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Track Renewal And Maintenance Machine (TRAMM)Photo © JKeohane

The SDR has recently taken delivery of a Plasser GP TRAMM - Track Renewal And Maintenance Machine No DR98210 arrived on the railway 30th August 2012 from Amey Railways Ealing. The vehicle consists of a self-propelled 4 wheeled tractor and trailer coupled together, with a driving cab at each end. At the rear of the tractor there is a hydraulic crane capable of lifting ¾ tonne at 6.5m radius or 2½ tonnes at 2m radius. Whilst the crane is being operated, it is possible to drive the machine from the crane cab. The machine is also capable of carrying 7 tonnes of materials loaded on the tractor unit, and a further 10 tonnes of materials loaded on the trailer. It is powered by a Rolls Royce 265 hp ‘Eagle’ 6-cylinder turbocharged diesel engine that drives a Twin Disc TDCM-511R powershift gearbox, which in turn drives both axles on the tractor unit through a differential splitter gearbox. A vane type triple pump driven by a PTO on the gearbox supplies the hydraulic pressure for the crane.

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© South Devon Railway Trust 2012

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