Chrysler Marine Engine M440 Factory Service & Repair Manual • P/N 81-770-9563

Chrysler M440 Marine Engine: Technical Data, Part Numbers & Diagrams

• Covers the 440 cubic inch Chrysler Marine Engine M440, with dedicated supplement sections for the Chrysler 260, 280, and 330 model series.
• Original OEM publication P/N 81-770-9563 delivers factory-authorized technical data directly to your shop.
• Contains 47 exploded-view diagrams, electrical schematics, and tolerance tables essential for accurate engine, fuel, and electrical system repair reference.
• Instant download access ensures you get the file immediately for shop-floor printing or digital viewing.
• Stored securely in your account for reliable retrieval, even after hardware failures.

The Chrysler M440 service manual provides the technical foundation required for understanding this classic 8-cylinder marine powerplant. Rather than hunting down scattered specifications, technicians gain immediate access to comprehensive data for the fuel system, including the Carter AFB four-barrel carburetors, alongside both raw and fresh water cooling system variants. The manual breaks down the engine block, crankshaft, connecting rods, and lubrication networks. This provides a component-level overview crucial for diagnostic work. Always adhere to standard marine shop safety protocols and battery isolation practices when referencing these electrical and mechanical blueprints.

Inside, you will find precise clearances, bolt tightening sequences, and piston ring gap measurements directly from the manufacturer. Electrical data sections detail starter motor and alternator specifications, offering exact reference points for charging circuits and voltage regulator adjustments. Key reference values cover valve springs, camshaft bearings, and hydraulic tappet assemblies necessary for any extensive repair assessment. For example, the cylinder head specification table lists intake valve clearance at 0.001–0.003 inches. The engine data section dictates a cylinder head bolt torque of 50 foot-pounds, while the primary fuel pump pressure requires 3.5 to 5 psi. This 1968 OEM document stands as the definitive factory reference for the M440's specific marine-grade ignition and cooling configurations.