ZF 5 and 6 Speed transmission models in stock. We offer the full line of ZF heavy, medium and light duty manual truck transmissions and parts. We pay top dollar for ZF Transmission cores. We also buy closeout and overstock ZF Parts. One call does it all 877-776-4600. International shipping, same day service. ZF Transmissions in 5 and 6 Speed for sale for Ford trucks, F 150, F 250, F 350, F 450, F 550 and F 650.