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Arrow A54CPU, (VR330 CF) Six Cylinder Natural Gas Prime Mover
New unit tested prior to delivery.
c.w. 1 year block and head warranty, 3 months on external components
This unit is the simpler version of the Arrow/Waukesha VRG 330• 72 HP @ 1800 RPM• 233 FT LBS Torque @ 1600 rpm peak• 298 FT LBS Torque @ 1600 rpm, intermittent
Engine is set up for Nat Gas, but can be configured for Propane use. Please advise at time of order.


This engine is specifically modified for Pumpjack Prime Mover duty and features:
Naturally Aspirated
Natural Gas/Propane - regulator not included
CD1 Altronic ignition
Air Filter Single Element Dry
Battery Charging System 12V
Removable Wet Liners
Oil Cooler
Oil Cooled Pistons
Front mount radiator with pusher fan
Standard industrial muffler c/w rain cap
Single plate over center clutch 
  - Heavy Duty version option available for added cost


Control Panel:
Engine gauges: Water temp, Oil pressure and Hour meter.
Engine shut-downs for high water temperature and low oil pressure - options for low coolant and oil levels.
Engine controls mounted for easy accessibility.
Cannon receptacle


Enclosure:
Skin tight, powder coat painted c/w removable doors (not shown)


Also included in quoted price:
Heavy duty battery c/w lockable battery box
Engine oil level sight glass
Extended height oil filler
Oil drain valve
Terminal strip for end-user connection
Winter front
Fluids and load test verified


Closed Power Unit:
Engine and radiator are mounted and aligned on a channel steel base suitable for lifting.
Also included:
- Oil and Anti-Freeze
- Oil Drain Valve
- Full Pre-Delivery Dynamometer Test.
Options available:
1. Single Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,395.-
2. Dual Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-
3. Dual Fuel Source 2 stage 10" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-

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Arrow A54CPU, (VR330 CF) Six Cylinder Natural Gas Prime Mover
New unit tested prior to delivery.
c.w. 1 year block and head warranty, 3 months on external components
This unit is the simpler version of the Arrow/Waukesha VRG 330• 72 HP @ 1800 RPM• 233 FT LBS Torque @ 1600 rpm peak• 298 FT LBS Torque @ 1600 rpm, intermittent
Engine is set up for Nat Gas, but can be configured for Propane use. Please advise at time of order.


This engine is specifically modified for Pumpjack Prime Mover duty and features:
Naturally Aspirated
Natural Gas/Propane - regulator not included
CD1 Altronic ignition
Air Filter Single Element Dry
Battery Charging System 12V
Removable Wet Liners
Oil Cooler
Oil Cooled Pistons
Front mount radiator with pusher fan
Standard industrial muffler c/w rain cap
Single plate over center clutch 
  - Heavy Duty version option available for added cost


Control Panel:
Engine gauges: Water temp, Oil pressure and Hour meter.
Engine shut-downs for high water temperature and low oil pressure - options for low coolant and oil levels.
Engine controls mounted for easy accessibility.
Cannon receptacle


Enclosure:
Skin tight, powder coat painted c/w removable doors (not shown)


Also included in quoted price:
Heavy duty battery c/w lockable battery box
Engine oil level sight glass
Extended height oil filler
Oil drain valve
Terminal strip for end-user connection
Winter front
Fluids and load test verified


Closed Power Unit:
Engine and radiator are mounted and aligned on a channel steel base suitable for lifting.
Also included:
- Oil and Anti-Freeze
- Oil Drain Valve
- Full Pre-Delivery Dynamometer Test.
Options available:
1. Single Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,395.-
2. Dual Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-
3. Dual Fuel Source 2 stage 10" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-

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Pumpjack Driver, typically used with big 320 or larger [pump jacks
Good for 43 HP @ 800 RPM, and 281 ft-lbs of torque.
Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10" Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Dyno-tested  • 1 year warranty on block and head, 90 days on external components • One of two unit built for OilPro and is in stock in Edmonton and Red Deer, Ab


