The MAN KAT1 was a family of high-mobility off-road trucks made by MAN SE. The original intention was to build a family of logistics vehicles which could carry full loads across severe terrain whilst keeping up with modern main battle tank

Main battle tank

A main battle tank , also known as a battle tank or universal tank, is a tank that fills the heavy direct fire role of many modern armies. They were originally conceived to replace the light, medium, heavy and super-heavy tanks. Development was spurred onwards in the Cold War with the development...

s.

The first model produced was 8x8

Eight-wheel drive

Eight-wheel drive, 8WD, or 8x8 is an eight-wheeled vehicle with a drivetrain that allows all eight wheels to receive power from the engine simultaneously.Some severe/extreme duty semi tractors may have this configuration...

; 6x6

Six-wheel drive

Six-wheel drive, 6WD or 6x6 is a drivetrain configuration of six wheels, all of which are driven simultaneously by the vehicle's engine. Unlike four-wheel drive drivetrains, the configuration is largely confined to off-road and military vehicles, particularly heavy-duty ones...

 and 4x4

Four-wheel drive

Four-wheel drive, 4WD, or 4×4 is a four-wheeled vehicle with a drivetrain that allows all four wheels to receive torque from the engine simultaneously...

 variants followed.

The original KAT1 evolved into the MAN SX

MAN SX

The MAN SX is a family of high-mobility off-road trucks made by MAN SE, derived from the MAN KAT1. MAN claims it is the most mobile and reliable truck on earth.There are 8x8, 6x6, and 4x4 variants. All are air-transportable by C-130 Hercules...

. A few ex-military MAN KAT1 vehicles are released onto the second-hand market in Germany.