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380 Results
380 Results 
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Used Waukesha 135 Natural Gas Engine
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Used Waukesha 135 Natural Gas Engine

Used inline 6 cylinder natural gas engine, has starter, carburetor, radiator, muffler, missing clutch, Flywheel & ignition DIMS: 74" L x 30 " W x 53" H Estimated Weight: 2000 lbs

Used Waukesha 135 Natural Gas Engine
1 of 2
  • 110 HP
  • 2000 RPM
  • Stock No: 54254
Used Waukesha 135 GZ Natural Gas Engine
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Used Waukesha 135 GZ Natural Gas Engine

Used inline 6 cylinder natural gas engine, has 11" twin disc clutch, altronic ignition, starter, radiator, muffler, carburetor DIMS: 74" L x 30 " W x 53" H Estimated Weight: 2000 lbs

Used Waukesha 135 GZ Natural Gas Engine
1 of 2
  • 110 HP
  • 2000 RPM
  • Stock No: 54255
Used Lufkin L-795 Natural Gas Engine
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Used Lufkin L-795 Natural Gas Engine

Used crank case stripped parts stored separately

Used Lufkin L-795 Natural Gas Engine
1 of 4
  • 78.3 HP
  • 600 RPM
  • Stock No: 54234
Used Lufkin H-795 Natural Gas Engine
1 of 1
Used Lufkin H-795 Natural Gas Engine

Used 7 1/2" x 9 piston for a Lufkin H-795

Used Lufkin H-795 Natural Gas Engine
1 of 1
  • Stock No: 54202
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
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Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine cylinder with following features: • 22 HP • 350-650 RPM • 1 Cylinder, 4 stroke • 165 mm (6.5 in) Bore • 203 mm (8 in) Stroke • 4.34 L (265 in3) Displacement • Weight • Dims

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
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  • 22 HP
  • 350-650 RPM
  • Stock No: 54190
Used Ajax 7 1/2x10 CMA Natural Gas Engine
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Used Ajax 7 1/2x10 CMA Natural Gas Engine

Used Ajax 7 1/2x10 CMA Pumpjack Engine cylinder with following features: • 30HP • 300-525 RPM • 1 Cylinder, 4 stroke • 190.5 mm (7.5 in) Bore • 254 mm (10.0 in) Stroke • 7.2 L (442 in3) Displacement • Weight • Dims

Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 2
  • 30 HP
  • 300-525 RPM
  • Stock No: 54186
Used Ajax 7 1/2x10 CMA Natural Gas Engine
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Used Ajax 7 1/2x10 CMA Natural Gas Engine

Used Ajax 7 1/2x10 CMA Pumpjack Engine cylinder with following features: • 30HP • 300-525 RPM • 1 Cylinder, 4 stroke • 190.5 mm (7.5 in) Bore • 254 mm (10.0 in) Stroke • 7.2 L (442 in3) Displacement • Weight • Dims

Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 2
  • 30 HP
  • 300-525 RPM
  • Stock No: 54192
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
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Used Ajax 7 1/4x8 EA-30 Natural Gas Engine

Used Ajax 7 1/4x8 EA-30 Pumpjack Engine cylinder with following features: • 30 HP • 350-650 RPM • 1 Cylinder, 4 stroke • 184 mm (7.25 in) Bore • 203 mm (10 in) Stroke • 5.41 L (330 in3) Displacement • Weight • Dims

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 2
  • 30 HP
  • 350-650 RPM
  • Stock No: 54193
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 2
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine

Used Ajax 7 1/4x8 EA-30 Pumpjack Engine cylinder with following features: • 30 HP • 350-650 RPM • 1 Cylinder, 4 stroke • 184 mm (7.25 in) Bore • 203 mm (10 in) Stroke • 5.41 L (330 in3) Displacement • Weight • Dims

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 2
  • 30 HP
  • 350-650 RPM
  • Stock No: 54194
Used Ajax DP-115 Natural Gas Engine
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Used Ajax DP-115 Natural Gas Engine