Includes polyethylene flywheel guard featuring:
1. light weight, can be handled by one person
2. easy to remove for service by pulling 3 pins without need for tools
3. constantly protects field personnel
4. durable, all-temperature construction
5. Steel hinges for durable, long term service life.
6. accommodates both hand-crank and power starters
7. Bright yellow color reminds personnel of moving machinery under the cover
8. Protective cap to cover shaft easily installed after hand-start

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SALES DESCRIPTION
Arrow C-106 Re-manufactured,
Pumpjack Driver, typically used with big 320 or larger [pump jacks
Good for 43 HP @ 800 RPM, and 281 ft-lbs of torque.
Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10" Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Dyno-tested

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SALES DESCRIPTION
Arrow C-106 Re-manufactured,
Pumpjack Driver, typically used with big 320 or larger [pump jacks
Good for 43 HP @ 800 RPM, and 281 ft-lbs of torque.
Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10" Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Dyno-tested

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SALES DESCRIPTION
Arrow C-106 Re-manufactured,
Pumpjack Driver, typically used with big 320 or larger [pump jacks
Good for 43 HP @ 800 RPM, and 281 ft-lbs of torque.
Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10" Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Dyno-tested

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SALES DESCRIPTION
Arrow C-106 Re-manufactured,
Pumpjack Driver, typically used with big 320 or larger [pump jacks
Good for 43 HP @ 800 RPM, and 281 ft-lbs of torque.
Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10" Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Dyno-tested

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New Arrow C-46 Motor.
5-9 HP 81 ft-lbs of torque @ 450-800 rpm.


Unit includes: 
- 4 Cycle Natural Gas Engine
- 12 VDC Electric starter (Hand crank also provided)
- Impco Carburetor 
- Starfire 600 Electronic ignition 
- ShearerGuard; Front and Rear Flywheel Guard
- 10 inch Clutch 
- Oil Bath Air Cleaner
- Engine Base With Start Bracket
- new style crankcase breather 
- Full Flow Oil Filter
- Radalume Grommetized Pressure Condensing Cooling System
- Heavy Duty Plate Style 10" Clutch 
- Oil Level Gauge
- Safety Switches - Low Oil Pressure, Low Water Level
- Muffler
- Oil Bath Air Cleaner 
- Oil pump checked for tolerances 
- 1 year warranty on block and head, 90 days on external components 
- 6 month parts and labour warranty
- Ex-works Edmonton, AB
Also included:
- Oil and Anti-Freeze
- Oil Drain Valve
- Full Pre-Delivery Dynamometer Test.
Options available:
1. Single Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,395.-
2. Dual Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-
3. Dual Fuel Source 2 stage 10" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-


Background:
The Arrow Natural Gas Prime Mover C-Series industrial engine features an industrial grade wet sleeve design. 
The C-Series line of engines is popular both in gas compression and power generation, 
and is developed supported by Arrow Engine Company. Arrow provides its proven (50+ years), rugged, 
long-lasting oilfield engines for prime mover applications. 
Parts are readily available in Canada and the USA, and usually available from stock.
Arrow's wide acceptance in the petroleum industry makes repairs and parts availability better than any brand available.


Standard Arrow Engine Features:• Heavy steel fabricated sub-base 
. Full flow oil system with spin-on filter • A mounting pin for Arrow 990 • Portable starter added to sub-base • Bronze crankshaft gears for C-46 through C-106 • Arrow oil filler added to engine (ASP-1) • O-ring modified rocker shaft plugs • Reliable stainless steel braided oil lines • Ball rod ends standard on all Arrow engine models • Stainless steel water filler added as standard (ASP-3A) • Vibration-free cross braced radiator shells • Common muffler made standard on C-Series engines • Lifting eyes added to facilitate engine handling • Newly increased engine horsepower with the change to Impco 100 and 200 carburetors • All Arrow Engines are either electric 12-volt ring gear starting or blow down air-gas starting systems • Added instrument panel to house starter switch, cannon receptacle, oil pressure gauge and shut-down• Cylinder heads modified to accept Impco carburetors without using cross flange adapter • Improved ring gear starter mounting on new flywheel (eliminated separate ring gear carrier) • Added QD hub to flywheel for safety in de-mounting • Latest trochoidal oil pumps standard • Oil pressure bypass valve included in oil pump assembly • Wiring harness is used to improve weather resistance• Optional cover for Arrow electric starter motor available (prevents water from damaging starter motor) • Starfire ignition is standard (C.D.I. for long life) and operates in the rain • Redesigned breather system to improve crankcase ventilation and reduce emissions of crankcase vapors into the atmosphere (244BC) • Solderless pressure condensing radiators with steel top tanks, bottom headers and replaceable cores made standard on C-46 through C-106 - optional on C-255

