2001 and Up Komatsu D39EX-21 & D39PX-21 Shop Manual
Covers Komatsu D39EX-21 & D39PX-21 bulldozers with detailed diagnostic procedures, component service, and troubleshooting. Ref: SEBM023810
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Sample pages from the 2001 and Up Komatsu D39EX-21 & D39PX-21 Shop Manual manual
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Models Covered & Key Technical Specifications
Komatsu D39EX-21 & D39PX-21 (SEBM023810) – 2001 and Up Covers Komatsu D39EX-21 and D39PX-21 bulldozers with detailed diagnostic procedures, component service, and troubleshooting. Ref: SEBM023810 | Collection Dossier
- Measured Precision Specs: 71 kW engine rated horsepower signifies the maximum power output specification.
- Factory Torque Data: 4.200 mm overall length is standardized to the chassis design Architecture.
- Approved Volume Data: 2,770 mm overall height (not including antenna) determines the environmental limit Framework.
- Reference Running Clearance: 8,820 kg operating weight is calibrated to the base machine weight Threshold.
- Critical Heat Tolerance: 4.3 km/h forward 1st speed achieves the standard travel performance Benchmarks.
- Measured Installation Footprint: 30 degrees gradeability corresponds to the maximum incline capability Parameters.
Professional Workshop Service Manual & Technical Specifications
Komatsu D39EX-21 & D39PX-21 (SEBM023810) – Comprehensive Service, Repair & Diagnostics Manual Documentation-Set
System-Coverage: D39EX-21, D39PX-21 // Subsystem-Focus: Crawler Tractor / Hydraulic System Logic // System-Coverage: Component Replacement & Maintenance
Table of Contents Summary
- Chapter 10: Structure and Function, Maintenance Standard
- Chapter 20: Testing and Adjusting
- Chapter 01: General
- Chapter 30: Disassembly and Assembly
- Chapter 90: Others (Chassis Volume)/Repair and Replacement of Parts (Engine Volume)
This shop manual provides essential technical information for servicing Komatsu D39EX-21 and D39PX-21 bulldozers. It covers system overviews, component specifications, and detailed procedures for maintenance, repair, and diagnostics.
Component locations are identified for all major systems, including the power train, hydraulic equipment, and engine control.
Service procedures are documented for disassembly, assembly, and testing across various components.
Calibration requirements are specified for critical systems like the HST pump and various control valves.
Electrical system documentation covers wiring diagrams and component identification for troubleshooting.
Suspension service documentation covers track frame and roller assembly procedures.
This manual documents torque specifications for critical components to ensure proper pivot-point integrity.
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