Model 5000 is Pre drilled for For MotorGuide trolling motors with 07 and 16 mounts. Also retro fits 01and 15 mounts. Comes with glass filled plastic mounting pads and step pad covers. Max torque is 2,604 - lb.-inch.Model 5650: is Pre-driiled For MotorGuide trolling motors with 20.5 and 21 mounts. Also retro fits 20 and 25 mounts. Comes with aluminum mounting pads.