HSWL 256 powershift transmission

RENK’s transmissions of the HSWL 256 type represent the state of the art, and have been selected for use in the highly sophisticated PUMA infantry fighting vehicle used by the German Bundeswehr and for the British Army’s Ajax family. The HSWL 256 transmission is based on RENK's extensive expertise as well as knowledge gained thanks to the ongoing consideration of practical experience. The HSWL 256 transmission combines a compact design with weight-optimized individual parts, guaranteeing both a long service life as well as the capability to safely move, steer and brake vehicles over a large weight range. This transmission has an outstanding track record for use in medium-weight vehicles.


HSWL 256

For tracked vehicles
35-45 t

Power range
500–800 kW (1,100 HP)

6 forward gears /
6 reverse gears

Technical data

1,540 x 765 x 825 mm
Maximum engine performance:
800 kW (1,100 HP)
Weight class:
35-45 t
Powershift transmission:
6 forward gears, 6 reverse gears
Overall gear ratio, mechanical:
Transmission weight (without oil):
1,700 kg
Brake system:
Integrated, high-performance system


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