John Deere 381D Torque & Engine Specifications, Replacement Block block marked R40930
Engine Details & Torque Specs
Engine Make: John Deere
Engine Cubic Inches: 381
Engine Model: 381D
Engine Notes: Replacement Block block marked R40930
Other Notes: block marked R40930, all service cylinder kits are 4.250" bore
Year/Serial: Fuel: Diesel
Cylinders: 6
Bore: 4.125"
Stroke: 4.750"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .018" hot (.457 mm)
Exhaust Valve Lash: .018" hot (.457 mm)
Rod Torque: 120-130 ft/lbs
Head Torque: 115 ft/lbs
Main Torque: 150 ft/lbs
Rod Journal Diameter: 2.9980-2.9990"
Main Journal Diameter: 3.3720-3.3730"
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