John Deere 321 Torque & Engine Specifications, Gas 2 cylinder 1.750" pin
Engine Details & Torque Specs
Engine Make: John Deere
Engine Cubic Inches: 321
Engine Model: 321
Engine Notes: Gas 2 cylinder 1.750" pin
Other Notes: original cast iron piston compression distance 4.828", 1.750" pin diameter
Year/Serial: Fuel: Gas
Cylinders: 2
Bore: 5.500"
Stroke: 6.750"
Firing Order: Intake Valve Lash: .020" hot (.508 mm)
Exhaust Valve Lash: .020" hot (.508 mm)
Rod Torque: 100 ft/lbs
Head Torque: 95 ft/lbs, large stud 150 ft/lbs
Main Torque: Rod Journal Diameter: 2.9985-3.0000"
Main Journal Diameter: 2.7490-2.7500"
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