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Caterpillar GC40K STR Forklift Engine Service and Schematic Manual (99739-82110)

Format: PDF (Printable Document)

File Language: English

File Pages: 2822

File Size: 145.35 MB (Speed Download Link)

File Count: 119 PDF files

Brand: Caterpillar

Model: GC40K STR

Equipment Type: Forklift

Book No: 99739-82110

Serial No (models covered): AT87B-00001-up, AT88B-00001-up, AT89B-00001-up

Manuals Included: 9 publications – Chassis & Mast Service Manual, Chassis Service Manual, 3L, G6 Gasoline Engine Service Manual, 4X LPG Engine Service Manual

Type of Document: Engine Service & Schematic Manual

Categories: ,

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Caterpillar GC40K STR Forklift Engine Service and Schematic Manual (99739-82110)

A Cat GC-series counterbalanced truck moves palletized loads around warehouses, yards, and production plants, with LPG or gasoline power and cushion tires on the GC models. I've seen shops lose time and money buying an operator handbook when they needed workshop data. This is the engine book of the set, used to test, adjust, tear down, and rebuild the engine end of the truck.

What this manual helps you do

  • Trace engine systems and related wiring with the supplied schematics.
  • Check operating conditions, test results, and service adjustments.
  • Follow disassembly and assembly procedures for engine components.
  • Diagnose running, starting, cooling, lubrication, and fuel-system faults.
  • Verify torque values, clearances, specifications, and service data during repair.

Who this is for

This suits a warehouse maintenance tech, plant mechanic, dealer technician, rental fleet mechanic, or independent forklift repair shop. The chassis, mast, hydraulics, steering, brakes, and power-train work is organized in the companion chassis manual, also available, so the set covers the truck repair job from the engine side outward.

FAQ

Q: What do I receive, and how is it organized?

A: You receive 9 Cat publications delivered as 119 PDF files split by section, totaling 2,822 pages. The PDFs have a real text layer, so you can search and copy text, then print or zoom the pages as needed.

Q: Does it fit my truck?

A: Yes, when the truck is one of these models and serial ranges: GC35K, GC40K, GC45K SWB, GC45K, GC55K, GC60K, or GC70K, including AT87B-00001-up, AT88B-00001-up, and AT89B-00001-up coverage.

Q: How does it fit the repair job?

A: Use it for engine specifications, system operation, testing, adjusting, teardown, assembly, torque values, and clearances. It gives a shop the engine service information needed to put a used Cat back to work.

If your truck matches the models and serial coverage above, this is the right engine-service set for in-house repair and rebuilding work.

Models covered by this manual

Caterpillar publication 99739-82110 is the factory engine service and schematic manual for the GC40K STR. The same publication covers 8 further forklift models: GC35K, GC40K, GC45K STR, GC45K SWB, GC55K STR, GC60K, GC70K, GC70K STR. The cover also lists GC45K, GC55K. Check the model and serial number on your data plate before ordering.

📘 Show Index

Table of Contents:

  • 99789-84120 – 3L, G6 Gasoline Engine Service Manual
    • Foreword
    • Determining When to Overhaul the Engine
    • Engine Replacement
    • Specifications
    • Major Nuts and Bolts Tightening Torque
    • Sealers, Adhesives and Lubricants
    • Use of RTV and Anaerobic Sealer
    • Diagnostic Information and Procedures
    • Valve Train Diagnosis
    • Oil Leak Diagnosis
    • Electrical Throttle and Governor Control System
    • Ignition System and Distributor
    • Starter Motor
    • Special Tools and Equipment
  • 99739-8D100 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • How to Read Circuit Diagrams
    • Engine Schematic
    • Circuit Diagrams
  • 99739-82110 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • How to Read Circuit Diagrams
  • 99739-94100 – Chassis & Mast Service Manual
    • Foreword
    • Rear Combination Lamp Kit
    • Warning Lamp Kit
    • Working Lamp Kit
    • Creep Speed Kit
    • Foot Directional Control Group
    • ENGINE SHUTDOWN KIT (LPG models only)
    • Enclosed Alternator Field Kit
    • Disconnect Switch Kit
    • Description
    • Key Kit
    • Back Buzzer Kit
    • Dual Element Air Cleaner
    • Dust and Foundry Kit
    • Back Mirror Kit
  • 99739-82100 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Electrical System
    • Power Train
    • Powershift Transmission
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • News
  • 99789-84122 – Chassis Service Manual
    • Foreword
    • Glossary
    • — Maintenance
    • 3 — LPG Fuel System
    • Fuel System Description
    • LPG Symptom Diagnostics
    • Dst Installation Instructions
    • Electrical Flow Diagram
    • Electrical System Schematic
    • On-Vehicle Service Wire Harness Repair
    • — DIAGNOSTIC TROUBLE CODES (DTCs)
    • Engine Control Module
    • Mixer and Throttle Body Assembly (New)
    • ALTITUDE vs. BAROMETRIC PRESSURE
  • 99789-84111 – Chassis Service Manual
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System Operation
    • Gasoline Fuel System Operation
    • LP Fuel System Diagnostics
    • Gasoline Fuel System Diagnostics
    • Symptom Diagnosis
    • Schematics
    • Diagnostic Trouble Codes
    • Fuel System
  • 99789-84133 – Chassis Service Manual
    • Foreword
    • General Information
    • Maintenance
    • LPG Fuel System
    • Fuel System Diagnosis
    • Diagnostic Scan Tool (DST)
    • Engine Wire Harness Repair
    • Diagnostic Trouble Codes
    • Definitions

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