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Cummins 6CTA8.3 Torque & Engine Specifications, 5.235" flange, marked 3164, 4368, 8750, 9565, 9930

Engine Details & Torque Specs
Engine Make: Cummins
Engine Cubic Inches: 505
Engine Model: 6CTA8.3
Engine Notes: 5.235" flange, marked 3164, 4368, 8750, 9565, 9930; CDC Thru 44706125, Brazil Thru 30417119, DEP Thru 21123435
Other Notes: 5.235" liner flange diameter, piston marked 3164, 4368, 8750, 9565, 9930
Year/Serial: CDC Thru 44706125, Brazil Thru 30417119, DEP Thru 21123435
Fuel: Diesel
Cylinders: 6
Bore: 4.488"
Stroke: 5.315"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .012" cold (.305 mm)
Exhaust Valve Lash: .024" cold (.610 mm)
Rod Torque: 30, 66, 88 ft/lbs
Head Torque: before 91': 27, 110, 148 ft/lbs, 91' & up: all bolts 52 ft/lbs, long bolts 105 ft/lbs, all bolts +90 degrees
Main Torque: 37, 88, 129 ft/lbs
Rod Journal Diameter: 2.9916-2.9926"
Main Journal Diameter: 3.8568-3.8588"
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