Ajax Engines For Sale | Power Zone

tune Filters

Items per page: 20

PLEASE NOTE: Keep an eye out for a verification email (check your junk or spam). When you see the email, be sure the click on the link to verify your email address.

181 Results
181 Results 
Item Brand, Model{{search.sorting.directionIcon('item-brand-model')}}
HP{{search.sorting.directionIcon('hp')}}
RPM{{search.sorting.directionIcon('rpm')}}
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
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 10
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 10
  • 42 HP
  • 300-525 RPM
  • Stock No: 55699
42
300-525
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: 55415
42
300-525
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 4
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 4
  • 30 HP
  • 300-525 RPM
  • Stock No: 55309
30
300-525
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: 55305
42
300-525
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: 55306
42
300-525
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: 55307
42
300-525
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: 55308
42
300-525
Used Ajax DP-115 Natural Gas Engine
1 of 6
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 6
  • 115 HP
  • 200-360 RPM
  • Stock No: 55247
115
200-360
Used Ajax DP-160 Natural Gas Engine
1 of 13
Used Ajax DP-160 Natural Gas Engine

Used Ajax DP-160 Pumpjack engine with following features: • 160 HP • 200/400 RPM • 2 Cylinder • 279.4 mm (11.0 in) Bore • 355.6 mm (14.0 in) Stroke • 21.79 L (1330 in3) Displacement • Naturally Aspirated • Weight • Dims

Used Ajax DP-160 Natural Gas Engine
1 of 13
  • 160 HP
  • 200-400 RPM
  • Stock No: 55246
160
200-400
Used Ajax 8 1/2x10 CMA Natural Gas Engine
1 of 12
Used Ajax 8 1/2x10 CMA Natural Gas Engine

Used Ajax 8 1/2x10 CMA 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 88"L x 60"W x 58"H

Used Ajax 8 1/2x10 CMA Natural Gas Engine
1 of 12
  • 42 HP
  • 300-525 RPM
  • Stock No: 55220
42
300-525
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 13
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 88"L x 60"W x 58"H

Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 13
  • 42 HP
  • 300-525 RPM
  • Stock No: 55219
42
300-525
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 4
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 4
  • 30 HP
  • 300-525 RPM
  • Stock No: 55202
30
300-525
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine Bare Case
1 of 7
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine Bare Case

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 Bare Case
1 of 7
  • 22 HP
  • 350-650 RPM
  • Stock No: 54950
22
350-650
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: 54764
42
300-525
Used Ajax 8 1/2x10 E-42 Natural Gas Engine Bare Case
1 of 5
Used Ajax 8 1/2x10 E-42 Natural Gas Engine Bare Case

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 Bare Case
1 of 5
  • 42 HP
  • 300-525 RPM
  • Stock No: 54758
42
300-525

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.