If the towers are off road in rough terrain, a 4x4, 6x4 or even 6x6 truck chassis may be required.
They had substantial construction differences from the previous model and are available with either a car or truck chassis.
The Type 83 mounts a 24-round launcher on a 6x6 truck chassis.
The earlier armored car designs, such as the BA-27, were based on a truck chassis.
The vehicle was built on a military truck chassis, similar to a Humvee.
Permanently mounted on the truck chassis, the combined vehicle became known as a school bus.
The company designed a military armoured vehicle which could be constructed on a commercial truck chassis.
It would therefore not use an existing truck chassis as was common for contemporary armoured cars.
A traditional construction based on some pre-existing truck chassis was unacceptable for that reason alone.
Early buses were merely a bus body fitted to a truck chassis.