Komatsu D45P-1 Bulldozer Operation and Maintenance Manual (D45P1AE1)

On a D45P-1 working in mud, soft ground, or on slope work, this Operation and Maintenance Manual is what I keep nearby to run the machine day after day without surprises. It walks you through how to operate the dozer correctly and then lay out a steady maintenance rhythm so you’re not guessing. If, for example, the machine starts steering unevenly after a week in wet clay, this is what I’d use to trace basic checks, verify operating steps, and decide if it’s an adjustment or time to call in deeper service.

Applications & Use Cases

Plan daily walk-arounds so you catch loose hardware, leaks, and track issues before they turn into downtime.
Set up a realistic service schedule that matches your job conditions instead of running the dozer until something fails.
Verify operating procedures for blade work on soft or uneven ground to keep the machine stable and productive.
Trace small performance changes—hard starting, sluggish response—back to simple checks you can do in the field.
Train new operators so they don’t abuse the machine and you keep wear and fuel use under control.

FAQ

Q: Can I keep this manual on a tablet in the cab?

A: Yes, as long as the file is readable offline; just protect the device from vibration, dust, and moisture.

Q: Is it worth printing certain pages?

A: I’d print the daily checks and basic maintenance procedures and laminate them for quick reference at the machine.

Safety Note

Always follow the manual’s safety instructions before inspecting, adjusting, or working around a running machine.

Komatsu D45P-1 Bulldozer Index:

INTRODUCTION
INSTRUMENTS AND CONTROLS
CHECK BEFORE STARTING
STARTING AND STOPPING THE ENGINE
SAFETY
DRIVING
BLADE OPERATION
PERIODICAL MAINTENANCE
EVERY 50 HOUR SERVICE OPERATION
EVERY 250 HOUR SERVICE OPERATION
EVERY 500 HOUR SERVICE OPERATION
EVERY 1000 HOUR SERVICE OPERATION
EVERY 2000 HOUR SERVICE OPERATION
ADJUSTMENT
LIST OF PERIODICAL
MAINTENANCE
TROUBLE SHOOTING GUIDE
COLD WEATHER OPERATION.
STORAGE
SERVICE METER
MACHINE AND ENGINE MODEL SERIAL NUMBERS
SPECIFICATIONS
FUEL AND LUBRICANT