CAT chassis / belt 370-4381 – 1 piece 1 CAT underframe / belt wool is sold. Original CAT Part with Part Numbers 370-4381. Type: Underroll / Belt (Track Roller) Execution: Single flange / Single Flange CAT Parts: 370-4381 Number: 1 paragraph State: Used Rolling diameter: approx. 200 mm Mount width: approx. 299 mm Suitable for, inter alia: CAT 345D L, 349D, 349/D L and 349 D2, 349d2 L, 349E L, 3,349F L and 352F. The part number is also listed on individual CAT 325D FM, 345C MH, 548, 558 and 568 FM variants. The purchaser himself has to check that part number 370-4381 fits the current machine and serial number.