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410 Results
410 Results 
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Used Gemini G-26 Natural Gas Engine
1 of 2
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 2
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54842
26
1800
Used Oilwell E-15-RC Natural Gas Engine
1 of 4
Used Oilwell E-15-RC Natural Gas Engine

Used Oilwell E-15-RC Pumpjack engine with following features: • 15 HP • 750 RPM • 1 Cylinder, 4 stroke • 152.4 mm (6.0 in) Bore • 203.2 mm (8.0 in) Stroke • 3.7 L (226 in3) Displacement • Naturally Aspirated • Weight 1,700 lbs (dry weight, engine only) • Dims

Used Oilwell E-15-RC Natural Gas Engine
1 of 4
  • 15 HP
  • 750 RPM
  • Stock No: 54852
15
750
Used Oilwell E-15-RC Natural Gas Engine
1 of 2
Used Oilwell E-15-RC Natural Gas Engine

Used Oilwell E-15-RC Pumpjack engine with following features: • 15 HP • 750 RPM • 1 Cylinder, 4 stroke • 152.4 mm (6.0 in) Bore • 203.2 mm (8.0 in) Stroke • 3.7 L (226 in3) Displacement • Naturally Aspirated • Weight 1,700 lbs (dry weight, engine only) • Dims

Used Oilwell E-15-RC Natural Gas Engine
1 of 2
  • 15 HP
  • 750 RPM
  • Stock No: 54858
15
750
Used Oilwell E-15-RC Natural Gas Engine
1 of 2
Used Oilwell E-15-RC Natural Gas Engine

Used Oilwell E-15-RC Pumpjack engine with following features: • 15 HP • 750 RPM • 1 Cylinder, 4 stroke • 152.4 mm (6.0 in) Bore • 203.2 mm (8.0 in) Stroke • 3.7 L (226 in3) Displacement • Naturally Aspirated • Weight 1,700 lbs (dry weight, engine only) • Dims

Used Oilwell E-15-RC Natural Gas Engine
1 of 2
  • 15 HP
  • 750 RPM
  • Stock No: 54859
15
750
Used Fairbanks Morse 118 Natural Gas Engine
1 of 2
Used Fairbanks Morse 118 Natural Gas Engine

Used Fairbanks Morse 118 Pumpjack Engine with following features: • 7 HP • 350/700 RPM • 1 Cylinder, 4 stroke • 127.0 mm (5.0 in) Bore • 152.4 mm (6.0 in) Stroke • Weight 780 lbs • Dims 38"Lx20"Wx43"H

Used Fairbanks Morse 118 Natural Gas Engine
1 of 2
  • 7 HP
  • 350-700 RPM
  • Stock No: 54815
7
350-700
Used Waukesha 135-GZ Natural Gas Engine
1 of 8
Used Waukesha 135-GZ Natural Gas Engine

Used radiator through clutch, Twin Disc SP 111 HP2, has magneto, alt & starter, looks mostly complete DIMS: 74" L x 30 " W x 53" H Estimated Weight: 2000 lbs

Used Waukesha 135-GZ Natural Gas Engine
1 of 8
  • 110 HP
  • 2000 RPM
  • Stock No: 54812
110
2000
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
Used Waukesha 145 Natural Gas Engine
1 of 4
Used Waukesha 145 Natural Gas Engine

Used inline 6 cylinder engine, has water pump, Impco carburetor (loose), oil cooler, Altronic 5 ignition, radiator, missing; starter, clutch, heads, governor

Used Waukesha 145 Natural Gas Engine
1 of 4
  • 145 HP
  • 1200 RPM
  • Stock No: 54740
145
1200
Used Waukesha F-1197 Natural Gas Engine
1 of 30
Used Waukesha F-1197 Natural Gas Engine

Used bare block with parts

Used Waukesha F-1197 Natural Gas Engine
1 of 30
  • 248 HP
  • 1800 RPM
  • Stock No: 54747
248
1800
Used Waukesha WAKC Natural Gas Engine
1 of 4
Used Waukesha WAKC Natural Gas Engine

Used Waukesha WAKC industrial engine with following features: • 175 HP • 1200 RPM • 6 Cylinder • 6 Size

Used Waukesha WAKC Natural Gas Engine
1 of 4
  • 175 HP
  • 1200 RPM
  • Stock No: 54748
175
1200
Used White Superior 6G-510 Natural Gas Engine
1 of 6
Used White Superior 6G-510 Natural Gas Engine

Used White Superior 6G-510 Natural Gas engine with following features: • 400 HP • 1000 RPM • Inline 6 Cylinder, 4 stroke • 215.9 mm (8.5 in) Bore • 228.6 mm (9 in) Stroke • 3060 in3 Displacement • CCW Rotation (from flywheel end) • Air starting system • Weight (dry weight, engine only) • Dims

Used White Superior 6G-510 Natural Gas Engine
1 of 6
  • 400 HP
  • 1000 RPM
  • Stock No: 54766
400
1000
Used White Superior 6G-510 Natural Gas Engine
1 of 6
Used White Superior 6G-510 Natural Gas Engine

Used 8.5 x 9 complete engine with air starter and Air-X-changer 48EH cooler s/n 788852B.

Used White Superior 6G-510 Natural Gas Engine
1 of 6
  • 400 HP
  • 1000 RPM
  • Stock No: 54767
400
1000
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: 54550
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 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 3
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54551
26
1800
Used Gemini G-26 Natural Gas Engine
1 of 9
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 9
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54552
26
1800
Used Gemini G-26 Natural Gas Engine
1 of 2
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 2
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54553
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: 54554
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 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 3
  • 26 HP
  • 1800 RPM
  • Ratio: 10.0000
  • Stock No: 54555
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: 54556
26
1800

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.