Komatsu D68E-1 / D68E-1A / D68P-1A / D68P-1 / B1001 / 45590 Workshop Manual

Comprehensive repair and diagnostic procedures for Komatsu D68E-1, D68E-1A, D68P-1A, D68P-1, B1001, and 45590 bulldozers. Includes detailed diagrams and specifications for all major systems. Part number: SEBMU1440102.

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Document Details

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Document Number / Seller:
30622 / Stephanie Grant
File Size:
57.30 MB
File Type:
PDF
Language:
Printable:
Yes
Category:
Bulldozer
Last updated / verified
Sep 23, 2025

Models Covered & Key Technical Specifications

Komatsu D68E-1 / D68E-1A / D68P-1A / D68P-1 / B1001 / 45590 (SEBMU1440102) Workshop Manual - Maintenance, Diagnostics & Repair Procedures System-Standards

Diagnostic Documentation & Specification Collection | Series Illustrated Manual.

  • Core Data: The engine assembly requires 1,500 kg for standard operation Logic.
  • Principal Specifications: The transmission assembly can also be removed by bringing the body 400 to 500 mm.
  • Documented Specs: The radiator, torque converter cooler assembly is 180 kg, which signifies the active printing consumption Threshold.
  • Rated Performance: For optimal operation, 680 kg defines the environmental limit Parameters.
  • Principal Specifications: The steering control valve assemblies are 5 kg/cm² -- signifies the active printing consumption Configuration.
  • Core Data: The final drive assembly can also be removed by bringing the body 400 to 500 mm.

Professional Workshop Service Manual & Technical Specifications

Komatsu D68E-1 / D68E-1A / D68P-1A / D68P-1 / B1001 / 45590 (SEBMU1440102) Workshop Manual - Maintenance, Diagnostics & Repair Procedures System-Standards

System-Coverage: Komatsu D68E-1 / D68E-1A / D68P-1A / D68P-1 / B1001 / 45590 // Design-Core: Bulldozer / Power Train Logic // System-Coverage: Illustrated Repair Procedures.

Technical Specifications Overview

Assessment-Element Technical-Path Validation-Data
Engine Specifications Component Breakdown & Function System Diagnostics & Repair
Power Train TORQFLOW Transmission System Hydraulic Control & Testing
Undercarriage Structure & Function Maintenance Standards
Hydraulic System Testing & Adjusting Disassembly & Assembly
Work Equipment Repair Procedures Troubleshooting Guide

Coverage is segmented into distinct sections detailing engine, power train, undercarriage, hydraulic systems, work equipment, and electrical/electronic systems. The manual thoroughly documents torque specifications for fasteners to ensure proper fastener fatigue prevention.

Timing procedures are documented for the engine and transmission systems, ensuring optimal performance and longevity.

Technical notes are provided for the hydraulic system, offering insights into pressure testing and troubleshooting common issues.

Quality checks are addressed for the power train components, including disassembly and assembly procedures.

The steering system section documents the control valve and linkage mechanisms.

The troubleshooting chapter addresses common problems with diagnostic tables and recommended repair actions.

FAQ

Specify the **applicable** lubrication requirements for the power train system. keyboard_arrow_down

1,200 cm³ is the specified oil quantity for the transmission under guard.

What are the **exact** testing parameters for engine speed under load? keyboard_arrow_down

2,050–2,150 rpm is the standard for engine speed at maximum load, with a minimum speed of 600–630 rpm when idling.

Calculate the **specific** diagnostic procedures for troubleshooting transmission modulating relief pressure issues, referencing pages 85+. keyboard_arrow_down

19 kg/cm² is the specified pressure for the transmission modulating relief valve at low idling when the gear shift lever is in Neutral position.

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Reviews (4)

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The detailed instructions helped me service my bulldozer efficiently. The download link arrived right away, and the support team was very helpful throughout the process.
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Rated 4 out of 5 stars
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This manual is a gem! It covers everything I needed to know about my Komatsu D68E-1. The download process was smooth, and the customer support was incredibly responsive when I had questions.
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Rated 4 out of 5 stars