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411 Results
411 Results 
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Used Gemini G-26 Natural Gas Engine
1 of 3
Used Gemini G-26 Natural Gas Engine

Used Gemini G-26 Natural Gas engine with following features: • 26 HP • 1800 RPM • 2 Cylinder, 4 stroke • 120.14 mm (4.73 in) Bore • 101.6 mm (4.0 in) Stroke • 1.96 L (120 in3) Displacement • CCW Rotation (from flywheel end) • Weight ,350 lbs (dry weight, engine only) • Dims (41.5”L x 39.25”W x 38.75” H)

Used Gemini G-26 Natural Gas Engine
1 of 3
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54556
26
1800
Used Gemini G-26 Natural Gas Engine
1 of 8
Used Gemini G-26 Natural Gas Engine

Used Gemini G-26 Natural Gas engine radiator through flywheel with following features: • 26 HP • 1800 RPM • 2 Cylinder, 4 stroke • 120.14 mm (4.73 in) Bore • 101.6 mm (4.0 in) Stroke • 1.96 L (120 in3) Displacement • CCW Rotation (from flywheel end) • Weight ,350 lbs (dry weight, engine only) • Dims (41.5”L x 39.25”W x 38.75” H)

Used Gemini G-26 Natural Gas Engine
1 of 8
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54557
26
1800
Used Gemini G-26 Natural Gas Engine
1 of 3
Used Gemini G-26 Natural Gas Engine

Used Gemini G-26 Natural Gas engine with following features: • 26 HP • 1800 RPM • 2 Cylinder, 4 stroke • 120.14 mm (4.73 in) Bore • 101.6 mm (4.0 in) Stroke • 1.96 L (120 in3) Displacement • CCW Rotation (from flywheel end) • Weight ,350 lbs (dry weight, engine only) • Dims (41.5”L x 39.25”W x 38.75” H)

Used Gemini G-26 Natural Gas Engine
1 of 3
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54558
26
1800
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: 52645
22
350-650
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 7
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 7
  • 30 HP
  • 350-650 RPM
  • Stock No: 54493
30
350-650
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 6
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 6
  • 30 HP
  • 350-650 RPM
  • Stock No: 54494
30
350-650
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: 54495
30
350-650
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"Wx36"H

Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 4
  • 30 HP
  • 350-650 RPM
  • Stock No: 54498
30
350-650
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 6
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 6
  • 30 HP
  • 350-650 RPM
  • Stock No: 54499
30
350-650
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 7
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 7
  • 30 HP
  • 350-650 RPM
  • Stock No: 54501
30
350-650
Used Cummins G-495 Natural Gas Engine
1 of 4
Used Cummins G-495 Natural Gas Engine

Used inline 4 cylinder engine on an IR gas compressor skid stock #54055 has hole in the block, good engine for parts, 109hp @ 1800rpm, 8.5:1 comp ratio, mfg 7/85

Used Cummins G-495 Natural Gas Engine
1 of 4
  • 109 HP
  • 1800 RPM
  • Stock No: 54489
109
1800
Used Nissan 6-cylinder Natural Gas Engine
1 of 8
Used Nissan 6-cylinder Natural Gas Engine

Used inline 6 cylinder natural gas engine in pieces

Used Nissan 6-cylinder Natural Gas Engine
1 of 8
  • 60 HP
  • 1800 RPM
  • 50 KW
  • 3 Phase
  • Stock No: 54462
60
1800
Used Waukesha 145-GK Natural Gas Engine
1 of 4
Used Waukesha 145-GK Natural Gas Engine

Used inline 6 cylinder engine, no starter, no clutch, no carb has radiator

Used Waukesha 145-GK Natural Gas Engine
1 of 4
  • 145 HP
  • 2000 RPM
  • Stock No: 54413
145
2000
Used Ajax 8 1/2x10 E-42 Natural Gas Engine
1 of 7
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 7
  • 42 HP
  • 300-525 RPM
  • Stock No: 54405
42
300-525
Used Ford 460 Natural Gas Engine
1 of 7
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) • Weight 1,220 lbs • Dims 58"Lx36"Wx72"H

Used Ford 460 Natural Gas Engine
1 of 7
  • 110 HP
  • 3000 RPM
  • Stock No: 54400
110
3000
Used Lufkin L-795CCW Natural Gas Engine
1 of 3
Used Lufkin L-795CCW Natural Gas Engine

Used crank case, some parts stored separately

Used Lufkin L-795CCW Natural Gas Engine
1 of 3
  • 78.3 HP
  • 600 RPM
  • Stock No: 54304
78.3
600
Used Oilwell E-20-RC Natural Gas Engine
1 of 3
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 3
  • 20 HP
  • 750 RPM
  • Stock No: 54297
20
750
Used Oilwell E-20-RC Natural Gas Engine
1 of 5
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 5
  • 20 HP
  • 750 RPM
  • Stock No: 54298
20
750
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: 54299
20
750
Used Kubota NRG 1600 Natural Gas Engine
1 of 3
Used Kubota NRG 1600 Natural Gas Engine

Used Kubota NRG 1600 Pumpjack engine with following features: • 16 HP • 300/1100 RPM • 1 Cylinder, 4 stroke • 1.922 L (117.28 in3) Displacement • Naturally Aspirated • Weight (dry weight, engine only) • Dims 48"Lx43"Wx35"H

Used Kubota NRG 1600 Natural Gas Engine
1 of 3
  • 16 HP
  • 300-1100 RPM
  • Stock No: 54266
16
300-1100

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.