Marine gearbox spares and gearbox accessories for PRM gearboxes. If you own a marine engine, then the chances are that you have a marine gearbox bolted to the back of it. Unlike a standard car gearbox, most marine gearboxes are single ratio only, offering the means to go ahead (forward), neutral, or astern (backwards). Speed is usually controlled by the engine revs. PRM marine gearboxes are hydraulically operated with 'get you home' device, except for the PRM 80 and PRM 120 gearbox models which feature mechanical clutches.
Marine gearbox spares and gearbox accessories for PRM gearboxes. If you own a marine engine, then the chances are that you have a marine gearbox bolted to the back of it. Unlike a standard car gearbox, most marine gearboxes are single ratio only, offering the means to go ahead (forward), neutral, or astern (backwards). Speed is usually controlled by the engine revs. PRM marine gearboxes are hydraulically...
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