John Deere 6068T, 6068H PowerTech (12 Valve) Torque & Engine Specifications
Engine Details & Torque Specs
Engine Make: John Deere
Engine Cubic Inches: 414
Engine Model: 6068T, 6068H PowerTech (12 Valve)
Engine Notes: piston marked RE55512 RE505102 RE509540 1.625" pin
Other Notes: codes 4808, 4810, 4815, 4820, 4824; piston marked RE55512, RE505102, RE509540; 1.625" pin
Year/Serial: Fuel: Diesel
Cylinders: 6
Bore: 4.1929"
Stroke: 5.000"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .012-.015" cold
Exhaust Valve Lash: .016-.019" cold (.410-.480 mm)
Rod Torque: 43 ft/lbs, +95 degrees
Head Torque: 75, 110, 110 ft/lbs, wait 5 minutes, +50-70 degrees
Main Torque: 100 ft/lbs
Rod Journal Diameter: 3.0630-3.0640"
Main Journal Diameter: 3.1230-3.1240"
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