 The MB-764 was the first launch tractor designed and developed in conjunction with the RNLI to launch the institutions smaller inshore inflatable lifeboat fleet.Clayton’s based the design of the MB-764 on tried and tested reliable "County Commercial Cars" conversions of a Ford tractor, which they marinised and modified to allow the tractor to wade safely to a depth of 
in calm water.At the design and development stage the company presented two Prototype models.