Caterpillar - Underground Dump Truck
CAT AD45B Rebuild
The CAT AD45B is a high-payload underground truck for large-scale ore movement. VRM Mining rebuilds the C18 engine, torque converter, 7-speed powershift transmission, hydraulics, and final drives to OEM specification.

Key specifications
Caterpillar Underground Dump Truck. Figures below reflect the platform we rebuild to OEM Zero Hour standard.
- Payload
- 45 000 kg
- Engine
- Cat C18 ACERT
- Power
- 587 hp / 438 kW
- Gross Machine Mass
- 85 000 kg
- Dump Body
- 18.0 - 25.1 m3
- Transmission
- 7-speed planetary powershift
How we rebuild it
Every CAT AD45B rebuild is stripped to bare metal, every wear item replaced, and the machine rebuilt back to OEM torque, clearance, and pressure specification - then tested and certified before it returns to service.
- Standard
- OEM Zero Hour
- Certification
- Dyno + bench test certificates
- Warranty
- 2000-hour on applicable components
- Downtime option
- Exchange / reman units where available
What we rebuild on this machine
Common questions
CAT AD45B rebuild - FAQ
Yes. VRM Mining rebuilds the CAT AD45B (Underground Dump Truck) and its Cat C18 ACERT engine to OEM Zero Hour standard, with dyno-certified engines, test certification, and a 2000-hour warranty on applicable components.
Rebuild your CAT AD45B to OEM standard
Request an assessment or send a parts enquiry and we will scope the work with you.