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New Arrow C-66 Motor.
7-13 HP 137 ft-lbs of torque @ 350-700 rpm


Unit includes: 
- 4 Cycle Natural Gas Engine
- 12 VDC Electric starter (Hand crank also provided)
- Impco Carburetor 
- Starfire 600 Electronic ignition 
- ShearerGuard; Front and Rear Flywheel Guard
- 10 inch Clutch 
- Oil Bath Air Cleaner
- Engine Base With Start Bracket
- new style crankcase breather 
- Full Flow Oil Filter
- Radalume Grommetized Pressure Condensing Cooling System
- Heavy Duty Plate Style 10" Clutch 
- Oil Level Gauge
- Safety Switches - Low Oil Pressure, Low Water Level
- Muffler
- Oil Bath Air Cleaner 
- Oil pump checked for tolerances 
- 1 year warranty on block and head, 90 days on external components 
- 6 month parts and labour warranty
- Ex-works Edmonton, AB 


Also included:
- Oil and Anti-Freeze
- Oil Drain Valve
- Full Pre-Delivery Dynamometer Test.
Options available:
1. Single Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,395.-
2. Dual Fuel Source 2 stage 6" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-
3. Dual Fuel Source 2 stage 10" Volume tank c.w. Fisher Regulator, Relief Valve and hose $ 1,995.-


Background:
The Arrow Natural Gas Prime Mover C-Series industrial engine features an industrial grade wet sleeve design. 
The C-Series line of engines is popular both in gas compression and power generation, and is developed supported by Arrow Engine Company. Arrow provides its proven (50+ years), rugged, long-lasting oilfield engines for prime mover applications. 
Parts are readily available in Canada and the USA, and usually available from stock.
Arrow's wide acceptance in the petroleum industry makes repairs and parts availability better than any brand available.


Standard Arrow Engine Features:• Heavy steel fabricated sub-base • Full flow oil system with spin-on filter • A mounting pin for Arrow 990 • Portable starter added to sub-base • Bronze crankshaft gears for C-46 through C-106 • Arrow oil filler added to engine (ASP-1) • O-ring modified rocker shaft plugs • Reliable stainless steel braided oil lines • Ball rod ends standard on all Arrow engine models • Stainless steel water filler added as standard (ASP-3A) • Vibration-free cross braced radiator shells • Common muffler made standard on C-Series engines • Lifting eyes added to facilitate engine handling • Newly increased engine horsepower with the change to Impco 100 and 200 carburetors • All Arrow Engines are either electric 12-volt ring gear starting or blow down air-gas starting systems • Added instrument panel to house starter switch, cannon receptacle, oil pressure gauge and shut-down• Cylinder heads modified to accept Impco carburetors without using cross flange adapter • Improved ring gear starter mounting on new flywheel (eliminated separate ring gear carrier) • Added QD hub to flywheel for safety in de-mounting • Latest trochoidal oil pumps standard • Oil pressure bypass valve included in oil pump assembly • Wiring harness is used to improve weather resistance• Optional cover for Arrow electric starter motor available (prevents water from damaging starter motor) • Starfire ignition is standard (C.D.I. for long life) and operates in the rain • Redesigned breather system to improve crankcase ventilation and reduce emissions of crankcase vapors into the atmosphere (244BC) • Solderless pressure condensing radiators with steel top tanks, bottom headers and replaceable cores made standard on C-46 through C-106 - optional on C-255

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Remanufactured Arrow C-66 Motor.
Good for 19 HP, and 137 ft-lbs of torque.

