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180 Results
180 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: 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 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 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 Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 3
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

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 3
  • 30 HP
  • 350-650 RPM
  • Stock No: 53218
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 12
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 12
  • 30 HP
  • 300-525 RPM
  • Stock No: 53150
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 4
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 4
  • 30 HP
  • 350-650 RPM
  • Stock No: 53147
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 1
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 1
  • 42 HP
  • 300-525 RPM
  • Stock No: 53148
Used Ajax parts & pieces Natural Gas Engine

8.5 cylinder, 7.25 cylinder, 7.5 cylinder, 8.5x10 clutch & inner FW, 8.5 x 10 clutch - 7.25 x 8 carcass serial number 48937, 8.5 x 10 block serial number 51874, 7.5 x 10 block with cylinder, 7.5 x 10 carcass serial number 49837

  • Stock No: 53151
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 5
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

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 5
  • 30 HP
  • 350-650 RPM
  • Stock No: 52969
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 4
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

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 4
  • 30 HP
  • 350-650 RPM
  • Stock No: 52972
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 4
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 4
  • 30 HP
  • 350-650 RPM
  • Stock No: 52831