Cummins MerCruiser Zeus

MerCruiser's answer to Volvo Penta's equally dramatic IPS system but with some distinguishing differences.

Is it ostentatious to name a propulsion device for a Greek god? After driving Zeus, we think not. A masterful combination of Quantum diesels that can push up to 550 hp each, plus a computerized control system with CAN-bus plug-and-play installation and underwater drive units that turn independently, give such indescribable control anybody can pilot it like a god.

It's MerCruiser's answer to Volvo Penta's equally dramatic IPS system but with some distinguishing differences. First, "Skyhook" integrates GPS signals with autopilot and holds the boat in position and compass alignment as long as required. A meaty joystick lets the captain control the device at his whim.

As with the Volvo Penta IPS, the propellers are fixed in a horizontal plane, efficiently applying thrust forward — not upward thrust as standard inboards do. Each drive turns independently 60 degrees to give the control we experienced. Propeller drives fit in hull tunnels to reduce draft. Unlike on the IPS system, the props are turned backward; MerCruiser claims the setup offers more protection against impact than the competition's setup. Trim tabs are integrated into the Zeus system, and they decrease bow rise.

Efficiency and acceleration are the gods of boating. Zeus is an enormous improvement over standard inboard propulsion.

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