Description
John Deere Series 220 Technical Service Manual CTM3 is the factory technical publication for the specified three- and four-cylinder Series 220 diesel engines and power unit engine applications. It provides workshop information for servicing, repair and troubleshooting, together with engine specifications and general technical data.
This manual is intended for professional technicians, engine rebuilders, agricultural machinery workshops and engineers responsible for maintaining equipment powered by the listed John Deere Series 220 engines. Coverage is arranged by engine family, allowing the relevant technical section to be identified from the engine model designation.
The publication includes safety information, specifications, engine-related service material and dedicated coverage of the air intake, fuel and electrical systems. It also addresses accessories fitted to Series 220 power unit engines.
John Deere Series 220 Technical Service Manual
CTM3 covers the following engine model groups and associated John Deere engine designations:
- 3TN66 diesel engine
- 3TNA72 diesel engine, identified with the 3009 group
- 3TN75 diesel engine
- 3TN78 diesel engine
- 3TNC78 diesel engine, within the 3011 group
- 3TN82 diesel engine
- 3TNA82 diesel engine
- 3TN84 diesel engine, within the 3014 group
- 4TN78T, 4TN82 and 4TN84(T) diesel engines, within the 4019 group
- 4TB100 diesel engine
SPECIFICATIONS AND GENERAL INFORMATION
The introductory material establishes the safety requirements and technical information needed before inspection or repair work begins. This section provides the general reference framework for using the engine-specific service sections correctly.
- Workshop safety information
- Engine specifications
- General technical information
- Identification of the applicable engine family
- Model-group references for 3009, 3011, 3014 and 4019 engines
ENGINE SERVICE INFORMATION
The principal engine coverage is divided between the listed Series 220 models. It is designed to support servicing and repair work while keeping the information associated with each engine group clearly separated.
- Service coverage for 3TN66 and 3TNA72 engines
- Service coverage for 3TN75, 3TN78 and 3TNC78 engines
- Service coverage for 3TN82, 3TNA82 and 3TN84 engines
- Service coverage for 4TN78T, 4TN82 and 4TN84(T) engines
- Technical coverage for the 4TB100 engine
- Series 220 power unit engine information
AIR INTAKE AND FUEL SYSTEM
CTM3 includes a dedicated engine, air intake and fuel system section. This material supports systematic servicing and fault investigation within the scope of the Series 220 power unit engine installation.
- Series 220 engine service subjects
- Air intake system information
- Fuel system information
- System servicing guidance
- Repair and troubleshooting reference
ELECTRICAL SYSTEM AND ACCESSORIES
Electrical coverage is provided specifically for Series 220 power unit engines. The manual also includes an accessories section for identifying and servicing equipment associated with these power unit applications.
- Series 220 power unit electrical system
- Electrical service information
- Electrical troubleshooting reference
- Power unit engine accessories
- Accessory-related technical information
TROUBLESHOOTING AND REPAIR
The John Deere Series 220 Technical Service Manual is structured for practical workshop use, combining model-specific engine information with repair, servicing and troubleshooting guidance. Technicians can use the applicable engine section alongside the specifications and system chapters when investigating faults or planning repair work.
- Model-specific troubleshooting information
- Engine service and repair guidance
- Air intake and fuel system fault investigation
- Electrical system troubleshooting
- Specifications for workshop reference
MODEL(S) COVERED
Engines: 3TN66, 3TNA72, 3TN75, 3TN78, 3TNC78, 3TN82, 3TNA82, 3TN84, 4TN78T, 4TN82, 4TN84(T) and 4TB100.
Engine groups: 3009, 3011, 3014 and 4019, as identified in the manual contents.
SERIAL NUMBERS COVERED
No engine serial-number range is stated for this publication. Applicability should therefore be checked by matching the engine model designation to the models listed above.
MANUAL DETAILS
- Manufacturer: John Deere
- Manual type: Technical Service Manual
- Publication number: CTM3
- Machine type: Series 220 diesel engines and power unit engines
- Language: English
- Format: PDF
- Page count: Not stated
This publication is suitable for workshops requiring the correct John Deere technical reference for the listed Series 220 engine families. Its model-group organisation helps technicians select the appropriate information without relying on generic diesel engine instructions.
Before beginning work, confirm the complete engine model shown on the engine identification plate. This is particularly important where several closely related 3TN, 4TN and power unit variants are covered by the same CTM3 publication.
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