[1] The six-wheel drive lorry with payload of 12,000 kg was developed for pulling of heavy cannons of the Finnish Defence Forces.

[2] The Sisu SA-150 medium size off-road lorry turned out to be too weak to pull the heaviest, domestic made cannons of the Finnish Defence Forces.

[3] The first two prototypes, called SA-180, were powered by turbocharged Valmet 611 engines with a maximum output of 180 kW.

[1] The transmission, made by ZF, was equipped with a torque converter which enabled flexible driving on road and terrain.

[1] After field tests were completed the engines were replaced by 10-litre Cummins diesels and the model code was changed to SA-240.

The vehicle was built with an extra long wheelbase and equipped with a detachable anti-ship missile system MtO 85.

During peacetime however, the maximum number of passengers is limited to 16 due to the space required by the seating modules which must be used during personnel transport.