Unit includes:
• Electric starter
• Impco Carburetor
• Starfire Electronic ignition
• flywheel guard
• 10 inch Clutch
• remote filter
• new oil lines
• new style crankcase breather
• painted and detailed
• new style muffler
• Rebuilt head
• Dyno-tested
• Worn liner replaced, good liners honed, rings and liner seals replaced
• bottom end checked for tolerances
• shafts magnetic-particle tested
• Oil pump checked for tolerances
• All OilPro Remanufactured Engines c.w.
• 1 year warranty on block and head, 90 days on external components
• 6 month parts and labour warranty
• f.o.b. Edmonton, AB

Background:
The Arrow Natural Gas Prime Mover C-Series industrial engine features an industrial grade wet sleeve design.
The C-Series line of engines is popular both in gas compression and power generation, and is developed supported by Arrow Engine Company. Arrow provides its proven (50+ years), rugged, long-lasting oilfield engines for prime mover applications.
Parts are readily available in Canada and the USA, and usually available from stock.
Arrow's wide acceptance in the petroleum industry makes repairs and parts availability better than any brand available.

Standard Arrow Engine Features:
• Heavy steel fabricated sub-base
• Full flow oil system with spin-on filter
• A mounting pin for Arrow 990
• Portable starter added to sub-base
• Bronze crankshaft gears for C-46 through C-106
• Arrow oil filler added to engine (ASP-1)
• O-ring modified rocker shaft plugs
• Reliable stainless steel braided oil lines
• Ball rod ends standard on all Arrow engine models
• Stainless steel water filler added as standard (ASP-3A)
• Vibration-free cross braced radiator shells
• Common muffler made standard on C-Series engines
• Lifting eyes added to facilitate engine handling
• Newly increased engine horsepower with the change to Impco 100 and 200 carburetors
• All Arrow Engines are either electric 12-volt ring gear starting or blow down air-gas starting systems
• Added instrument panel to house starter switch, cannon receptacle, oil pressure gauge and shut-down
• Cylinder heads modified to accept Impco carburetors without using cross flange adapter
• Improved ring gear starter mounting on new flywheel (eliminated separate ring gear carrier)
• Added QD hub to flywheel for safety in de-mounting
• Latest trochoidal oil pumps standard
• Oil pressure bypass valve included in oil pump assembly
• Wiring harness is used to improve weather resistance
• Optional cover for Arrow electric starter motor available (prevents water from damaging starter motor)
• Starfire ignition is standard (C.D.I. for long life) and operates in the rain
• Redesigned breather system to improve crankcase ventilation and reduce emissions of crankcase vapors into the atmosphere (244BC)
• Solderless pressure condensing radiators with steel top tanks, bottom headers and replaceable cores made standard on C-46 through C-106 - optional on C-255

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Good for 137 ft-lbs of torque. Unit includes: • Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 10 inch Clutch • remote filter • new oil lines • new style crankcase breather • painted and detailed • new style muffler • Rebuilt head • Dyno-tested • Worn liner replaced, good liners honed, rings and liner seals replaced • bottom end checked for tolerances • shafts magnetic-particle tested • Oil pump checked for tolerances • 1 year warranty on block and head, 90 days on external components 
• Remanufactured unit• c.w. 6 month parts and labour warranty• f.o.b. Edmonton, AB


Background:
The Arrow Natural Gas Prime Mover C-Series industrial engine features an industrial grade wet sleeve design. 
The C-Series line of engines is popular both in gas compression and power generation, and is developed supported by Arrow Engine Company. Arrow provides its proven (50+ years), rugged, long-lasting oilfield engines for prime mover applications. 
Parts are readily available in Canada and the USA, and usually available from stock.
Arrow's wide acceptance in the petroleum industry makes repairs and parts availability better than any brand available.