13 1/4'' x 16'' cylinder for a DP-115

Used Ajax DP-115 Natural Gas Engine
1 of 9
  • 115 HP
  • 200-360 RPM
  • Stock No: 54185
Used Ajax DP-165 Natural Gas Engine
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Used Ajax DP-165 Natural Gas Engine

15" x 16" cylinder for a DP-165, cylinder is a K-7201E

Used Ajax DP-165 Natural Gas Engine
1 of 2
  • 165 HP
  • Stock No: 54189
Used Oilwell E-20-RC Natural Gas Engine
1 of 4
Used Oilwell E-20-RC Natural Gas Engine

Used Oilwell E-20-RC Pumpjack engine with following features: • 20 HP • 750 RPM • 1 Cylinder, 4 stroke • 158.75 mm (6.25 in) Bore • 203.2 mm (8.0 in) Stroke • 4.01 L (245 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight 2,230 lbs (dry weight, engine only) • Dims

Used Oilwell E-20-RC Natural Gas Engine
1 of 4
  • 20 HP
  • 750 RPM
  • Stock No: 54182
Used Ajax DP-60 Natural Gas Engine Bare Case
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Used Ajax DP-60 Natural Gas Engine Bare Case

Ajax Bare Case

Used Ajax DP-60 Natural Gas Engine Bare Case
1 of 6
  • 60 HP
  • 200-475 RPM
  • Stock No: 54170
Used Ajax DP-115 Natural Gas Engine
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Used Ajax DP-115 Natural Gas Engine

Used Ajax DP-115 Pumpjack engine with following features: • 115 HP • 200/360 RPM • 1 Cylinder • 336.55 mm (13.25 in) Bore • 406.4 mm (16.0 in) Stroke • 36.14 L (2206 in3) Displacement • Naturally Aspirated • Weight • Dims

Used Ajax DP-115 Natural Gas Engine
1 of 3
  • 115 HP
  • 200-360 RPM
  • Stock No: 54145
Used Waukesha F-817 GU Natural Gas Engine
1 of 4
Used Waukesha F-817 GU Natural Gas Engine

Used Waukesha F-817 GU Natural Gas engine with following features: • 190 HP • 2000 RPM • Inline 6 Cylinder, 4 stroke • 137.0 mm (5.375 in) Bore • 152.0 mm (6.0 in) Stroke • 13.31 L (817 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • SAE #0 Flywheel housing • Electric or Pneumatic starting system • Weight 2,780 lbs (dry weight, engine only) • Dims

Used Waukesha F-817 GU Natural Gas Engine
1 of 4
  • 190 HP
  • 2000 RPM
  • Ratio: 9.0000
  • Stock No: 54125
Used Arrow Y-18 Natural Gas Engine
1 of 3
Used Arrow Y-18 Natural Gas Engine

Used Arrow Y-18 Pumpjack engine with following features: • 18 HP • 350/700 RPM • 1 Cylinder, 4 stroke • 2.8 L (173 in3) Displacement • Naturally Aspirated • Weight 1,455 lbs (dry weight, engine only) • Dims 51"Lx30"Wx47"H

Used Arrow Y-18 Natural Gas Engine
1 of 3
  • 18 HP
  • 350-700 RPM
  • Stock No: 54100
Used Kubota NRG 1600 Natural Gas Engine
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Used Kubota NRG 1600 Natural Gas Engine

Used Kubota NRG 1600 Pumpjack engine with following features: • 16 HP • 300/1100 RPM • 1 Cylinder, 4 stroke • 1.922 L (117.28 in3) Displacement • Naturally Aspirated • Weight (dry weight, engine only) • Dims 48"Lx43"Wx35"H

Used Kubota NRG 1600 Natural Gas Engine
1 of 2
  • 16 HP
  • 300-1100 RPM
  • Stock No: 54103
Used Ajax DP-300 Cylinder Natural Gas Engine
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Used Ajax DP-300 Cylinder Natural Gas Engine

15 x 16 cylinder core

Used Ajax DP-300 Cylinder Natural Gas Engine
1 of 3
  • 300 HP
  • Stock No: 54082