Isuzu GXZ Prime Mover
The Isuzu “Prime Mover” in Kenyan markets appears to be the GXZ series (often marketed as a semi-tractor) for heavy haulage. For example, the Isuzu GXZ Prime Mover is engineered for long-haul, container transport, heavy-duty truck-and-trailer applications with engine ~7.79 litres or more, large fuel tanks, strong durability.
Performance wise: built for maximum duty, heavy loads, long-distance operations, extended durability and high efficiency. Best uses: container haulage, long-distance inter-region freight, heavy equipment transport, trailer operations. Buying wise: you should only consider the prime mover if your business involves running heavy trailers, full-fleet utilisation and you can amortise the high cost. Ensure you have access to specialised servicing, know the driver-training needs and ensure regulatory/license/trailer combinations in your region match. For many users the step up to a prime mover is significant; the pay-off is high capacity and revenue—but risk and cost are also high.
In summary: the TGXZ / GXZ Prime Mover is for the serious heavy-haul business. Only buy if your business model demands it and you have the infrastructure in place; otherwise a rigid truck may be more prudent.