Gearbox & differential repairs
Heavy-duty gearbox, transmission and differential strip-down, fault assessment, component repair and rebuild.
ALBERTON, SOUTH AFRICA
COMMERCIAL
DRIVETRAIN REPAIRS.
For 50 years, Gearboxes A-Z has kept trucks and buses moving with expert gearbox, transmission, differential and retarder repairs. Our specialised diagnostics and control unit repairs complement decades of mechanical expertise, combining proven experience with modern technology to keep your fleet working and minimise downtime.
GEARBOXESDIFFERENTIALSRETARDERS
HEAVY DUTY
KNOW-HOW.
KNOW-HOW.
GET BACK ON THE ROAD
Computer DiagnosesServicing & RepairsProgrammingExchange Replacements
WHAT WE DO
DRIVETRAIN WORK.
DONE PROPERLY.
From the first fault report through to the final checks, our focus is the hard-working components that keep commercial vehicles earning.
Automated shift & electrical
Diagnostics, fault-finding, programming and calibration for automated shift and automatic units.
Retarder repairs
Assessment and repair of hydraulic retarders that support braking performance on heavy vehicles.
Exchange units
Reconditioned gearbox and transmission units offered where a service exchange helps reduce downtime.
Clutch support
Clutch overhauls, clutch kits and actuator solutions for compatible commercial vehicles.
Workshop assessment
Practical technical guidance and a clear repair route, from initial diagnosis through final checks.
OUR BRAND APPROVALS
TRUSTED ACROSS
THE HEAVY FLEET.
Gearboxes A-Z is an approved service provider to these commercial vehicle brands.
THE WORK BEHIND THE MILESOUR APPROACH
KNOW THE FAULT.
FIX THE CAUSE.
Every job starts with understanding the failure. We assess the unit, explain the required repair and rebuild with care before it returns to service.
- Assess and diagnose
- Quote and agree the work
- Repair, check and deliver
SPECIALIST PRODUCTS & SUPPORT
PARTS THAT
KEEP WORK MOVING.
We also support commercial operators with selected reconditioned components and specialist repair kits.
ZF GS3.0 & GS3.3
Shift modulators and original-unit repair options for compatible ZF AS-Tronic applications.
Clutch actuators
Knorr-Bremse and WABCO actuator options for compatible automated manual transmissions.
Voith VR3250 & VR115
Fitment, repair and diaphragm kits for supported retarder applications.
GEARBOXES A-Z
ROOTED IN THE TRADE.
FOCUSED ON THE ROAD.
Gearboxes A-Z traces its origins to 1979 and moved to Alberton in 2007. The business was built around commercial truck and bus gearboxes and differentials, serving transport operators and dealers who need specialist support.
Trust, respect and loyalty shape our work. Our motto is simple: Do what needs to be done.
LET'S GET TO WORK
GET YOUR FLEET
MOVING AGAIN.
Tell us what the vehicle is doing and what you need. We'll help you arrange the next step.
Email the workshopCall 011 869 1732info@gearboxesaz.co.zaMon–Thu 07:30–17:00 · Fri 07:30–15:00
Visit our Alberton workshop14 First Avenue, Alberton, South AfricaOPEN IN GOOGLE MAPSACCREDITED WORKSHOP
PROVEN STANDARDS.
REAL WORKSHOP SKILL.
Gearboxes A-Z is an RMI accredited member and a MIWA 5-Star Graded Workshop. MIWA certificate AC-MI1004416 is valid until 23 July 2028.
View our MIWA certificate