Standard Arrow Engine Features:• Heavy steel fabricated sub-base • Full flow oil system with spin-on filter • A mounting pin for Arrow 990 • Portable starter added to sub-base • Bronze crankshaft gears for C-46 through C-106 • Arrow oil filler added to engine (ASP-1) • O-ring modified rocker shaft plugs • Reliable stainless steel braided oil lines • Ball rod ends standard on all Arrow engine models • Stainless steel water filler added as standard (ASP-3A) • Vibration-free cross braced radiator shells • Common muffler made standard on C-Series engines • Lifting eyes added to facilitate engine handling • Newly increased engine horsepower with the change to Impco 100 and 200 carburetors • All Arrow Engines are either electric 12-volt ring gear starting or blow down air-gas starting systems • Added instrument panel to house starter switch, cannon receptacle, oil pressure gauge and shut-down• Cylinder heads modified to accept Impco carburetors without using cross flange adapter • Improved ring gear starter mounting on new flywheel (eliminated separate ring gear carrier) • Added QD hub to flywheel for safety in de-mounting • Latest trochoidal oil pumps standard • Oil pressure bypass valve included in oil pump assembly • Wiring harness is used to improve weather resistance• Optional cover for Arrow electric starter motor available (prevents water from damaging starter motor) • Starfire ignition is standard (C.D.I. for long life) and operates in the rain • Redesigned breather system to improve crankcase ventilation and reduce emissions of crankcase vapors into the atmosphere (244BC) • Solderless pressure condensing radiators with steel top tanks, bottom headers and replaceable cores made standard on C-46 through C-106 - optional on C-255 

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Remanufactured Arrow C-66 Motor.
Good for 19 HP, and 137 ft-lbs of torque.

Unit includes: 
• Electric starter 
• Impco Carburetor 
• Starfire Electronic ignition 
• flywheel guard 
• 10 inch Clutch 
• remote filter 
• new oil lines 
• new style crankcase breather 
• painted and detailed 
• new style muffler 
• Rebuilt head 
• Dyno-tested 
• Worn liner replaced, good liners honed, rings and liner seals replaced 
• bottom end checked for tolerances 
• shafts magnetic-particle tested 
• Oil pump checked for tolerances 
• All OilPro Remanufactured Engines c.w.
• 1 year warranty on block and head, 90 days on external components 
• 6 month parts and labour warranty
• f.o.b. Edmonton, AB

Background:
The Arrow Natural Gas Prime Mover C-Series industrial engine features an industrial grade wet sleeve design. 
The C-Series line of engines is popular both in gas compression and power generation, and is developed supported by Arrow Engine Company. Arrow provides its proven (50+ years), rugged, long-lasting oilfield engines for prime mover applications. 
Parts are readily available in Canada and the USA, and usually available from stock.
Arrow's wide acceptance in the petroleum industry makes repairs and parts availability better than any brand available.

Standard Arrow Engine Features:
• Heavy steel fabricated sub-base 
• Full flow oil system with spin-on filter 
• A mounting pin for Arrow 990 
• Portable starter added to sub-base 
• Bronze crankshaft gears for C-46 through C-106 
• Arrow oil filler added to engine (ASP-1) 
• O-ring modified rocker shaft plugs 
• Reliable stainless steel braided oil lines 
• Ball rod ends standard on all Arrow engine models 
• Stainless steel water filler added as standard (ASP-3A) 
• Vibration-free cross braced radiator shells 
• Common muffler made standard on C-Series engines 
• Lifting eyes added to facilitate engine handling 
• Newly increased engine horsepower with the change to Impco 100 and 200 carburetors 
• All Arrow Engines are either electric 12-volt ring gear starting or blow down air-gas starting systems 
• Added instrument panel to house starter switch, cannon receptacle, oil pressure gauge and shut-down
• Cylinder heads modified to accept Impco carburetors without using cross flange adapter 
• Improved ring gear starter mounting on new flywheel (eliminated separate ring gear carrier) 
• Added QD hub to flywheel for safety in de-mounting 
• Latest trochoidal oil pumps standard 
• Oil pressure bypass valve included in oil pump assembly 
• Wiring harness is used to improve weather resistance
• Optional cover for Arrow electric starter motor available (prevents water from damaging starter motor) 
• Starfire ignition is standard (C.D.I. for long life) and operates in the rain 
• Redesigned breather system to improve crankcase ventilation and reduce emissions of crankcase vapors into the atmosphere (244BC) 
• Solderless pressure condensing radiators with steel top tanks, bottom headers and replaceable cores made standard on C-46 through C-106 - optional on C-255

