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Caterpillar GC55K Forklift LPG Service and Schematic Manual (99739-8D100)

Format: PDF (Printable Document)

File Language: English

File Pages: 2345

File Size: 125.29 MB (Speed Download Link)

File Count: 106 PDF files

Brand: Caterpillar

Model: GC55K

Equipment Type: Forklift

Book No: 99739-8D100

Serial No: AT88B-10011-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: LPG Service & Schematic Manual

Categories: ,

$ 45

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Caterpillar GC55K Forklift LPG Service and Schematic Manual (99739-8D100)

On a real warehouse or yard floor, a Cat GC55K moves pallet loads with an LPG-powered counterbalanced truck. I reach for this manual when a fuel fault, rough running issue, or scheduled service job has to be finished before the next rental. The LPG fuel-system work is here, and Caterpillar published it to pair with the engine service manual.

What this manual helps you do

  • Trace LPG fuel lines, tank connections, shutoff components, and related wiring.
  • Check the converter, regulator, and mixer during fuel-system service.
  • Diagnose starting, running, fuel delivery, and LPG conversion problems.
  • Follow removal, inspection, adjustment, and replacement procedures for LPG components.
  • Verify service data and schematics while returning the truck to working order.

Who this is for

This suits a warehouse maintenance tech, plant maintenance team, dealer technician, independent forklift shop, or rental fleet mechanic handling Cat LPG trucks. It is a workshop service manual for the LPG fuel trade, with the companion chassis manual also available for the truck systems, mast, hydraulics, and running gear.

FAQ

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

A: You receive a 9-publication Cat set as 106 PDF files, split by section, with 2,345 pages total. The files carry a real text layer for searching and copying, and are set up for printing and screen zooming.

Q: Which trucks and serials does it fit?

A: The cover lists GC35K, GC40K, GC45K SWB, GC45K, GC55K, GC60K, and GC70K. For GC55K, the printed coverage is AT88B-10011-up.

Q: How does it fit the job I'm doing?

A: Use it for LPG fuel-system diagnosis, scheduled maintenance, component service, and shop repairs on these Cat counterbalanced trucks. Around my shop, that means fewer surprises when a GC55K has to go back out tomorrow.

If your truck matches the listed models and serial coverage, this is the LPG manual set to put on the workshop computer and use during fuel-system repairs.

Models covered by this manual

Caterpillar publication 99739-8D100 is the factory lpg service and schematic manual for the GC55K, serial range AT88B-10011-up. The cover also lists GC35K, GC40K, GC45K SWB, GC45K, GC60K, GC70K. 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
  • 99739-94100 – 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
  • 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
  • 99739-82110 – Chassis & Mast Service Manual
    • Foreword
    • Cooling System
    • Front Axle and Reduction Differential
    • Rear Axle
    • Brake System
    • Steering System
    • Hydraulic System
    • Mast and Forks
    • Service Data
    • How to Read Circuit Diagrams
  • 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
  • 99739-82100 – Chassis & Mast Service Manual
    • Foreword
    • General Information
    • Cooling System
    • Rear Axle
    • News

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