Used Arrow Y-18 Pumpjack engine with following features:
• 33 HP
• 400/800 RPM
• 1 Cylinder, 4 stroke
• 5.5 L (332 in3) Displacement
• Naturally Aspirated
• Weight 2,890 lbs (dry weight, engine only)
• Dims 65"Lx37"Wx58"H
HP: 33
RPM: 400-800