 The wheels could be fitted with detachable grousers designed by the Italian major Crispino Bonagente for traction on soft ground and these consisted of eight rectangular plates connected with elastic links and are visible in many photographs of World War I artillery from all of the combatants.The second wagon load was for the wooden base and the steel rails for the firing platform.This was also towed by an artillery tractor and then reassembled once a spot had been leveled and the wooden firing base had been assembled.