1994-1998 Komatsu D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, D37P-2 Shop Manual
Diagnostic procedures and component service for Komatsu D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, D37P-2 models. Ref: SEBM01141805
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Sample pages from the 1994-1998 Komatsu D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, D37P-2 Shop Manual manual
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Komatsu Models Covered & Key Technical Specifications
Models: Komatsu D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, D37P-2
Sub-models / Variants: D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, D37P-2
Build Years: 1994–1998
Serial Numbers: D31E-18 (40001 and up), D31P-18 (40001 and up), D31P-18A (40001 and up), D31PL-18 (40001 and up), D31PLL-18 (40001 and up), D31S-18 (40001 and up), D31Q-18 (40001 and up), D37E-2 (1501 and up), D37P-2 (1501 and up)
Technical Data:
- Engine: Komatsu 6D95L and S6D95L
- Transmission: Hydroshift planetary type, 3-forward and 3-reverse speeds
- Steering System: Wet type, multiple disc, spring-boosted clutch
- Transmission Control Valve: 0.035–0.058 mm spool/body clearance
- Fuel Control Lever: 61–91 kg/cm² torque specification
- Steering Lever Travel: 180–220 mm operational range
- Brake Pedal Travel: 103–113 mm
Komatsu Manual Features & Content Preview
Komatsu D31E-18 and D37E-2 Bulldozer Shop Manual
- Covers 1994–1998 Komatsu D31E-18, D31P-18, D31P-18A, D31PL-18, D31PLL-18, D31S-18, D31Q-18, D37E-2, and D37P-2 bulldozers equipped with the 6D95L-1 engine
- Official Komatsu publication SEBM01141805, updated for 1994–1998 production units
- Contains 56 detailed cross-sectional diagrams of the transmission and hydraulic systems, 14 performance tables, and 23 technical charts
- Accessible from your device as soon as the order is placed
- OCR text layer lets you jump to a torque spec by keyword
- Laid out for standard letter and A4 printing
- This reference edition documents the D31-18 and D37-2 series machine architecture, including serialized adjustments for the 40001-series D31 and 1501-series D37 frames
Component and System Overview
The Komatsu D31E-18 and D37E-2 service manual documents the technical parameters for the 6D95L-1 diesel engine, including cylinder head assembly, valve clearance, and fuel injection pump synchronization. Primary sections provide technical details for the power train, including the Hydroshift transmission structure, steering control valves, booster cylinders, and final drive assembly. The text also covers the undercarriage maintenance standards, hydraulic system circuit diagrams, and electrical wiring code classifications to identify wire thickness and current ratings.
Specification and Data Preview
Technical data provided includes tightening torques for bolts, nuts, and flared fittings, as well as clearance standards for control valves and internal engine components. The transmission main relief pressure is documented at 20–23 kg/cm² under full throttle conditions. Steering main relief pressure for the D31 series is maintained at 18–20 kg/cm² at low engine idling. Transmission control valve spool-to-body clearance is specified at 0.035–0.058 mm. Inching pedal travel for full engagement is set between 103–113 mm. Note: This page is a contents overview for the manual. It does not provide repair or diagnostic instructions. An official 371-page Komatsu OEM shop manual covering the 1994–1998 D31 and D37 series bulldozers, providing technical specifications for the engine, power train, hydraulic, and electrical systems.
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