Allis Chalmers D2800, D2900, 649 Torque & Engine Specifications

Engine Details & Torque Specs

Engine Make: Allis Chalmers
Engine Cubic Inches: 301
Engine Model: D2800, D2900, 649
Engine Notes: Diesel
Other Notes:
Year/Serial:
Fuel: Diesel
Cylinders: 6
Bore: 3.875"
Stroke: 4.250"
Firing Order: 1-5-3-6-2-4
Intake Valve Lash: .018" cold, .015" hot
Exhaust Valve Lash: .018" cold, .015" hot
Rod Torque: 50 ft/lbs hex head bolt, 45 ft/lbs 12-point bolt
Head Torque: 165 ft/lbs
Main Torque: 130-140 ft/lbs
Rod Journal Diameter: 2.3720-2.3735"
Main Journal Diameter: 2.7465-2.7480"

Recommended Products

Allis Chalmers D2800, D2900, 649 Turbo and Non-Turbo Engine Inframe Overhaul Rebuild Kit, Absolute From $999.99 to $1,100.85 Updated kit - Fits Non-Turbo, Turbo and also Intercooled Engines.	Allis Chalmers D2800, D2900 Cylinder Kit, 4009253 $112.38 replaces 4009253, 74009253	Allis Chalmers D2800, D2900 Main Bearing Set, Standard, 74006066 $144.67 Standard
Allis Chalmers D2800, D2900 Main Bearing Set, .010, 74006067 $144.67 .030	Allis Chalmers D2800, D2900 Main Bearing Set, .020, 74006068 $144.67 .020	Allis Chalmers D2800, D2900 Main Bearing Set, .030, 74006069 $144.67 .010
Allis Chalmers Rod Bearing, Standard, 4007700 $15.65 Standard, replaces 74007700, 4007700, 4061928, 74061928, 4024463	Allis Chalmers Rod Bearing, .010, 4007740 $15.64 .010	Allis Chalmers Rod Bearing, .020, 4007741 $15.64 .020
Allis Chalmers Rod Bearing, .030, 4008168 $15.64 .030	Allis Chalmers Head Gasket Set, 74009450 $100.28 replace 74009450, VG6894D, 4009450	Allis Chalmers Conversion Gasket Set with Crank Seals, 74009451 $131.85 replaces 74009451, 70277087, 515065, 74009456, 4009456, 4009451
Allis Chalmers Oil Pan Gasket, 74021022 $21.12 For engine serial numbers 13323 and up.

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