The model TY270 Tow tunnel railway engineering work vehicles  is a kind of diesel tractor working with TBMT Tunnel Digger and is applicable for tunnel construction and tractive working in the factory and mine. It has ideal tractive performance, steady starting, quickly speed up, little shift stroke since it adopts advanced hydraulic-mechanical transmission box. The engine adopts turbine supercharger, inter cooling, emission filter to construction and closed space.

Track gauge (mm) 900

Diameter of the wheel (mm) 760

Wheel base (mm) 2600

Servicing weight (T) 27

Max. Running speed(km/h) 50

Transmission mode Hydraulic-mechanical transmission

Max. Starting tractive effort(KN) 52

Axle arrangement B

Brake mode Air brake

Min. radius of curvature negotiated (m) 30

External dimension (mm) 6200x1650x2100..