Caterpillar DP70E Forklift Service Manual – PDF Download
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The CAT DP70E Forklift Service Manual (Pub.No. 99709-71100) covers complete servicing, troubleshooting, and rebuild procedures for DP70E Diesel Lift Trucks (Serial T20C-70001 and up) equipped with the Mitsubishi S6S engine. Includes electrical diagrams, hydraulic schematics, maintenance standards, and full disassembly / reassembly instructions for every major system.
Description
Caterpillar DP70E Forklift Service Manual – Chassis, Mast & Options – PDF Download
Description
Overview
This factory-issued Caterpillar DP70E Forklift Service Manual provides detailed technical guidance for mechanics servicing the 7-ton CAT DP70E diesel forklift.
It complements the S6S Engine Service Manual and focuses on the chassis, mast, hydraulics, power train, and electrical systems.
Structured by component group, it includes step-by-step teardown, inspection, and rebuild procedures to ensure OEM-level performance and long service life.
Table of Contents
General Information
Model view & truck models covered
Serial number locations
Chassis and mast identification
Specifications & dimensions
Safety precautions and lifting guidelines
Cooling System
Specifications & layout
Radiator, fan belt service, and coolant flow
Removal / installation steps and belt tension adjustment
Electrical System
Component locations and specifications
Console box and OK monitor functions
ECU (Electronic Control Unit) & fail-safe system
Wiring harness layout & lighting circuits
Lever Control (LC) and Auto-Light System operation
Diagnostic LED codes and troubleshooting charts
Complete wiring diagram
Power Train
Transmission & drive shaft specifications
Reduction ratios and mounting procedures
Engine / transmission removal and installation
Powershift Transmission
Structure and operation
Disassembly / reassembly with torque data
Hydraulic circuit overview and testing procedure
Troubleshooting and service data
Front Axle & Reduction Differential
Specifications and gear set structure
Removal and installation instructions
Bearing clearance and backlash settings
Troubleshooting flowcharts
Rear Axle
Description, disassembly and assembly steps
Adjustment procedures and service data
Brake System
Specifications & component layout
Hydraulic circuit inspection and bleeding
Adjustment and testing procedures
Steering System
Steering gear assembly and hydraulic flow
Disassembly, inspection, and reassembly
Troubleshooting guides
Hydraulic System
Pump and control valve operation
Lift / tilt circuit schematics and testing
Pressure adjustment and leak diagnosis
Service data and tool references
Masts and Forks
Mast types (Simplex, Triplex) and specifications
Operation and hydraulic circuit
Disassembly and reassembly procedures
Readjustment and troubleshooting
Fork Positioner
Attachment models covered
Removal, assembly, and adjustment
Side Shifter
Structure, service procedures and testing
Service Data
Standard bolt torques
Lubrication chart & periodic maintenance points
Replacement intervals and component weights
Special tools list
Key Technical Highlights
Truck Model: DP70E (7 ton capacity)
Engine: Mitsubishi S6S Diesel
Transmission: 2-speed powershift (Torque converter drive)
Hydraulic Pressure: Control valve 19.1 MPa (2770 psi)
Steering Relief: 10.8 MPa (1567 psi)
Weight: ≈ 9,320 kg (20,546 lb)
Electrical System: 24 V dual-battery (2 × 65D23R)
File Details
| Detail | Specification |
|---|---|
| Manual Name | Caterpillar DP70E Forklift Service Manual |
| Models Covered | DP70E (T20C-70001 and up) |
| Engine Reference | S6S Diesel (see separate engine manual) |
| Publication No. | 99709-71100 |
| Language | English |
| PDF Quality | Factory Original / Text Searchable / With Schematics |
| Total Pages | ≈ 396 |
| Manufacturer | Cat Lift Trucks / Mitsubishi Caterpillar Forklift Co. Ltd. |
