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411 Results
411 Results 
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Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 3
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 3
  • 30 HP
  • 300-525 RPM
  • Stock No: 53731
30
300-525
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 3
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 3
  • 30 HP
  • 300-525 RPM
  • Stock No: 53732
30
300-525
Used Detroit 6V-71 Diesel Engine
1 of 6
Used Detroit 6V-71 Diesel Engine

Used Detroit 6V-71 diesel engine with following features: • 238 HP • 2100 RPM • V6 Cylinder • 108.0 mm (4.25 in) Bore • 127.0 mm (5.0 in) Stroke • 6.99 L (426 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight 2,010 lbs (dry weight, engine only) • Dims (41”L x 39”W x 48” H)

Used Detroit 6V-71 Diesel Engine
1 of 6
  • 238 HP
  • 2100 RPM
  • Ratio: 18.7000
  • Stock No: 53704
238
2100
Used Chrysler 225 Natural Gas Engine
1 of 2
Used Chrysler 225 Natural Gas Engine

Used Chrysler 225 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) • Weight (dry weight, engine only) • Dims

Used Chrysler 225 Natural Gas Engine
1 of 2
  • 225 HP
  • 4000 RPM
  • Ratio: 8.5000
  • Stock No: 53463
225
4000
Used Chrysler 225 Natural Gas Engine
1 of 2
Used Chrysler 225 Natural Gas Engine

Used Chrysler 225 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) • Weight (dry weight, engine only) • Dims

Used Chrysler 225 Natural Gas Engine
1 of 2
  • 225 HP
  • 4000 RPM
  • Ratio: 8.5000
  • Stock No: 53464
225
4000
Used Lufkin L-333 Natural Gas Engine
1 of 2
Used Lufkin L-333 Natural Gas Engine

Used Lufkin L-333 Pumpjack engine with following features: • 30 HP • 350-750 RPM • 2 Cylinder, 2 cycle • 127.0 mm (5.5 in) Bore • 158.75 mm (7 in) Stroke • 5.4 L (123 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight (dry weight, engine only) • Dims

Used Lufkin L-333 Natural Gas Engine
1 of 2
  • 30 HP
  • 350/750 RPM
  • Stock No: 53462
30
350/750
Used Kubota NRG 1600 Natural Gas Engine
1 of 2
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 2
  • 16 HP
  • 300-1100 RPM
  • Stock No: 53459
16
300-1100
Used Caterpillar D-353T Diesel Engine
1 of 24
Used Caterpillar D-353T Diesel Engine

Used Caterpillar D-353T diesel engine block, cylinder heads and parts only: • 640 HP • 1300 RPM • Inline 6 Cylinder, 4 stroke • 159 mm (6.25 in) Bore • 203 mm (8.0 in) Stroke • 24.2 L (1473 in3) Displacement • Turbocharged (air to air aftercooled) Aspiration • CW Rotation (from flywheel end)

Used Caterpillar D-353T Diesel Engine
1 of 24
  • 425 HP
  • 1200 RPM
  • Stock No: 53438
425
1200
Used Oilwell E-15-RC Natural Gas Engine
1 of 3
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 3
  • 15 HP
  • 750 RPM
  • Stock No: 53382
15
750
Used Oilwell E-15-RC Natural Gas Engine
1 of 1
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 1
  • 15 HP
  • 750 RPM
  • Stock No: 53383
15
750
Used Arrow Y-18 Natural Gas Engine
1 of 2
Used Arrow Y-18 Natural Gas Engine

Used Arrow Y-18 Pumpjack engine with following features: • 18 HP • 350/700 RPM • 1 Cylinder, 4 stroke • 2.8 L (173 in3) Displacement • Naturally Aspirated • Weight 1,455 lbs (dry weight, engine only) • Dims 51"Lx30"Wx47"H

