Parts list: № Number Qty Name Options 1 T397844 2 Drive Sprocket 2 N209756 24 Screw Next page: ST889326 Zigzag Tracks, 400 mm ST884370 Zigzag Tracks, 320 mm (12.6 in) ST846340 Rubber Tracks, 400 mm Wide ST846338 Rubber Tracks, 320 mm Wide