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Engine specifications and features:• 11-27 HP, Rated for 24.3 HP continuous duty (18.1KW)• Good for 225 ft-lbs of torque• 300-600 RPM• Electric starter • Impco Carburetor • Starfire Electronic ignition • flywheel guard • 12 Volt Ring Gear Start• remote filter • new style crankcase breather • painted and detailed • new style muffler• 1 year warranty on block and head, 90 days on external components• Unit weighs 2,580 Lbs• 327 Cu. inch displacement• 4.8:1 Compression ratio• 2-1/4" PTO shaft size• 11 Qt oil capacity• 18 MM spark plug• 2 Qt water capacity• 2-1/2" exhaust connection• 1/2" Fuel gas pipe size.• Full pressure lubrication• Replacable full flow filter• 10" C110-HP3 clutch• Operations, maintenance and troubleshooting manual included with each purchase• Unit is built for OilPro and carries full Arrow-backed warranty on parts and labour.


Includes polyethylene flywheel guard:
1. light weight, can be handled by one person
2. easy to remove for service by pulling 3 pins without need for tools
3. constantly protects field personnel
4. durable, all-temperature construction
5. Steel hinges for durable, long term service life.
6. accommodates both hand-crank and power starters
7. Bright yellow color reminds personnel of moving machinery under the cover
8. Protective cap to cover shaft easily installed after hand-start
Advantages : Continuous Duty
Arrow engines are designed for continuous duty 24 hours a day, day after day. Arrow's heavy duty design features a heavy flywheel, a governor speed control, and a pressurized full flow lubrication system to assure continuous operation. 
Oilfield Tough
Over 75,000 Arrow engines are powering pumping jacks in oilfields all over the world. Many of the original engines built in the 1940's are still running today.
Gas Fueled
Arrow engines run on a variety of low BTU gases; natural gas, wellhead gas, methane, butane or propane. The single cylinder Arrow engines can also be equipped with a fuel lift pump and will operate on gasoline. 
Economical Operation
Studies performed show operating costs for Arrow engines can be as low as half the cost for equivalent HP electric motors. Since every area is different, a detailed comparison specific to your costs is warranted.
Easy Maintenance
Arrow engines are designed for easy, quick field maintenance. The oil level can be checked and adjusted while the engine is running. Easy access enables replacing piston rings and wet cylinder sleeves in the field, and Arrow parts are interchangeable from the first model made. 
Ignition
Starfire Solid State Ignition Systems are standard for Single Cylinder engines.
Arrow Improvements:
Improvements to the Heavy-Duty C-Series Engines since May 1977 (most all are retrofitable to earlier models using current kits):• Heavy steel fabricated sub-base • Full flow oil system with spin-on filter • Portable starter added to sub-base • Bronze crankshaft gears for C-46 through C-106 • Arrow oil filler added to engine (ASP-1) • O-ring modified rocker shaft plugs • Reliable stainless steel braided oil lines • Ball rod ends standard on all Arrow engine models • Stainless steel water filler added as standard (ASP-3A) • Vibration-free cross braced radiator shells • Common muffler made standard on C-Series engines • Lifting eyes added to facilitate engine handling • Newly increased engine horsepower with Impco 100 and 200 carburetors • All Arrow Engines are either electric 12-volt ring gear starting• Instrument panel for starter switch, receptacle, oil pressure gauge and shut down • Cylinder head accepts Impco carburetors without using cross flange adapter • Improved ring gear starter mounting on new flywheel • Added QD hub to flywheel for safety in de-mounting • Latest trochoidal oil pumps standard • Oil pressure bypass valve included in oil pump assembly • Optional renewable oil filter available • A wiring harness is used to combat weather hazards • Starfire ignition is standard (C.D.I. for long life) and operates in the rain • Redesigned breather system to improve crankcase ventilation and reduce emissions • Solderless pressure condensing radiators with steel top tanks, bottom headers 
These engines are made in such a way that you can count on us buying it back from you as a core when you're done with it!
Typical fuel usage: Why are Arrow single cylinder engines so fuel efficient?
On oilwell pumping applications multi cylinder engines suffer a great disadvantage because they cannot be applied at, or even near, their full load power. Neither can multi cylinder engines be operated at a uniform rate of speed due to a lack of flywheel inertia. Hence the Arrow engines, properly applied, can always attain much better fuel economy than multi-cylinder engines on oilwell pumping. Usually this fuel savings is 40%.
This means Arrow engines will not only do a better job on oil well pumping units than multi-cylinder engines, but will use less fuel also.
Example:
A C-96 running around the clock at 570 RPM, using refinery natural gas for fuel requires approx. 200,000 BTU/hr. Refinery natural gas is approx. 1100 BTU/cu.ft. so:
200,000/1100 = 181.81 cu.ft/hr or: 181.81 x 24 = 4363.44 cu.ft per 24 hr day
However, an engine producing less than maximum HP for a give RPM will use slightly less fuel. A C-96 produces approx. 19 HP @ 570 RPM So: if your HP requirement is 14.25 HP, the C-96 is producing 75% of max. HP arrived at by way of 14.25/19=75%
This means that a C96 @ 75% load uses 10.5 cu.ft of 1100 BTU gas per HP hr or 149.6 cu. ft per hr (10.5 x 14.25 = 149.6 cu.ft/hr or 3591 cu. ft per 24 hrs.

