MASTER TRAX - MASTER TRAX UNDERCARRIAGE PARTS 0130 Parts group UNDERCARRIAGE PARTS 0130 UNDERCARRIAGE PARTS 0130 . CASE 450-475 PITCH=5.875"-LINK HEIGHT=80MM-BUSHING OD=44.45MM-1/2"HARDWARE SERIAL NUMBERS 450 TO 305 CASE 450-475 PITCH=5.875"-LINK HEIGHT=80MM-BUSHING OD=44.45MM-1/2"HARDWARE SERIAL NUMBER 450 TO 3050 CASE 450A-450B-450C-455B-455C PITCH=6.00"-LINK HEIGHT=88.9MM-1/2"HARDWARE 450A (36LK) 305081 UP 450C CASE 450A-450B-450C-455B-455C PITCH=6.00"-LINK HEIGHT=88.9MM-1/2"HARDWARE 450A (36L) 305081 UP 450C CASE 450A-450B-450C-455B-455C PITCH=6.00"-LINK HEIGHT=88.9MM-1/2"HARDWARE 450A (36L) 305081 UP 450C CASE 750-800-850B-850C-850D-1000D-1150 PITCH=6.25"-LINK HEIGHT=94MM-9/16"HARDWARE BUSHING O.D. = 2.0 CASE 750-800-850B-850C-850D-1000D-1150 PITCH=6.25"-LINK HEIGHT=94MM-9/16"HARDWARE BUSHING O.D. = 2.1 CASE 750-800-850B-850C-850D-1000D-1150 PITCH=6.25"-LINK HEIGHT=94MM-9/16"HARDWARE 750-800-800B-800C- CASE 750-800-850B-850C-850D-1000D-1150 PITCH=6.25"-LINK HEIGHT=94MM-9/16"HARDWARE 750-800-800B-800C- CASE 1150D-1150DLGP-1150E-1155D-1155E PITCH=6.687"-LK HEIGHT=104.5MM-5/8"HARDWARE-BUSHING O.D.=2.312 CASE 1150D-1150DLGP-1150E-1155D-1155E PITCH=6.687"-LK HEIGHT=104.5MM-5/8"HARDWARE-BUSHING O.D.=2.312 CASE 1150D-1150DLGP-1150E-1155D-1155E PITCH=6.687"-LK HEIGHT=104.5MM-5/8"HARDWARE-BUSHING O.D.=2.312 CASE 1450-1450B-1450BLGP-1455B-1550-1550LGP PITCH=7.984"-LK HEIGHT=121.4MM-3/4"HARDWARE-BUSHING O.D. CASE 1450-1450B-1450BLGP-1455B-1550-1550LGP PITCH=7.984"-LK HEIGHT=121.4MM-3/4"HARDWARE-BUSHING O.D. CASE 1450-1450B-1450BLGP-1455B-1550-1550LGP PITCH=7.984"-LK HEIGHT=121.4MM-3/4"HARDWARE-BUSHING O.D.