I recently ordered a new MH40 directly from Marlow Hunter. Among the many questions I had, I asked for information about the dual helm steering system. I had concerns about the cable and chain dual helm systems I have seen on other boats. I was told that the MH40 uses a Lewmar Mamba steering system that consists of hard mounted gear boxes, torque tubes and universal joints, the same system used on high end ocean sailing yachts (including Oyster and Halberg Rassy). The Lewmar information MH sent me included a cross-reference table of Boat Models with Lewmar part numbers. The table indicated that the Hunter 45CC has a Mamba steering system with their Integra Autopilot drive.
The Mamba system is BY FAR the best steering system on the market. It astounds me that Hunter installs it as standard, as it costs 3x the price of cable .
Advantages are:
No slack & slop
Very easy to mount autopilot motor.
Will not loosen up over time like cable
On a dual helm system, the cable systems have very long cable lengths, which continually stretch. If you try & tighten them, it destroys the idler pulleys.
On a cable system, if the cable snaps, you are screwed. The mamba is completely independent port & stbd gear boxes & link arms.
In summary, it is a fantastic system