Used Oilwell-Witte B-12 RC Pumpjack engine with following features:
• 12 HP
• 1000 RPM
• Inline 1 Cylinder, 4 stroke
• 127.0 mm (5.0 in) Bore
• 127.0 mm (6.0 in) Stroke
• 7.2 L (118 in3) Displacement
• Naturally Aspirated
• Weight 1,066 lbs (dry weight, engine only)
• Dims
HP: 12
RPM: 1000