A heavy-duty rig has concerns a bakkie or delivery van never will — a detachable trailer that's often more valuable than the horse pulling it, a load that can spoil if a reefer unit fails, and axle loading that can mean a fine or mechanical damage if it's wrong. This guide goes beyond the basics to cover what changes once the vehicle is a heavy-duty truck.
Our general GPS tracking for trucks page covers the broad basics of truck tracking — how it differs from a car tracker, standard features to ask for, and how pricing is typically quoted. This page goes a level deeper into the concerns specific to heavy-duty operations: multi-trailer rigs, temperature-sensitive cargo, axle loading, and the rugged hardware needed to survive the conditions those vehicles actually operate in. If you haven't read the general overview yet, it's worth starting there before diving into the specifics below.
These are the concerns that come up specifically once a vehicle is a heavy-duty truck rather than a passenger car or light commercial vehicle.
A horse-and-trailer combination is really two assets, and the trailer is often the more valuable, more frequently detached one. A separate battery-powered tracking tag fitted to the trailer means you can see where it is even when it's parked away from the truck — useful for a trailer left at a client site, a depot, or in for repairs.
Refrigerated trailers carrying perishable or pharmaceutical loads need more than a location pin — a temperature probe inside the reefer unit that logs readings continuously and raises an alert the moment temperature drifts outside an acceptable range. This matters for product safety and for proving compliance if a client or regulator asks for the temperature log after the fact. Not every provider offers this as standard, so ask specifically about cold-chain monitoring when you request a quote for refrigerated work.
Overloading an axle risks a fine at a weighbridge and accelerates wear on tyres, suspension and the road surface itself. Some heavy-vehicle telematics setups can integrate with onboard weighing or air-suspension sensors to flag a load that's unevenly distributed or over the legal limit before the truck reaches a weighbridge. This is a more specialised add-on than standard GPS tracking, so confirm with a provider whether it's available for your specific truck and trailer configuration rather than assuming it's bundled in.
Long-haul operators typically want detailed trip logs, idling time and driving-behaviour reports — closer to a logbook than a simple live map. This kind of reporting can support driver hours-of-service style record-keeping, but it sits alongside, not instead of, whatever formal driving-hours compliance rules apply to your operation — the tracker gives you the data, not the compliance sign-off itself.
Weatherproof construction designed to survive dust, moisture and general wear on South African transport routes.
Units rated to operate across a much wider temperature band than a passenger-car tracker, from well below freezing to well above ambient summer heat.
Backup batteries and, on some units, solar charging keep tracking active through extended overnight stops or if the main battery is disconnected.
Telematics data export and API access so fleet data can feed into existing ERP, dispatch or accounting systems rather than living in a separate silo.
Long-distance trucks need nationwide network coverage and long battery backup for extended stops; local fleet vehicles may prioritise tighter real-time tracking and geofencing over long-range coverage.
High-value cargo justifies advanced security — remote immobilisation, tamper alerts, 24/7 monitoring. Larger fleets benefit from centralised management with bulk reporting and driver-performance analytics.
Confirm coverage across every region your trucks actually operate in, including remote areas with limited cellular signal, and use professional installation for correct placement and secure mounting on a heavy vehicle.
Trackers used on commercial vehicles need to comply with South African communications regulations, account for data-privacy considerations around driver monitoring, meet any insurance requirements for high-value cargo, and — where relevant — satisfy industry-specific rules for hazardous-materials transport.
Yes — several providers offer a separate battery-powered tag for trailers, containers or other unpowered assets, so you can see the trailer's location even when it's detached and parked away from the horse. Ask about this specifically when requesting a quote, since it's usually an optional add-on.
No. Temperature and cold-chain monitoring for refrigerated trailers is a specialised add-on rather than a standard feature, so confirm directly with a provider whether it's available and what sensor hardware it requires before assuming it's included in a general heavy-vehicle tracking plan.
Some heavy-vehicle telematics setups can integrate with onboard weighing or suspension sensors to flag uneven or excessive loading, but this is a more specialised integration than standard GPS tracking. Confirm availability for your specific configuration with the provider rather than assuming it's bundled in.
Our general truck tracking overview covers how truck tracking differs from car tracking, standard features, and how pricing is typically quoted. This page focuses specifically on heavy-duty concerns: trailer tracking, cold-chain monitoring, axle load awareness and rugged hardware built for harsher conditions.
How trackers know a vehicle has been hit, towed or moved.
Read the guideTell us about your trucks, trailers and cargo type, and we'll help point you toward providers that can quote on the features you actually need.