Workshop and Service

Our facility includes a bench workshop which has the capacity to service almost any heavy vehicle transmission and diff. The workshop facility includes a vast array of specialized tools and machines to provide a comprehensive service. Our machining and welding facility can perform repair work as required.

Our Mechanics and Machinists have had extensive training in servicing transmissions and diffs. They have accumulated a wealth of knowledge in remanufacturing transmissions and diffs to suit North American, European and Japanese trucks and buses. This enables us to confidently service any manual truck transmission or diff in the Australian market.

Sales and Service

Our sales staff are extensively knowledgeable and able to answer any enquiry regarding your driveline. The sales team is only too happy to provide quotations on any parts requirements you have. We also offer a free strip and quote service to remanufacture your transmission or diff.  Our network of suppliers from around the world allows us to gain access to virtually any part you need to get you back on the road.

We have Australia's most comprehensive range of parts in stock, in our Sydney warehouse to service your driveline needs.  Our sales team know how important your truck is to you and that you cannot afford to have your vehicle off the road. To help reduce your down time, if we receive your American transmission or diff by mid morning we offer a same day service on remanufacturing your unit. Or for an even quicker service we can spec one of our remanufactured exchange units to get you back on the road.
That's why Truck Transmissions KEEPS TRUCKS TRUCKING


Truck Transmissions gives a six month unlimited kilometre warranty on all of our re-manufactured transmissions and differentials.  Manufacturers warranties apply to any new parts sold.
N.B. Full warranty conditions are disclosed on the back of our invoices.

Diff Ratio and Road Speed Calculator

A handy tool that calculates road speed for different diff ratios using the transmission final ratio, the tyre specifications and the RPM. Click to download: Diff Ratio and Road Speed Calculator.