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
HP: 22
RPM: 350-650