The GM ST40-R is an electric walk-behind tractor, specially designed for local movement of semi-trailers, whether empty or full. It optimizes your loading and unloading operations by eliminating the need to wait for a road tractor. No license or qualification is required for its use. Due to its special hydraulically-lifted fifth wheel, the GM ST40-R allows trailers to be coupled and uncoupled effortlessly and without wasting time. It offers maximum efficiency and unfailing precision in each operation, while guaranteeing excellent maneuverability. Equipped with an integrated compressor to release the trailer brakes, it is designed to withstand the most demanding conditions, especially outdoors, while offering incomparable reliability. The integrated radio control ensures safe driving and simplifies its daily use.


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Transport capacity: 40 Ton Trailers

Acceptable slope for maximum load: 5% 

Max distance between two charges: 6 km

Movement speed: 4 km/h

Cooldown: 6-8 hours

Fifth wheel lifting capacity: 12 Tones

Protection index: IP 42

Radio control : Yes - Max distance 80m

Dimensions en mm (L x l x h ): 2300 x 1000 x 650

Seat height : 1000 mm

Weight : 1000 kg