John Deere 6531A Torque & Engine Specifications
Engine Details & Torque Specs
Engine Make: John Deere
Engine Cubic Inches: 531
Engine Model: 6531A
Engine Notes: Aftercooled
Other Notes: pistons, use turbo kits for high compression upgrade
Year/Serial: Fuel: Diesel
Cylinders: 6
Bore: 4.750"
Stroke: 5.000"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .018" cold (.457 mm)
Exhaust Valve Lash: .028" cold (.711 mm)
Rod Torque: 55 ft/lbs, +90 degrees
Head Torque: 3 point 170 ft/lbs, 6 point: 180 ft/lbs, 6 point: 180 ft/lbs
Main Torque: 210 ft/lbs
Rod Journal Diameter: 3.4980-3.4990"
Main Journal Diameter: 3.7480-3.7490"
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