John Deere 6619A, 6619T Torque & Engine Specifications, Early block marked R57424 R65628 R69312 rod marked R57484 R66925

Engine Make: John Deere
Engine Cubic Inches: 619
Engine Model: 6619A, 6619T
Engine Notes: Early block marked R57424 R65628 R69312 rod marked R57484 R66925
Other Notes: block marked R57424, R65628, R69312; curved counterbore relief; connecting rod marked R57484, R66925
Year/Serial:
Fuel: Diesel
Cylinders: 6
Bore: 5.125"
Stroke: 5.000"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .013-.017" cold
Exhaust Valve Lash: .023-.027" cold (.584-.686 mm)
Rod Torque: 20, 55 ft/lbs +90 degrees
Head Torque: 10.9 bolts: 150, 180, 180 ft/lbs, 12.9 bolts: 200, 240, 240 ft/lbs
Main Torque: 210 ft/lbs
Rod Journal Diameter: 3.4980-3.4990"
Main Journal Diameter: 3.7480-3.7490"