Remanufactured Bendix Compressor. Caterpillar - Flange Mount Competitive (Remanufactured) Bendix TF501. TF501 Flange Mount - Caterpillar 3406B, Engine Drive, Port orientation viewed from rear. Includes installation gaskets. Tapered Shaft , 2-3 Tilt Product Features:Remanufactured parts are completely disassembled and wearable parts replaced providing longer life than rebuilt partsISO 9001 and MERA member certifying repeatable processesRemanufactured in the USA