Caterpillar DP20CND Forklift Service Manual (99719-38210)

This is the service manual for a Cat DP20CND diesel counterbalanced forklift, the truck moving pallets and materials around a warehouse or plant. Plant maintenance techs, dealer technicians, and rental fleet mechanics use it when a truck needs fault-finding or repair during a short shop window. If your truck is a DP20CND in the listed serial coverage, the answer is yes.

What this manual helps you do

• Trace starting, charging, and truck electrical circuits.
• Diagnose diesel engine, power train, transmission, brake, steering, and hydraulic faults.
• Follow procedures for mast, forks, axles, and hydraulic component service.
• Check adjustment points, service data, and troubleshooting guidance before returning the truck to work.
• Rebuild or replace truck assemblies with the correct removal, inspection, and installation sequence.

Who this is for

This suits a plant maintenance technician, warehouse maintenance tech, dealer technician, independent forklift shop, or rental fleet mechanic. It is the workshop trade manual for repairing this Cat diesel truck. The engine service manual and operator handbook are companion volumes also available for engine internals and daily operation.

FAQ

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

A: You receive 16 PDF files split by section, with 624 pages total. The files have a real text layer, so you can search and copy text, print pages, and zoom in on screen.

Q: Which trucks and serials does it fit?

A: It covers Cat DP20CND trucks with serial coverage CT25C-55001-up, CT34-52001-up, CT25C-75001-up, CT34-72001-up, CT34-22001-up, and CT17D-10001-up. Match the truck identification before starting work.

Q: How does it fit the repair job?

A: Use it for workshop diagnosis, adjustments, electrical testing, hydraulic work, drive-unit repairs, mast service, and planned maintenance. It gives a mechanic a proper reference when the truck arrives without usable documentation.

With the correct DP20CND serial coverage, this manual gives you the repair procedures and service data needed to plan and complete the job safely.

Models covered by this manual

Caterpillar publication 99719-38210 is the factory service manual for the DP20CND. The same publication covers 24 further forklift models: DP15ND, DP15NDS, DP15NT, DP15NTS, DP18ND, DP18NDs, DP18NT, DP18NTS, DP20CNDS, DP20CNT, DP20CNTS, DP20ND and 12 more. The cover also lists GP15N, GP15ZN, GP18N, GP18ZN, GP20CN, GP20N, GP20ZN, GP25N, GP25ZN, GP30N, GP35N, GPE15N, GPE18N, GPE20CN, GPE20N, GPE20ZN. Check the model and serial number on your data plate before ordering.

Table of Contents:

• 99719-38210
  • Foreword
  • General Information
  • Cooling System
  • Electrical System
  • Controller
  • Power Train
  • Clutches
  • Manual Transmision
  • Powershift Transmission
  • Front Axle And Reduction Differential
  • Rear Axle
  • Brake System
  • Steering System
  • Hydraulic System
  • Mast And Forks
  • Service Data

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