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410 Results
410 Results 
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Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56296
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56294
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56293
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56292
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56291
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56290
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56289
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56288
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56287
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56286
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56285
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56284
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56283
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56282
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56281
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56280
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56279
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx51"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56278
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine

Used Ajax 6 1/2x8 EA-22 Pumpjack Engine 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 2,900 lbs (dry weight, engine only) • Dims 72"Lx46"Wx36"H

Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 4
  • 22 HP
  • 350-650 RPM
  • Stock No: 56277
22
350-650
Used Ajax DP-115 Natural Gas Engine
1 of 20
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 20
  • 115 HP
  • 200-360 RPM
  • Stock No: 56273
115
200-360

Power Zone offers a wide range of new, used and reconditioned engines including Diesel Engines, Natural Gas Engines, Gas Engines, Propane Engines, and Hit & Miss Engines, sometimes referred to as Putt & Putt Engines or Pumpjack Engines. We provide these engines from many different manufacturers including Caterpillar, MTU, Detroit, Cummins, John Deere Ajax and Arrow. We have engines for most applications including Portable Power Units, Heavy Machinery, Fluid Pumping, Air Compression and Backup Power for the municipal, manufacturing, oil & gas, mining and agriculture sectors.