We supply wheels for underground infrastructure projects with tunnel boring machines for all diameters and all applications, from railway, metro and road construction to supply and disposal, pipe- lines, hydropower and mining; We have been providing wheels, castors The tunnel boring machine with 400 x 152 mm Vulklthan ® press-on types 16 press-on types were used per swivel arm and four press-on tyres per wheel. With profile-adjusted press-on tyres, high load capacities were reached with low area loading.