Cat GC35K–GC70K Lift Truck Chassis & Mast Service Manual 99739-82100 PDF
$120.00 Original price was: $120.00.$37.95Current price is: $37.95.
Factory Cat Lift Trucks chassis & mast service manual 99739-82100 for GC35K, GC40K, GC40K STR, GC45K (SWB/STR), GC55K (STR), GC60K, GC70K (STR) (3.5–7.0 ton). Covers general specs, cooling, electrical (with multi-year wiring schematics), power train, powershift transmission (1-speed & 2-speed), front/rear axles, brakes, steering, hydraulics, and masts & forks, plus service data. Instant download.
Description
Cat GC35K–GC70K Lift Truck Chassis & Mast Service Manual 99739-82100 PDF DOWNLOAD

🧰 Cat Lift Trucks GC35K–GC70K (3.5–7.0 Ton) – Chassis & Mast Service Manual (PDF)
This is the comprehensive chassis & mast workshop manual for Cat GC-series lift trucks (3.5 to 7.0 ton class). It’s organized by system for fast troubleshooting and repair—ideal for fleet shops, forklift technicians, and rebuild work.
✅ Important note (as stated in the manual): engine and fuel-system details are handled in separate manuals/supplements (GM 4.3L engine service manual + fuel system supplements).
✅ Models Covered
GC35K, GC40K
GC40K STR
GC45K SWB / GC45K STR
GC55K / GC55K STR
GC60K
GC70K / GC70K STR
(Serial-number ranges and model identification guidance are included inside the manual.)
📑 Table of Contents / System Index
1) General Information
Vehicle exterior, models, serial number locations
Dimensions, technical data
2) Cooling System
Description, removal/installation
Fan belt inspection & adjustment
3) Electrical System
Console box / sub panel
Component disassembly & reassembly
Major electrical components, fuse box, battery maintenance
Electrical system schematics (multiple year ranges)
4) Power Train
Specs, structure, reduction ratio
R&I procedures, refill capacities
5) Powershift Transmission
1-speed transmission (GC35K–GC55K STR)
Torque converter, control valve, adjustments
Automatic 2-speed transmission (GC60K–GC70K STR), solenoid valve, troubleshooting, service data
6) Front Axle
Axle shaft & hub, reduction differential
Troubleshooting, service data
7) Rear Axle
Rear axle assembly, steering cylinder
Adjustment, troubleshooting, service data
8) Brake System
Master cylinder, wheel cylinder, wheel brake
Parking brake lever, adjustment/tests
Troubleshooting, service data
9) Steering System
Steering control valve
R&I procedures, troubleshooting, service data
10) Hydraulic System
Hydraulic circuit diagram
Disassembly/reassembly, inspection/adjustment
Troubleshooting, service data
11) Masts and Forks
Specifications, inspection/adjustment
Disassembly/reassembly, troubleshooting, service data
12) Service Data
Inspection standards
Periodic replacement parts
Special tool table
📌 File Details
| Item | Details |
|---|---|
| Manual Name | Chassis & Mast Service Manual (Cat Lift Trucks) |
| Models Covered | GC35K, GC40K, GC40K STR, GC45K (SWB/STR), GC55K (STR), GC60K, GC70K (STR) |
| Year | Multi-year coverage (includes schematics for different production ranges) |
| PDF Quality | High-detail OEM manual with diagrams, procedures, and schematics |
| Pages | 1329 pages |
Skip guesswork—get the OEM chassis, hydraulic, transmission, and wiring schematic coverage you need for fast, correct repairs. Buy now and download instantly to start diagnosing and fixing your GC-series lift truck today.
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