Perkins AD4.203 Torque & Engine Specifications, Direct Injection cast liner .150" flange 45 degree valve mexican hat bowl Tractor sump
Engine Details & Torque Specs
Engine Make: Perkins
Engine Cubic Inches: 203
Engine Model: AD4.203
Engine Notes: Direct Injection cast liner .150" flange 45 degree valve mexican hat bowl Tractor sump
Other Notes: cast liner, .150" flange, 45 degree valves, mexican hat bowl, 23 head studs, Tractor sump
Year/Serial: Fuel: Diesel
Cylinders: 4
Bore: 3.602"
Stroke: 5.000"
Firing Order: 1-3-4-2
Intake Valve Lash: .012" cold (.305 mm)
Exhaust Valve Lash: .012" cold (.305 mm)
Rod Torque: 45 ft/lbs
Head Torque: 60 ft/lbs nuts only, 70 ft/lbs studs & nuts
Main Torque: 115 ft/lbs
Rod Journal Diameter: 2.2485-2.2490"
Main Journal Diameter: 2.7480-2.7490"
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