RK 304S powershift transmission

Proven many times over, this transmission offers cutting-edge technology for the coming decades as well. It guarantees the ultimate mobility, performance, and acceleration of the vehicle on any terrain. The electronically controlled automatic transmission relieves the crew in difficult operating conditions. The result is optimal driving characteristics in conjunction with the sophisticated brake system. Due to its extraordinary reliability, it contributes to the survivability of the vehicle and, most importantly, its crew.


RK 304S

For tracked vehicles
50–70 t

Power range
650–1,050 kW (1,400 HP)

4 forward gears /
4 reverse gears

Technical data

1,690 x 1,000 x 940 mm
Maximum engine performance:
1,050 kW (1,400 HP)
Weight class:
50–70 t
Powershift transmission:
4 forward gears, 4 reverse gears
Overall gear ratio, mechanical:
Transmission weight (without oil):
2,300 kg
Brake system:
Integrated, high-performance system


Other products

Vehicle transmissions

HSWL 295

The HSWL 295 is extremely compact thanks to the installation of the engine across the vehicle and the U-configuration of the power pack. This transmission fulfills the highest requirements and has an excellent track record in extreme conditions.

Go to product

Vehicle transmissions

HSWL 354

The HSWL 354 is a tried-and-tested and reliable transmission, as proven by its use in the Leopard 2 combat tank as well as in family vehicles.

Go to product

Vehicle transmissions

ESM 500

The ESM 500 is an outstanding transmission for modern combat tanks. It features a high-performance braking system with a secondary retarder and carbon friction brakes.

Go to product

Vehicle transmissions

ESM 350

The ESM 350 is a high-performance transmission that was developed by RENK for installation in T type combat tanks, and is also produced in series by RENK.

Go to product

Relevant industries


Armored vehicles

Drive technology and test systems for tracked vehicles. Uncompromising functionality and quality.

Go to industry

Your contact person