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412 Results
412 Results 
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Used Oilwell E-20-RC Natural Gas Engine
1 of 2
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 2
  • 20 HP
  • 750 RPM
  • Stock No: 55414
20
750
Used Ford VSG-411I-6006G Natural Gas Engine
1 of 12
Used Ford VSG-411I-6006G Natural Gas Engine

Used Ford VSG-411I-6006G Natural Gas engine radiator through flywheel with following features: • 27.5 HP • 2800 RPM • Inline 4 Cylinder, 4 stroke • 73.96 mm (2.91 in) Bore • 64.98 mm (2.55 in) Stroke • 1.1L (67.12 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Flywheel housing • Electric starting system • Weight • Dims

Used Ford VSG-411I-6006G Natural Gas Engine
1 of 12
  • 27.5 HP
  • 2800 RPM
  • Stock No: 55330
27.5
2800
Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
Used Ford VSG-411I-6006G Natural Gas Engine

Used Ford VSG-411I-6006G Natural Gas engine radiator through flywheel with following features: • 27.5 HP • 2800 RPM • Inline 4 Cylinder, 4 stroke • 73.96 mm (2.91 in) Bore • 64.98 mm (2.55 in) Stroke • 1.1L (67.12 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Flywheel housing • Electric starting system • Weight • Dims

Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
  • 27.5 HP
  • 2800 RPM
  • Stock No: 55335
27.5
2800
Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
Used Ford VSG-411I-6006G Natural Gas Engine

Used Ford VSG-411I-6006G Natural Gas engine radiator through flywheel with following features: • 27.5 HP • 2800 RPM • Inline 4 Cylinder, 4 stroke • 73.96 mm (2.91 in) Bore • 64.98 mm (2.55 in) Stroke • 1.1L (67.12 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Flywheel housing • Electric starting system • Weight • Dims

Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
  • 27.5 HP
  • 2800 RPM
  • Stock No: 55336
27.5
2800
Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
Used Ford VSG-411I-6006G Natural Gas Engine

Used Ford VSG-411I-6006G Natural Gas engine radiator through flywheel with following features: • 27.5 HP • 2800 RPM • Inline 4 Cylinder, 4 stroke • 73.96 mm (2.91 in) Bore • 64.98 mm (2.55 in) Stroke • 1.1L (67.12 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Flywheel housing • Electric starting system • Weight (dry weight, engine only) • Dims

Used Ford VSG-411I-6006G Natural Gas Engine
1 of 5
  • 27.5 HP
  • 2800 RPM
  • Stock No: 55338
27.5
2800
Used Detroit 16V-71 Diesel Engine
1 of 5
Used Detroit 16V-71 Diesel Engine

Used Detroit 16V-71 diesel engine with following features: • 490 HP • 2100 RPM • V-16 Cylinder, 2 cycle • 108.0 mm (4.25 in) Bore • 127.0 mm (5.0 in) Stroke • 18.6 L (1136 in3) Displacement • Turbocharged (air to air aftercooled) Aspiration • CCW Rotation (from flywheel end) • SAE #1/2 Flywheel housing • Electric or starting system • Weight 4,600 lbs (dry weight, engine only) • Dims (78.7”L x 47”W x 59” H)

Used Detroit 16V-71 Diesel Engine
1 of 5
  • 490 HP
  • 2100 RPM
  • Ratio: 18.7000
  • Stock No: 55312
490
2100
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 Ford VSG-411I-6006G Natural Gas Engine
1 of 4
Used Ford VSG-411I-6006G Natural Gas Engine

Used Ford VSG-411I-6006G Natural Gas engine radiator through flywheel with following features: • 27.5 HP • 2800 RPM • Inline 4 Cylinder, 4 stroke • 73.96 mm (2.91 in) Bore • 64.98 mm (2.55 in) Stroke • 1.1L (67.12 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Flywheel housing • Electric starting system • Weight • Dims

Used Ford VSG-411I-6006G Natural Gas Engine
1 of 4
  • 27.5 HP
  • 2800 RPM
  • Stock No: 55238
27.5
2800
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 Chrysler 318 Natural Gas Engine
1 of 4
Used Chrysler 318 Natural Gas Engine

Used Chrysler 318 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) • Flywheel housing • Electric starting system • Weight (dry weight, engine only) • Dims

Used Chrysler 318 Natural Gas Engine
1 of 4
  • 225 HP
  • 4000 RPM
  • Ratio: 8.5000
  • Stock No: 55201
225
4000
Used Ford 460 Natural Gas Engine
1 of 5
Used Ford 460 Natural Gas Engine

Used Ford 460 Natural Gas engine radiator through flywheel with following features: • 110HP • 3000 RPM • V-8 Cylinder, 4 stroke • 111 mm (4.36 in) Bore • 97.8 mm (3.85 in) Stroke • 7.5 L (460 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Electric starting system • Weight (dry weight, engine only) • Dims

Used Ford 460 Natural Gas Engine
1 of 5
  • 110 HP
  • 3000 RPM
  • Stock No: 55200
110
3000
Used Cummins NTC350 Diesel Engine
1 of 5
Used Cummins NTC350 Diesel Engine

Used 6-cylinder turbo diesel engine with radiator, has #1 flywheel housing with a #2 adaptor and double disk truck flywheel. CPL # 160FF77 DIMS: 74"L x 38"W x 76"H Weight 4,040 lbs

Used Cummins NTC350 Diesel Engine
1 of 5
  • 350 HP
  • 2100 RPM
  • Stock No: 55114
350
2100

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.