Detroit Diesel V8 4.3 L Vortec 4300 V6 5.0 L Vortec 5000 V8 5.7 L Vortec 5700 V8 7.4 L Big-block V8 6.5 L Detroit Diesel V8 Transmission(s) 4-speed 700R4 automatic 4-speed 4L60-E