130 - TRACKS 1

2 - TRACK ADJUSTER	4 - TRACK SHOES AND CHAIN	6 - TRACK SHOES	7A - TRACK CHAIN
8 - IDLER SPRING	10 - FRONT IDLER	12 - REPLACEMENT FRONT IDLER ASSEMBLY	14 - LOWER ROLLER
16 - UPPER ROLLER	18 - PROPEL MOTOR, BRAKE AND FINAL DRIVE