He cut up a perfectly good Dixon zero turn mower for the engine and drive. Brought new rubber tracks, sprockets, front idler rollers and bottom rollers that measured 1/3 scale. The hydraulics for the blade rams are powered by a 12 volt hydraulic power pack all new. The rest was manufactured in the shed at Woodenbong. The bonnet and radiator guard are 3ml plate pressed into shape in my fathers 30 tonne press he and I built years ago.