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410 Results
410 Results 
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Used Waukesha 135 Natural Gas Engine
1 of 2
Used Waukesha 135 Natural Gas Engine

Used inline 6 cylinder natural gas engine, has 11" twin disc clutch, altronic ignition, radiator, starter, carburetor, muffler 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: 54253
110
2000
Used Waukesha 135 Natural Gas Engine
1 of 2
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
110
2000
Used Waukesha 135 Natural Gas Engine
1 of 2
Used Waukesha 135 Natural Gas Engine

Used inline 6 cylinder natural gas engine, has 11" twin disc clutch, starter, carburetor, radiator, altronic ignition, muffler 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: 54256
110
2000
Used Waukesha 135 Natural Gas Engine
1 of 1
Used Waukesha 135 Natural Gas Engine

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

Used Waukesha 135 Natural Gas Engine
1 of 1
  • 110 HP
  • 2000 RPM
  • Stock No: 54249
110
2000
Used Waukesha 135 Natural Gas Engine
1 of 1
Used Waukesha 135 Natural Gas Engine

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

Used Waukesha 135 Natural Gas Engine
1 of 1
  • 110 HP
  • 2000 RPM
  • Stock No: 54250
110
2000
Used Waukesha 135 GZ Natural Gas Engine
1 of 2
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
110
2000
Used Waukesha 135 GZU Natural Gas Engine
1 of 4
Used Waukesha 135 GZU Natural Gas Engine

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

Used Waukesha 135 GZU Natural Gas Engine
1 of 4
  • 110 HP
  • 2000 RPM
  • Stock No: 54246
110
2000
Used Lufkin L-795 Natural Gas Engine
1 of 4
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
78.3
600
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
1 of 2
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
1 of 2
  • 22 HP
  • 350-650 RPM
  • Stock No: 54190
22
350-650
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 2
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
30
300-525
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 2
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
30
300-525
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: 54193
30
350-650
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
30
350-650
Used Ajax DP-115 Natural Gas Engine
1 of 9
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
115
200-360
Used Ajax DP-115 Natural Gas Engine
1 of 7
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 7
  • 115 HP
  • 200-360 RPM
  • Stock No: 54191
115
200-360
Used Ajax DP-165 Natural Gas Engine
1 of 2
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
165
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
20
750
Used Ajax DP-60 Natural Gas Engine Bare Case
1 of 6
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
60
200-475
Used Ajax DP-115 Natural Gas Engine
1 of 3
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
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.