The WF trac is a skidder made by Werner Forst & Industrietechnik Scharf. It was developed from the MB-trac in the 1990s.
Models
First series WF trac
WF trac 900 (92 PS (68 kW))
WF trac 1100 (105 PS (77 kW))
WF trac 1300 (136 PS (100 kW))
WF trac 1500 (150 PS (110 kW))
WF trac 1700 (177 PS (130 kW))
Second and current series WF trac
The WF trac is now produced both in a 4x4 and a 6x6 version. Its maximum road speed is 50 km/h (31 mph) in the 4x4 and 40 km/h (25 mph) in the 6x6 variant.[1]