Cat D5M, D6M Track-Type Tractors Service Training Guide (SESV1684)

These D5M and D6M track-type tractors usually live in the rough stuff—dirt work, site prep, land clearing, pushing all day in dust, mud, and rock. This service training guide doesn’t just tell you what to replace; it walks you through how the systems work so you can trace a fault, isolate it, and fix the real cause. Say a machine keeps pulling left after a hard day in the cut—this is the kind of book that helps you think through steering, undercarriage, and hydraulics instead of just swapping parts and hoping.

Applications & Use Cases

• Learn how powertrain, hydraulics, and steering interact so you can check one system without screwing up another.
• Walk through step‑by‑step exercises that have you route hoses, inspect linkages, and verify adjustments before you touch a customer’s dozer.
• Build habits for clean teardown and reassembly so you can test, align, and bleed systems properly the first time.
• Use the theory sections to understand why components fail early when operators or techs skip warm‑up, cleaning, or proper inspection.
• Train newer techs to trace intermittent faults methodically instead of just clearing codes and sending the machine back out.

FAQ

Q: Is this a searchable digital manual I can keep on a laptop or tablet?

A: It’s typically available as a PDF, so you can search terms, zoom diagrams, and keep it open in the shop.

Q: Can I print just a few sections to take out to the machine?

A: Yeah, most folks print the procedures or schematics they’re working on so they don’t trash their whole copy in the mud.

Safety Note

Always verify the machine is fully supported and all stored energy is released before you get under it or crack any hydraulic lines.

Cat D5M, D6M Track-Type Tractors Index:

INTRODUCTION ……………………………………………………………………………………………………5
MODEL UPDATES………………………………………………………………………………………………….7
POWER TRAIN CONTROL SYSTEM…………………………………………………………………….18
PRIORITY VALVE ………………………………………………………………………………………………..20
TRANSMISSION CONTROL SYSTEM ………………………………………………………………….24
Control Valve Group ………………………………………………………………………………………….25
Autoshift and Auto Kickdown Modes ………………………………………………………………….29
STEERING AND BRAKE CONTROL SYSTEM ……………………………………………………..31
Electronic Steering and Brake Controls………………………………………………………………..32
Steering and Brake Control Valve………………………………………………………………………..34
Brakes Engaged ………………………………………………………………………………………………..37
Gradual Right Turn ……………………………………………………………………………………………38
Sharp Right Turn……………………………………………………………………………………………….39
IMPLEMENT HYDRAULIC PUMP AND CONTROLS……………………………………………40
Implement Control Valve……………………………………………………………………………………41
CATERPILLAR MONITORING SYSTEM ………………………………………………………………44
Air Inlet Heater …………………………………………………………………………………………………46
CONCLUSION………………………………………………………………………………………………………48
SLIDE LIST…………………………………………………………………………………………………………..49
SERVICEMAN’S HANDOUTS……………………………………………………………………………….50

Caterpillar