LEGO Technic John Deere 948L-II Skidder 42157 contains 1,492 pieces and recreates a John Deere forestry skidder. The model features steering, 4-wheel drive and an engine with moving elements. A pneumatic system operates the rear grapple with three different movements, the front blade and the rotating seat. The build also recreates the large tyres and articulated structure typical of this kind of forestry machinery.