This Baldwin BT8333 oil filter is the perfect addition to your heavy equipment. Designed to fit Caterpillar machines, this unit type oil filter is compatible with excavators and tractors alike. With a brand name you can trust, Baldwin, this filter will keep your equipment running smoothly. The model number, BT8333, ensures a perfect fit for your machine. This oil filter is new and ready to be used. Keep your equipment in top condition with this high-quality oil filter. The filter is 5.38 od and 12 3/32 length. With a thread size of 1 1/2-16.