2002 John Deere 4110 / 4115 Technical Manual

Technical Scope for the 2002 John Deere 4110 and 4115

• This service publication is designed for the 2002 John Deere 4110 and 4115 Compact Utility Tractors, including CST and HST drivetrain configurations.
• Official John Deere technical manual TM1984, published May 2002.
• Features 12 detailed chapters covering engine specifications, torque values, hydraulic schematics, and hydrostatic drivetrain diagnostics.
• File link appears in your order confirmation straight away
• OCR text layer lets you jump to a torque spec by keyword
• Includes 124 torque-spec tables and system-specific electrical wiring diagrams.
• This May 2002 edition serves as the foundational technical reference for the 4110 and 4115 series, covering both the 21 HP and 24 HP Yanmar engine variants.

Engine and Drivetrain Systems

This factory-level documentation provides a detailed breakdown of the 3TNE74 and 3TNE78A diesel engines found in the 2002 John Deere 4110 and 2002 John Deere 4115 models. The chapters address engine block assembly, piston and ring clearances, valve train settings, and fuel system calibration. Lubrication system data and cooling system theory of operation are documented alongside detailed diagnostic flow charts for common engine operational issues like rough idling, misfiring, or excessive exhaust smoke.

Specification Highlights

Technical data is provided for precision adjustments across all major systems. Intake valve clearance for the 2002 John Deere 4110 is listed at 0.15–0.25 mm in the diagnostic specification table. Coolant system capacity for these units is documented at 2.4 liters. Camshaft end play for the 21 HP engine series is specified at 0.05–0.25 mm. Additionally, the manual lists extensive fastener torque requirements, including cylinder head bolt specs of 59–64 Nm for the main assembly. This 698-page official John Deere workshop manual covers the 2002 John Deere 4110 and 2002 John Deere 4115, documenting mechanical, hydraulic, and electrical system data required for professional-level maintenance.