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Engine specifications and features:
· 11-27 HP, Rated for 24.3 HP continuous duty (18.1KW)
· Good for 225 ft-lbs of torque
· 300-600 RPM
· Electric starter 
· Impco Carburetor 
· Starfire Electronic ignition 
· flywheel guard 
· 12 Volt Ring Gear Start
· remote filter 
· new style crankcase breather 
· painted and detailed 
· new style muffler
· 1 year warranty on block and head, 90 days on external components
· Unit weighs 2,580 Lbs
· 327 Cu. inch displacement
· 4.8:1 Compression ratio
· 2-1/4" PTO shaft size
· 11 Qt oil capacity
· 18 MM spark plug
· 2 Qt water capacity
· 2-1/2" exhaust connection
· 1/2" Fuel gas pipe size.
· Full pressure lubrication
· Replacable full flow filter
· 10" C110-HP3 clutch
· Operations, maintenance and troubleshooting manual included with each purchase
· Unit is built for OilPro and carries full Arrow-backed warranty on parts and labour.


Includes polyethylene flywheel guard:
1. light weight, can be handled by one person
2. easy to remove for service by pulling 3 pins without need for tools
3. constantly protects field personnel
4. durable, all-temperature construction
5. Steel hinges for durable, long term service life.
6. accommodates both hand-crank and power starters
7. Bright yellow color reminds personnel of moving machinery under the cover
8. Protective cap to cover shaft easily installed after hand-start
Advantages : Continuous Duty
Arrow engines are designed for continuous duty 24 hours a day, day after day. Arrow's heavy duty design features a heavy flywheel, a governor speed control, and a pressurized full flow lubrication system to assure continuous operation. 
Oilfield Tough
Over 75,000 Arrow engines are powering pumping jacks in oilfields all over the world. Many of the original engines built in the 1940's are still running today.
Gas Fueled
Arrow engines run on a variety of low BTU gases; natural gas, wellhead gas, methane, butane or propane. The single cylinder Arrow engines can also be equipped with a fuel lift pump and will operate on gasoline. 
Economical Operation
Studies performed show operating costs for Arrow engines can be as low as half the cost for equivalent HP electric motors. Since every area is different, a detailed comparison specific to your costs is warranted.
Easy Maintenance
Arrow engines are designed for easy, quick field maintenance. The oil level can be checked and adjusted while the engine is running. Easy access enables replacing piston rings and wet cylinder sleeves in the field, and Arrow parts are interchangeable from the first model made. 
Ignition
Starfire Solid State Ignition Systems are standard for Single Cylinder engines.
Arrow Improvements:
Improvements to the Heavy-Duty C-Series Engines since May 1977 (most all are retrofitable to earlier models using current kits):
· Heavy steel fabricated sub-base 
· Full flow oil system with spin-on filter 
· Portable starter added to sub-base 
· Bronze crankshaft gears for C-46 through C-106 
· Arrow oil filler added to engine (ASP-1) 
· O-ring modified rocker shaft plugs 
· Reliable stainless steel braided oil lines 
· Ball rod ends standard on all Arrow engine models 
· Stainless steel water filler added as standard (ASP-3A) 
· Vibration-free cross braced radiator shells 
· Common muffler made standard on C-Series engines 
· Lifting eyes added to facilitate engine handling 
· Newly increased engine horsepower with Impco 100 and 200 carburetors 
· All Arrow Engines are either electric 12-volt ring gear starting
· Instrument panel for starter switch, receptacle, oil pressure gauge and shut down 
