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380 Results
380 Results 
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Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
  • 42 HP
  • 300-525 RPM
  • Stock No: 54075
Used Ajax WL/EA-15 Natural Gas Engine
1 of 4
Used Ajax WL/EA-15 Natural Gas Engine

Used Ajax WL/EA-15 Pumpjack Engine with following features: • 15 HP • 350-650 RPM • 1 Cylinder, 4 stroke • 127 mm (5.0 in) Bore • 165.1mm (6.5 in) Stroke • 2.09 L (128 in3) Displacement • Weight 2,950 (dry weight, engine only) • Dims

Used Ajax WL/EA-15 Natural Gas Engine
1 of 4
  • 15 HP
  • 350-650 RPM
  • Stock No: 54052
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
  • 42 HP
  • 300-525 RPM
  • Stock No: 54028
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 4
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 4
  • 42 HP
  • 300-525 RPM
  • Stock No: 54029
Used Ajax WL/EA-15 Natural Gas Engine
1 of 6
Used Ajax WL/EA-15 Natural Gas Engine

Used Ajax WL/EA-15 Pumpjack Engine with following features: • 15 HP • 350-650 RPM • 1 Cylinder, 4 stroke • 127 mm (5.0 in) Bore • 165.1mm (6.5 in) Stroke • 2.09 L (128 in3) Displacement • Weight 2,950 (dry weight, engine only) • Dims 58"Lx44"Wx39"H

Used Ajax WL/EA-15 Natural Gas Engine
1 of 6
  • 15 HP
  • 350-650 RPM
  • Stock No: 53975
Used Chevy 4.3 V-6 Natural Gas Engine
1 of 3
Used Chevy 4.3 V-6 Natural Gas Engine

Used Chevy 4.3 V-6 Natural Gas engine radiator through flywheel with following features: • 164 HP • 4000 RPM • V-6 Cylinder, 4 stroke • 101.6 mm (4.0 in) Bore • 88.39 mm (3.48 in) Stroke • 4.3 L (262 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight 431 lbs (dry weight, engine only) • Dims (26”L x 21”W x 27” H)

Used Chevy 4.3 V-6 Natural Gas Engine
1 of 3
  • 164 HP
  • 4000 RPM
  • Ratio: 9.4000
  • Stock No: 53891
Used Chevy 4.3 V-6 Natural Gas Engine
1 of 7
Used Chevy 4.3 V-6 Natural Gas Engine

Used Chevy 4.3 V-6 Natural Gas engine radiator through flywheel with following features: • 164 HP • 4000 RPM • V-6 Cylinder, 4 stroke • 101.6 mm (4.0 in) Bore • 88.39 mm (3.48 in) Stroke • 4.3 L (262 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight 1020 lbs • Dims 57”L x 48”W x 70” H

Used Chevy 4.3 V-6 Natural Gas Engine
1 of 7
  • 164 HP
  • 4000 RPM
  • Ratio: 9.4000
  • Stock No: 53894
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 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 2,950 (dry weight, engine only) • Dims 72"Lx46"Wx55"H

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 2
  • 30 HP
  • 350-650 RPM
  • Stock No: 53826
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 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 2,950 (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 2
  • 30 HP
  • 350-650 RPM
  • Stock No: 53834
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 5
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 5
  • 42 HP
  • 300-525 RPM
  • Stock No: 53836
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 3
  • 42 HP
  • 300-525 RPM
  • Stock No: 53837
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 2
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 2
  • 42 HP
  • 300-525 RPM
  • Stock No: 53774
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 6
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 6
  • 42 HP
  • 300-525 RPM
  • Stock No: 53775
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 6
Used Ajax 8 1/2x10 E-42 Natural Gas Engine

Used Ajax 8 1/2x10 E-42 Pumpjack Engine with following features: • 42 HP • 300-525 RPM • 1 Cylinder, 4 stroke • 216 mm (8.5 in) Bore • 254 mm (10 in) Stroke • 9.29 L (567 in3) Displacement • Weight 4,320 lbs (dry weight, engine only) • Dims

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 6
  • 42 HP
  • 300-525 RPM
  • Stock No: 53779
Used Kubota NRG 1600 Natural Gas Engine
1 of 2
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 • Dims 48"Lx43"Wx35"H

Used Kubota NRG 1600 Natural Gas Engine
1 of 2
  • 16 HP
  • 300-1100 RPM
  • Stock No: 53746
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 3
Used Ajax 7 1/2x10 CMA Natural Gas Engine

Used Ajax 7 1/2x10 CMA Pumpjack Engine 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 94"Lx57"Wx46"H

Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 3
  • 30 HP
  • 300-525 RPM
  • Stock No: 53731
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 3
Used Ajax 7 1/2x10 CMA Natural Gas Engine

Used Ajax 7 1/2x10 CMA Pumpjack Engine 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 3
  • 30 HP
  • 300-525 RPM
  • Stock No: 53732
Used Chrysler 225 Natural Gas Engine
1 of 2
Used Chrysler 225 Natural Gas Engine

Used Chrysler 225 Natural Gas engine radiator through flywheel with following features: • 225 HP • 4000 RPM • V-8 Cylinder, 4 stroke • 99.314 mm (3.91 in) Bore • 84.074 mm (3.31 in) Stroke • 5.2 L (318 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight (dry weight, engine only) • Dims

Used Chrysler 225 Natural Gas Engine
1 of 2
  • 225 HP
  • 4000 RPM
  • Ratio: 8.5000
  • Stock No: 53463
Used Chrysler 225 Natural Gas Engine
1 of 2
Used Chrysler 225 Natural Gas Engine

Used Chrysler 225 Natural Gas engine radiator through flywheel with following features: • 225 HP • 4000 RPM • V-8 Cylinder, 4 stroke • 99.314 mm (3.91 in) Bore • 84.074 mm (3.31 in) Stroke • 5.2 L (318 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight (dry weight, engine only) • Dims

Used Chrysler 225 Natural Gas Engine
1 of 2
  • 225 HP
  • 4000 RPM
  • Ratio: 8.5000
  • Stock No: 53464
Used Lufkin L-333 Natural Gas Engine
1 of 2
Used Lufkin L-333 Natural Gas Engine

Used Lufkin L-333 Pumpjack engine with following features: • 30 HP • 350-750 RPM • 2 Cylinder, 2 cycle • 127.0 mm (5.5 in) Bore • 158.75 mm (7 in) Stroke • 5.4 L (123 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight (dry weight, engine only) • Dims

Used Lufkin L-333 Natural Gas Engine
1 of 2
  • 30 HP
  • 350/750 RPM
  • Stock No: 53462