About Tractor Units
Tractor units, also known as truck tractors, form the backbone of heavy road transport across South Africa. Designed to haul semi-trailers, they are widely used in logistics, infrastructure development, mining, and agriculture.

2022 Scania R460 Tractor Unit
Depending on their configuration, tractor units can support heavy-haul loads, fuel distribution, or specialised applications such as shunting in depots and ports. Their adaptability makes them an essential link in moving goods efficiently over South Africa’s road network, from national routes to regional corridors.
Alternative Names
- truck tractors
- prime movers
Tractor Unit Benefits
- High hauling capacity for diverse industries
- Flexible configurations for specialised tasks
- Improved operator safety and comfort features
- Designed for long-distance efficiency and uptime
- Suitable for regulated and high-risk transport sectors
Tractor Unit Applications
- Cross-country and regional long-haul transport
- Mining and infrastructure materials movement
- Petroleum and hazardous-goods distribution
- Port, rail, and warehouse shunting operations
- Agricultural and municipal fleet use
Tractor Unit Subcategories
- Heavy-haulage tractor units are built for oversized and overweight loads, these units provide stability and power for mining, energy, and infrastructure projects.
- Low-rider tractor units are characterised by lower fifth-wheel heights, these niche units handle taller loads and increase trailer compatibility for specialised freight, especially in areas with height restrictions.
- Pet reg (petroleum regulation) tractor units are configured for the transport of fuel and hazardous liquids, these units comply with regulatory requirements for safe distribution.
- Shunter tractors are compact and highly manoeuvrable, shunters move trailers within ports, warehouses, and industrial sites.
- Tractor units with cranes are equipped with lifting systems, these units assist with on-site loading and unloading.
- Tractor units with sleepers are designed for long-haul journeys, sleepers provide rest facilities to support extended operations.
- Tractor units without sleepers, often referred to as day cabs, are suited for regional or daily routes where overnight stays are unnecessary.
New Developments
- Telematics and fleet management tools for route efficiency
- Driver-assist and collision-avoidance systems are improving safety
- Alternative fuel and hybrid drivetrain options reducing emissions
- Enhanced cab ergonomics for operator comfort on long routes
Top Tractor Unit Manufacturers
Explore MarketBook South Africa to find new and used tractor units from leading brands such as Daf, Iveco, MAN, Mercedes-Benz, Renault, Scania, UD, Volvo, and other manufacturers.