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412 Results
412 Results 
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Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
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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 6
  • 22 HP
  • 350-650 RPM
  • Stock No: 51480
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: 51484
22
350-650
Used Ajax 6 1/2x8 EA-22 Natural Gas Engine
1 of 6
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 6
  • 22 HP
  • 350-650 RPM
  • Stock No: 51482
22
350-650
Used Oilwell-Witte E-20 Natural Gas Engine
1 of 6
Used Oilwell-Witte E-20 Natural Gas Engine

Checked out and test ran. Starfire ignition, has radiator, fan and clutch

Used Oilwell-Witte E-20 Natural Gas Engine
1 of 6
  • 20 HP
  • 750 RPM
  • Stock No: 51457
20
750
Used Nordberg 4FG1-BH Natural Gas Engine
1 of 5
Used Nordberg 4FG1-BH Natural Gas Engine

Used engine, 15.6hp @ 1800rpm

Used Nordberg 4FG1-BH Natural Gas Engine
1 of 5
  • 15 HP
  • 1800 RPM
  • Stock No: 51411
15
1800
Used Waukesha 135-GZU Natural Gas Engine
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Used Waukesha 135-GZU Natural Gas Engine

Used, missing intake and exhaust, has hydraulic pump pad instead of clutch DIMS: 74" L x 30 " W x 53" H Estimated Weight: 2000 lbs

Used Waukesha 135-GZU Natural Gas Engine
1 of 5
  • 110 HP
  • 2000 RPM
  • Stock No: 51415
110
2000
Used Waukesha 135-GZU Natural Gas Engine
1 of 3
Used Waukesha 135-GZU Natural Gas Engine

Used missing water pump, ignition, fan, starter. Has rad, Impco, Oil Level gage DIMS: 74" L x 30 " W x 53" H Estimated Weight: 2000 lbs

Used Waukesha 135-GZU Natural Gas Engine
1 of 3
  • 110 HP
  • 2000 RPM
  • Stock No: 51412
110
2000
Used United Technologies CT4-114 Diesel Engine
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Used United Technologies CT4-114 Diesel Engine

Used, same as 1.9 Kubota, has 1861 cc cast in (=113.55 cu.in,).

Used United Technologies CT4-114 Diesel Engine
1 of 3
  • 18 HP
  • 2100 RPM
  • Stock No: 51381
18
2100
Used Oilwell-Witte B12 RC Natural Gas Engine
1 of 5
Used Oilwell-Witte B12 RC Natural Gas Engine

Single cylinder natural gas engine, 5" bore, 6" stroke, oil capacity 7qts

Used Oilwell-Witte B12 RC Natural Gas Engine
1 of 5
  • 12 HP
  • 1000 RPM
  • Stock No: 51288
12
1000
Used Ford 170F Diesel Engine
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Used Ford 170F Diesel Engine

Used inline 6 cylinder diesel engine, 401 cu. Inch, stamped in #HD16371, came with clutch, fan - engine family HFMO6.6EAA7-D1 DIMS: 60"Lx 30" W x 44" H

Used Ford 170F Diesel Engine
1 of 7
  • 170 HP
  • 2600 RPM
  • Stock No: 51254
170
2600
Used Cummins NH220 Natural Gas Engine
1 of 7
Used Cummins NH220 Natural Gas Engine

Used inline 6 cylinder natural gas engine, came with rad, Magtronic ignition, Impco 200 carb, Murphy guages, SBM # 85213

Used Cummins NH220 Natural Gas Engine
1 of 7
  • 160 HP
  • 1800 RPM
  • Stock No: 50874
160
1800
Used Oilwell-Witte 98-RC Natural Gas Engine
1 of 5
Used Oilwell-Witte 98-RC Natural Gas Engine

Used Oilwell-Witte 98-RC Pumpjack engine with following features: • 9 HP • 1200 RPM • 1 Cylinder, 4 stroke • 127.0 mm (5.0 in) Bore • 127.0 mm (5.0 in) Stroke • 1.60 L (98 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight 710 lbs (dry weight, engine only) • Dims

Used Oilwell-Witte 98-RC Natural Gas Engine
1 of 5
  • 9 HP
  • 1200 RPM
  • Stock No: 50989
9
1200

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.