Used Arrow Y-18 Natural Gas Engine
1 of 2
  • 18 HP
  • 350-700 RPM
  • Stock No: 53330
18
350-700
Used Ajax 7 1/4x8 EA-30 Natural Gas Engine
1 of 3
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 3
  • 30 HP
  • 350-650 RPM
  • Stock No: 53218
30
350-650
Used Arrow Y-18 Natural Gas Engine
1 of 2
Used Arrow Y-18 Natural Gas Engine

Used Arrow Y-18 Pumpjack engine with following features: • 18 HP • 350/700 RPM • 1 Cylinder, 4 stroke • 2.8 L (173 in3) Displacement • Naturally Aspirated • Weight 1,455 lbs (dry weight, engine only) • Dims 51"Lx30"Wx47"H

Used Arrow Y-18 Natural Gas Engine
1 of 2
  • 18 HP
  • 350-700 RPM
  • Stock No: 53189
18
350-700
Used Arrow Y-24 Natural Gas Engine
1 of 2
Used Arrow Y-24 Natural Gas Engine

Used Arrow Y-24 Pumpjack engine with following features: • 24 HP • 400/800 RPM • 1 Cylinder, 4 stroke • 4.0 L (242 in3) Displacement • Naturally Aspirated • Weight 2,145 lbs (dry weight, engine only) • Dims 62"Lx36"Wx51"H

Used Arrow Y-24 Natural Gas Engine
1 of 2
  • 24 HP
  • 400-800 RPM
  • Stock No: 53190
24
400-800
Used Arrow Y-24 Natural Gas Engine
1 of 1
Used Arrow Y-24 Natural Gas Engine

Used Arrow Y-24 Pumpjack engine with following features: • 24 HP • 400/800 RPM • 1 Cylinder, 4 stroke • 4.0 L (242 in3) Displacement • Naturally Aspirated • Weight 2,145 lbs (dry weight, engine only) • Dims 62"Lx36"Wx51"H

Used Arrow Y-24 Natural Gas Engine
1 of 1
  • 24 HP
  • 400-800 RPM
  • Stock No: 53191
24
400-800
Used Arrow Y-24 Natural Gas Engine
1 of 4
Used Arrow Y-24 Natural Gas Engine

Used Arrow Y-24 Pumpjack engine with following features: • 24 HP • 400/800 RPM • 1 Cylinder, 4 stroke • 4.0 L (242 in3) Displacement • Naturally Aspirated • Weight 2,145 lbs (dry weight, engine only) • Dims 62"Lx36"Wx51"H

Used Arrow Y-24 Natural Gas Engine
1 of 4
  • 24 HP
  • 400-800 RPM
  • Stock No: 53192
24
400-800
Used Arrow Y-24 Natural Gas Engine
1 of 2
Used Arrow Y-24 Natural Gas Engine

Used Arrow Y-24 Pumpjack engine with following features: • 22 HP • 350/700 RPM • 1 Cylinder, 4 stroke • 2.8 L (173 in3) Displacement • Naturally Aspirated • Weight 1,455 lbs (dry weight, engine only) • Dims 51"Lx30"Wx47"H

Used Arrow Y-24 Natural Gas Engine
1 of 2
  • 18 HP
  • 350-700 RPM
  • Stock No: 53188
18
350-700
Used Lufkin L-333 Natural Gas Engine
1 of 3
Used Lufkin L-333 Natural Gas Engine

Used Lufkin L-333 Pumpjack engine with following features: • 30 HP • 350-750 RPM • 2 Cylinder, 2 cycle • 127.0 mm (5.5 in) Bore • 158.75 mm (7 in) Stroke • 5.4 L (123 in3) Displacement • Naturally Aspirated • CCW Rotation (from flywheel end) • Weight • Dims

Used Lufkin L-333 Natural Gas Engine
1 of 3
  • 30 HP
  • 750 RPM
  • Stock No: 53193
30
750
Used Ajax 7 1/2x10 CMA Natural Gas Engine
1 of 12
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 12
  • 30 HP
  • 300-525 RPM
  • Stock No: 53150
30
300-525
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: 53147
30
350-650

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.