Need truck gearbox repairs in Benoni or beyond?
JJ Gearboxes and Diffs has been sorting out commercial manual and semi-automatic truck gearboxes for 31 years. Whether it’s a full gearbox fix, diff refurbishment, or commercial truck diagnostics, we’ve got the skills to help—right here at our Benoni workshop or with mobile truck repairs across South Africa and even Africa.
Three years ago, we turned our passion for mechanics into a business that’s all about quality truck gearbox repairs, diff refurbishments, and servicing GS units for brands like ZF, Volvo, and Mercedes.
With fair prices and a knack for going the extra mile, we’ve got a 99% happy customer rate.
Our crew knows trucks like the back of their hands and always puts you first.
Top-notch truck repairs that don’t cost a fortune! we keep it real and affordable.
From East Rand to beyond, our clients love our work and keep coming back.
At JJ Gearboxes and Diffs, we’ve got 31 years of experience fixing truck gearboxes and diffs for all kinds of makes and models. We’re proud to work with some of the biggest names in the industry, ensuring top-quality repairs for your rig.
When your truck’s gearbox or diff needs fixing, JJ Gearboxes and Diffs is the name to trust. We’ve been at it for 31 years, delivering quality repairs with a personal touch
We’re not just talk—here’s what JJ Gearboxes and Diffs brings to the table for truck owners like you.
Benoni, South Africa
Got a question about your truck’s gearbox or diff? We’ve got you covered with straightforward answers. Here’s what folks usually ask us at JJ Gearboxes and Diffs—and what we tell them!
Yep, we sure can! We’ll hook up and run full diagnostics to find those fault codes and figure out what’s wrong, no matter the truck make.
Absolutely—we’re based in Benoni, but we’re super mobile. We’ll travel to sites across South Africa, even into Africa, to get your truck fixed.
You bet! We’ve helped heaps of drivers far away sort out their trucks with a quick call. If you’re stuck, we’ll talk you through it as best we can.
Not all the time, but we’re flexible. Our usual hours are Monday to Friday, but if you’re in a bind, give us a shout—we’ll try our hardest to help out.
Yes, we’ve got that covered too! We outsource the engineering bits, but it’s all part of our repair process to get your gearbox back in shape.
Got a gearbox or diff issue? We’re JJ Gearboxes and Diffs, ready to help you get back on the road. Whether you’re in Benoni or anywhere across South Africa, drop us a line—we’re here for you.
Swing by our workshop, give us a call, or shoot us an email. We’re a family crew with 31 years of fixing trucks, and we’d love to chat about how we can sort out your gearbox or diff troubles.
