Hydrofin DRXLM 400R (Dual Rudder Extra Large Mercruiser) for Mercruiser Stern Drives for river use

For Mercruiser Stern Drive Units

  • A dual rudder system with built in rear hydrofin, which attaches to the Stern Drive Unit using the cavitation plate
  • Clamps securely into place, without the need to drill holes into the cavitation plate, and with Rubber Strips to secure, protect and isolate
  • The Rudders allow for accurate steering and to maintain a straight course with ease
  • The river use Hydrofin Body incorporates a rear flap for added stability at slow speed
  • Speed rating is determined by the boat steering method:
    • Cable Steering up to 12 Knots
    • Hydraulic Steering over 12 Knots.

Designed specifically for the Mercruiser Stern Drive Unit.

Fitting Instructions

Simple to fit (full instructions provided, copies below); slides onto the leg, above the cavitation plate, and tighten the clamping system.

Hydrofin – fitting to Mercruiser