· Cylinder head accepts Impco carburetors without using cross flange adapter 
· Improved ring gear starter mounting on new flywheel 
· Added QD hub to flywheel for safety in de-mounting 
· Latest trochoidal oil pumps standard 
· Oil pressure bypass valve included in oil pump assembly 
· Optional renewable oil filter available 
· A wiring harness is used to combat weather hazards 
· Starfire ignition is standard (C.D.I. for long life) and operates in the rain 
· Redesigned breather system to improve crankcase ventilation and reduce emissions 
· Solderless pressure condensing radiators with steel top tanks, bottom headers 
These engines are made in such a way that you can count on us buying it back from you as a core when you're done with it!
Typical fuel usage: Why are Arrow single cylinder engines so fuel efficient?
On oilwell pumping applications multi cylinder engines suffer a great disadvantage because they cannot be applied at, or even near, their full load power. Neither can multi cylinder engines be operated at a uniform rate of speed due to a lack of flywheel inertia. Hence the Arrow engines, properly applied, can always attain much better fuel economy than multi-cylinder engines on oilwell pumping. Usually this fuel savings is 40%.
This means Arrow engines will not only do a better job on oil well pumping units than multi-cylinder engines, but will use less fuel also.
Example:
A C-96 running around the clock at 570 RPM, using refinery natural gas for fuel requires approx. 200,000 BTU/hr. Refinery natural gas is approx. 1100 BTU/cu.ft. so:
200,000/1100 = 181.81 cu.ft/hr or: 181.81 x 24 = 4363.44 cu.ft per 24 hr day
However, an engine producing less than maximum HP for a give RPM will use slightly less fuel. A C-96 produces approx. 19 HP @ 570 RPM So: if your HP requirement is 14.25 HP, the C-96 is producing 75% of max. HP arrived at by way of 14.25/19=75%
This means that a C96 @ 75% load uses 10.5 cu.ft of 1100 BTU gas per HP hr or 149.6 cu. ft per hr (10.5 x 14.25 = 149.6 cu.ft/hr or 3591 cu. ft per 24 hrs.

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Natural Gas, Two Stage Volume Tanks, Model OP-DVT-b for:• Propane or Casing Gas, complete with 1st stage free water knockout & 2nd Stage volume tank
Features:• Maximum recommended inlet pressure 12 psig• Inlet 1" FMPT• PRV: 3/4" @ 15 psig• Base: 3/8" x 12" x 18'• FWKO: 4" x 36" SCH 10, MAWP 15 psig, includes HLSD valve 1/2" x 2-1/2", 0-15 psig pressure indicator• Regulator: 1/4" @ 8" water column• Volume Tank: 6" x 26" SCH 10, MAWP 15 psig, 1/2" x 2-1/2" 0-15 psig pressure indicator, 0.75 cu.ft capacity• Drains: 1/2" 600# WOG ball valves• Hose: 3/4" x 10' 1000# braided• End connection: 3/4" JIC x 1/2" MNPT


We also offer the following regulators with these packages as options:
(depending on your casing pressure, one or two of these may be required)
pressure regulator, Wellmark Model 2002 PR: Price ea: $450.00


Why Use a dual stage volume bottle?
1. Use it as an accumulator to dampen fuel supply pressure fluctuations to the engine created by variance in demand. 
2. Protects gas regulator from shimmering
3. acts as a propane expansion tank
4. acts as a natural gas scrubber


Application:
Propane or Casing Gas• 1st stage: Free Water Knockout• 2nd stage: Volume Tank
MAWP: • 15 psig. (non-code vessel)
Inlet/Outlet: • 1" NPT.
Max Inlet Pressure: • 12 psig
Regulator Output Pressures:• 4-1/2" - 6" W.C.• 5-1/2" - 8" W.C.• 8" - 13" W.C. (This is our default standard, unless you specify otherwise)
Hose:• 1" x 10' c.w. 1/2" J.I.C. Connector

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