Aebi TT77
1 model in this series
Aebi TT77 (Terratrac) – Swiss carrier vehicle for mountain farming: water-cooled four-cylinder engine with 1,760 cm³ displacement, 30 kW/40 hp at 3,000 rpm and 1,325 kg unladen weight
Aebi is a Swiss manufacturer based in Burgdorf in the canton of Bern, specialising in transporters and carrier vehicles for farming on steep terrain. At Aebi, the Terratrac range stands for compact, agile machines built for work where ordinary field tractors reach their limits; the TT77 belongs to this range of small to mid-size carrier vehicles.
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The TT77 is powered by a water-cooled four-cylinder engine with 1,760 cm³ displacement, producing 30 kW or 40 hp at 3,000 rpm. The machine is 3,050 mm long, 1,900 mm wide and 1,790 mm high, has a wheelbase of 1,630 mm and an unladen weight of 1,325 kg; its design top speed is 25 km/h.
At this top speed, the TT77 falls into driving licence category L, which is sufficient for tractors up to 40 km/h. As a carrier vehicle it is built for use on steep slopes, where compact dimensions and a low centre of gravity matter more than a high road speed; diesel fuel and a comparatively simple drivetrain characterise this class of mountain tractors.
When buying one of these carrier vehicles used, check the condition of the steering knuckles and joints, the tightness of the cooling system, and the chassis and implement mounting plates for distortion from slope work; parts are supplied by agricultural machinery dealers specialising in Aebi in Switzerland and southern Germany.
Sources: SpecCodex-Register: Kennwerte des Modells Aebi Terratrac TT77, Aebi (manufacturer)
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Tractor in 3D section
Turn the model, look inside and click an assembly — each one is explained.