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Faun FS 42.75/42

Tank transporter

Faun FS 42.75/42

The Faun FS 42.75/42 tank transporter is mainly used to tow the Leopard 2 MBTs

Entered service 1989
Configuration 8x6
Cab seating 1 + 3 men
Dimensions and weight
Weight (empty) 19.7 t
Maximum load ~ 56 t
Length 8.83 m
Width 3 m
Height 3 m
Engine KHD 19-liter diesel
Engine power 525 hp
Maximum road speed 72 km/h
Range ~ 800 km
Gradient (prime mover) 50%
Side slope ?
Vertical step ?
Trench ?
Fording 0.5 m


   The Faun FS 42.75/42 was adopted by the German army as the SLT-56 Franziska. It was developed to supplement the previous Faun SLT 50-2 Elefant tank transporters in service with the former West German Army. It was adopted in 1989. However some sources report that this vehicle was actually adopted in 1981. A total of 49 of these tank transporters were delivered to the German army.

   Although the two vehicles are similar in many ways the FS 42.75/42 has many improvements over the earlier model which dated its origins back to the Heavy Equipment Transporter 70 international project of the late 1960s. The later model was intended to be a relatively low cost design. It has a less powerful engine and 8x6 configuration instead of the 8x8. However the resulting Faun FS 42.75/42 had reduced cross-country mobility. This vehicle embodied experience gained since that project. This is noticeable in the transmission arrangement which combines a ZF torque converter with an automatic transmission to provide drive power to suit almost any permissible load and terrain conditions.

   The Franziska can haul loads with a maximum weight of around 56 t. The FS 42.75/42 prime mover has an 8x6 configuration instead of the 8x8 of the SLT-50-3.  It is used in conjunction with a road-friendly 6-axle semi-trailer. This combination has very limited cross-country mobility and is intended to operate on hard surface roads. It tows Leopard 2A5 and 2A6 main battle tanks. The remaining SLT 50-3s with 8x8 configuration can haul loads over rugged terrain. The Faun FS 42.75/42 is compatible with the SLT-50-3 semi-trailer and vice versa.

   The two vehicles share a similar forward control cab, with seating for the driver and three passengers; a hatch with provision for a machine gun mounting is provided in the roof. The cab also contains stowage for a number of German Army items such as tool boxes, weapon holders, signal flags and anti-skid chains. Behind the cab is a winch assembly housing a dual winch arrangement which is used for loading and unloading operations.

   For steering the two front axles are used but only the front axle is driven.

   Numerous forms of optional equipment are available for use with this vehicle, including sand tyres, but the most involved factory-built option is a full 8x8 version, the FS 42.75/48.


Faun FS 42.75/42

Faun FS 42.75/42

Faun FS 42.75/42



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