John Deere 3179, 4239, 6359, 4276, 6414 Diesel Engine Service Manual CTM4
This technical manual offers comprehensive coverage for John Deere 3179, 4239, 6359, 4276, and 6414 engines. It details maintenance procedures, troubleshooting, and part numbers. PN: CTM4
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Sample pages from the John Deere 3179, 4239, 6359, 4276, 6414 Diesel Engine Service Manual CTM4 manual
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John Deere Models Covered & Key Technical Specifications
Models: 3179, 4239, 6359, 4276, 6414
Sub-models / Variants: 3179D, 3179T, 4239D, 4239T, 4239A, 4276D, 4276T, 6359D, 6359T, 6359A, 6414D, 6414T, 3179DF, 3179TF, 4239DF, 4239TF, 4239AF, 4276DF, 4276TF, 6359DF, 6359TF, 6359AF, 6414DF, 6414TF
Build Years: 1983–1995
Serial Numbers: CD394145–, T0100001–300000
Technical Data:
- Engine configuration: 3, 4, and 6-cylinder diesel engines
- Engine displacement: 179 cu. in. (2.9 L), 239 cu. in. (3.9 L), 276 cu. in. (4.5 L), 359 cu. in. (5.9 L), 414 cu. in. (6.8 L)
- Rotation: Counterclockwise (viewed from flywheel looking toward water pump)
- Crankshaft Seal: Two-piece (separable) rear oil seal and wear sleeve assemblies
John Deere Manual Features & Content Preview
John Deere 300 Series Diesel Engine Technical Scope
- Covers the 3179, 4239, 6359, 4276, and 6414 engine line, detailing specifications and assembly sequences for agricultural and industrial configurations.
- Official John Deere Power Systems Group publication CTM4, revised October 28, 1995.
- Contains 547 pages of technical data, including valve clearances, piston-to-liner tolerances, torque charts, and component identification diagrams.
- Downloads to your account within seconds of checkout.
- Your order stays downloadable from your account for life.
- what factory workshop documentation is structured to help identify maintenance intervals and rebuild tolerances.
- This 1995 edition updates previous engine application charts, cooling requirements, and lift-procedure standards for 300 series diesel power units.
Engine Rebuild and Maintenance Data
This manual provides a detailed technical reference for the 300 Series Diesel Engine family, spanning a wide range of displacement variants from 2.9 L to 6.8 L. The document organizes content into grouped chapters that facilitate identification of components and necessary service actions. It includes specialized procedures for timing gear covers, fuel injection pump calibration for Lucas CAV and Stanadyne systems, and detailed cooling system maintenance.
Specification Highlights
Technical specifications are organized to support rebuilding and maintenance activities. Cylinder head bolt torque values are documented for multiple screw lengths, including multi-stage sequences with final-stage angles for specific block configurations. The manual defines valve clearance limits as 0.35 mm for intake and 0.45 mm for exhaust, measured with a cold engine. Coolant system data specifies a 3% addition of TY16004 or TY16005 liquid conditioner to maintain chemical protection. The assembly guide provides tolerances for crankshaft, rod journal, and piston-to-liner clearances to ensure precise engine rebuilds. This official 547-page John Deere technical manual documents specifications for the 3179, 4239, 6359, 4276, and 6414 diesel engine series, providing critical data for rebuilds, assembly, and maintenance procedures.
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