There were two types of Gearbox used in Land Rover Series 3’s. The original LT76 and the LT95 as fitted to the V8 powered models. Each gearbox ran in production over a long period of time. As a result they underwent many different changes. Knowing your suffix allows you do identify your gearbox correctly. Land Rover Series 3 Gearbox LT76 Prefix Identification 246 Easy change gearbox used with 4 cylinder petrol engine in one ton and other special models. Suffixes