Caterpillar GP35K MC Forklift Service and Schematic Manual (99719-61120)

A Cat GP35K counterbalanced truck moves palletized loads around a warehouse, plant floor, or yard. This manual is for the maintenance tech or dealer mechanic who has to put one back in service during a short repair window. It gives the workshop information needed to find faults, set systems correctly, and complete repairs safely.

What this manual helps you do

• Trace electrical circuits and wiring faults using the truck schematics.
• Diagnose power-train, transmission, brake, steering, hydraulic, and cooling-system problems.
• Follow procedures for servicing the mast, forks, axles, and hydraulic components.
• Adjust and verify truck systems using the listed service data and checks.
• Rebuild or replace engine and truck assemblies with the matching service information.

Who this is for

This suits a warehouse maintenance tech, plant maintenance mechanic, rental fleet mechanic, independent forklift shop, or Cat dealer technician. It is workshop-level information for the forklift repair trade. The operator handbook and parts catalog are companion volumes also available.

FAQ

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

A: You receive 16 PDF files totaling 349 pages, split by section, plus two separate Cat publications in the set. The files cover the truck service material and the matching engine information.

Q: Does it fit my truck variant and serial range?

A: Publication 99719-61120 covers GP35K, DP35K, GP15K, DP15K, GP18K, DP18K, GP20K, DP20K, GP25K, DP25K, GP30K, and DP30K models within the listed ET13D, ET14C, ET31A, and ET16B serial ranges. Check your truck's model and serial plate against those ranges before starting work.

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

A: Use it when you're troubleshooting, adjusting, dismantling, or rebuilding a Cat counterbalanced truck and its engine systems. Around my shop, this is the book I'd reach for when nobody else knows the truck and the repair window is limited.

If your model and serial range match, yes, this is the workshop set to use for GP35K-family truck repairs, system checks, schematics, and engine service.

Models covered by this manual

Caterpillar publication 99719-61120 is the factory service and schematic manual for the GP35K MC. The same publication covers 9 further forklift models: DP15K MC, DP18K MC, DP20K MC, DP30K MC, GP15K MC, GP18K MC, GP20K MC, GP25K MC, GP30K MC. The cover also lists GP35K, DP35K, GP15K, DP15K, GP18K, DP18K, GP20K, DP20K, GP25K, DP25K, GP30K, DP30K, GP15K,, GP18K,, GP20K,, GP25K,. Check the model and serial number on your data plate before ordering.

Table of Contents:

• 99719-61120 – Chassis, Mast & Options 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 Fork
  • Service Data
  • Options

Caterpillar Software

Caterpillar PDF Manuals