Part Number:20R-4561,20R4561,CA20R4561,396-9626,3969626,CA3969626,0445120371,0 445 120 371,0445120520,0445 120 520,0445120382,0 445 120 382,T413609,T4 13609Application:Fit for following models:Caterpillar CAT Wheel Type Skidder:535D,545D,555DCaterpillar CAT Wheel Type Loader:950 GC,950L,950M,962,962L,962MCaterpillar CAT Earthmoving Compactor:816K,815K,815,816Caterpillar CAT Excavator:330,333,330 GC,330D2,336 GCCaterpillar CAT Wheel Dozer:814K,814Caterpillar CAT Track Type Loader:963KCaterpillar CAT Generator:LC31XX,LC51XXCaterpillar CAT Asphalt Paver:AP-1055F,AP1055