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
HP: 15
RPM: 750