Chrysler Marine Engine M440 Service Manual

This maintenance manual provides repair information and procedures for the Chrysler Marine Engine Model M440. Includes diagrams and specifications. Part No. 81-770-9563.

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Chrysler Models Covered & Key Technical Specifications

Models: Chrysler Marine Engine M440
Sub-models / Variants: Chrysler 260, Chrysler 280, Chrysler 330, M383, M400
Trade Names: Chrysler Marine
Technical Data:

  • Engine Displacement: 440 cu. in.
  • Engine Configuration: 8 cyl. 90° O.H.V.
  • Brake Horsepower Net: 300 @ 4000 RPM
  • Compression Ratio: 8.0:1
  • Connecting Rod Length: 6.766"–6.770"
  • Idle Speed: 600–700 RPM
  • Oil Pressure: 45–65 psi @ 2000 RPM
  • Spark Plug Gap: 0.035 inch
  • Carburetor: 4-barrel downdraft AFB-4476SA
  • Fuel Pump Pressure: 3-1/2 to 5 psi
Technical Specifications
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Document Number / Seller:
29173 / Jessica Reed
File Size:
86.14 MB
File Type:
PDF
Language:
English
Pages:
220+
Printable:
Yes
Category:
Inboard-Engines-Sterndrives
Last updated / verified
Apr 18, 2026

Chrysler Manual Features & Content Preview

Chrysler M440 Marine Engine: Technical Scope and Data

  • Covers the 440 cubic inch Chrysler Marine Engine M440, including detailed supplement sections for Chrysler 260, 280, and 330 model series engines.
  • Original OEM publication P/N 81-770-9563, providing factory-authorized technical data and service procedures.
  • Contains 47 exploded-view diagrams, electrical schematics, and comprehensive tolerance specification tables for engine, fuel, and electrical systems.
  • File link appears in your order confirmation straight away.
  • Suitable for printing individual sections for shop-floor use.
  • Stored against your account so you can retrieve it after a hard-drive loss.
  • This 1968 publication remains the primary factory reference for the Chrysler M440 marine engine and its specific marine-grade ignition and cooling system configurations.

Document Content and System Details

The Chrysler M440 service manual provides technical information for the operation and maintenance of the 8-cylinder Chrysler Marine Engine. This document details the procedures for servicing the cooling system, including both raw water and fresh water variants, along with comprehensive data for the fuel system and Carter AFB four-barrel carburetors. The text is divided into sections covering the engine block, crankshaft, connecting rods, and lubrication systems, providing a complete technical overview for these core components.

Engine and Electrical Specification Highlights

This manual documents precise clearances and torque values for engine internals, including cylinder head tightening sequences and piston ring gap measurements. The Chrysler M440 electrical data section covers the starter motor and alternator specifications, offering diagnostic guidance for charging circuits and voltage regulator adjustments. The manual provides reference values for valve springs, camshaft bearings, and hydraulic tappet assembly. Valve clearance for the intake is listed at 0.001–0.003 inch in the cylinder head specification table. Cylinder head bolt torque is specified at 50 foot-pounds in the engine data section. The Chrysler M440 primary fuel pump pressure is documented at 3-1/2 to 5 psi. This official OEM technical manual documents the engine, chassis, electrical, and fuel-injection specifications required for the maintenance and service of the Chrysler M440 marine powerplant series.

Document Reference: Part Number 81-770-9563, Chrysler Corporation Marine Engine Division

Manual FAQ, Purchase & Download Details

Which engine components are detailed in the data and specification tables included in Section 2? keyboard_arrow_down

Specification tables in this document cover a variety of engine internals including crankshaft and bearing journals, connecting rods, camshaft journals, pistons, valve specifications, and cylinder block dimensions.

Are there visual references and exploded views included in the manual for the raw and fresh water pump assemblies? keyboard_arrow_down

Document contains exploded view diagrams for both Jabsco and Sherwood water pump models. These illustrations show the arrangement of seals, impellers, shafts, and housing components to aid in understanding the assembly structure.

Is this service manual a specific edition covering the Chrysler M440 marine engine? keyboard_arrow_down

PDF document is the official service manual for the Chrysler Marine Engine Model M440.

What level of system detail can be found within the different chapters of this service manual? keyboard_arrow_down

Manual provides comprehensive coverage of several core engine systems, including detailed sections for the cooling system, fuel system, and electrical system. It also features a dedicated engine section for internal specifications and a supplement that lists information for related models like the Chrysler 260, 280, and 330. Each chapter offers technical data, component descriptions, and reference information tailored to the M440 marine engine.

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