2026-08-12 · Mr Hannes Nieuwoudt
Single versus tandem on SA roads
When a second axle buys calm and when it only adds tyre cost.
Single axle or twin axle choice
When a second axle buys tyre control and when it only adds tyre cost. Mr Hannes Nieuwoudt sends this note from our Germiston office, with input drawn from showroom hours at second-tier malls. It is written for crews who can feel how a bakkie hitch differs from a photo.
On Gauteng tar with a light utility body, a single axle is often easier to place, reverse and maintain. Add heavier loads, rough yard entries or long stretches on patched regional roads, and a tandem starts spreading weight across four tyres instead of two. That changes how the trailer settles over joints, potholes and corrugations behind a bakkie.
Pair this note with a trailer under Trailers and a haul under Hauls. The catalogue is a road equipment supplier operated by Astros Marketing (Pty) Ltd. Once your plate numbers and hitch height are ready, send them through our contact form.
Yard checks before the gate
- Load mass suits the axle set-up
- Drawbar sits level behind the tow vehicle
- Tail lamps stay visible through dust
- Tie-down points match machine or cargo
- Spare wheel matches size and PCD
Soft gravel entrances around plots and smallholdings can catch a heavily loaded single axle where a tandem spreads the bite better. Down toward the coast, salt spray and wet shoulders make brake and bearing checks more important after the trip home. On Highveld mine roads, dust works into hubs, so cap condition and grease lines deserve attention.
Road manners on SA routes
A single axle usually turns tighter in cramped Germiston yards and wastes fewer tyres when the trailer sees short hops with moderate payloads. Tandems suit longer runs where the deck carries equipment, water tanks or building stock that would leave one axle working too hard over broken surfaces. Crossing bridge joints and repaired tar sections, the extra axle can reduce the sharp kick felt through the hitch.
Tyre scrub is the trade-off with tandem layouts, especially during tight reversing into workshop bays or mall service lanes. Singles are simpler to inspect because there are fewer hubs, tyres and brake parts to compare side to side. Even so, one overloaded single can run hotter and wear faster than a correctly loaded tandem.
Compare other axle guides under Axles before choosing a deck for your route and payload. Parts lists and fitment packs sit in Kits if the trailer needs matching running gear. Walkaround photos in Gallery show wheel placement, mudguard clearance and deck length on different bodies.
Questions worth sending with photos
Attach the coupling photo and the GVM plate shot. Name the route. Name the tow vehicle. That is how our contact form answers without a long chain. The office sits in Germiston with Astros Marketing (Pty) Ltd at 2 Makro Place, Sunnyrock 1401.
Include the tow vehicle, the load type and a side photo showing whether the trailer rides nose-up or level. A picture of tyre wear across each wheel also helps when deciding if a single axle is enough or if tandem support would suit the route better.
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