CAT Mining Truck Parts — 773, 777, 785, 789, 793 Off-Highway Truck Parts
How we supply these parts
Replacement parts for Caterpillar off-highway mining trucks: 769, 771, 773, 775, 777, 779, 785, 789, 793, 797 as well as the older 769C, 773B and 777C/D generations. Our range covers engine parts for the 3500 series and C-series engines, rear axle and final drive, wheel and brake groups, hoist cylinders and valves, steering accumulators, suspensions and the electrical, cooling and filtration systems.
Application & fitment
Fitment is confirmed from your machine model and serial range before anything is quoted.
Sourcing & grades
Genuine, OEM-equivalent and premium aftermarket quoted side by side — you choose.
Delivery & export
Air freight, express and sea freight with crating, weights and documents prepared by our export desk.
Quality control
Incoming inspection and dimensional checks against the original part number, photo confirmation before dispatch.
Kits & combined orders
Complete assembly kits and mixed orders with other machines to cut freight per unit.
After-sales
Fitment support, replacement on confirmed quality issues and paperwork for warranty claims.
Fitment and sourcing notes
Mining customers buy availability, traceability and repeatability. We quote against the original Caterpillar number, supply material certificates on request, and can hold agreed stocking levels so critical items are on the shelf before the next planned service.
Send your parts list with quantities and machine serial prefixes; we return one consolidated quotation showing grade, stock status and lead time for every line.
Machine models covered
Reference part numbers
| Component | Reference numbers | Confirm with |
|---|---|---|
| Rear wheel / brake group | 9W-7957 / 134-8204 / 142-8796 | Machine model + S/N |
| Final drive internal parts | 6Y-0386 / 138-3598 / 7G-3388 | Machine model + S/N |
| Hoist cylinder | 6E-5388 / 244-6234 / 4T-6301 | Machine model + S/N |
| Suspension cylinder seal kit | 9T-1048 / 149-5684 / 5T-1623 | Machine model + S/N |
| Engine overhaul parts (3512 / 3516) | 144-0702 / 9Y-9134 / 2W-8736 | Machine model + S/N |
| Radiator / aftercooler | 216-8018 / 245-9339 / 6I-4140 | Machine model + S/N |
| Turbocharger | 250-7694 / 168-5588 / 174-7125 | Machine model + S/N |
| Wheel bearing / spindle | 7G-4820 / 8X-3329 / 5P-4865 | Machine model + S/N |
FAQ
Can you supply parts for 3500-series engine overhauls?
Do you provide material or test certificates?
Do you supply to mining contractors with planned shutdowns?
How are heavy parts shipped?
Can you quote from a parts list with quantities?
Quotation within 1 hour
Send a part number, machine model or photo of the old component. We reply with grade options, unit price, crate weight, freight and lead time. No obligation, no spam.