Transmission for tracked vehicles > The RK 304S is a T-configuration four speed transmission for howitzers and mainbattle tanks incorporating two radii steer system. It is water cooled and equally suitable for new developments and retrofits. RENK RK 304Sfor 60t class tracked vehicles Power Range 600 - 1,050 kW Dimensions (AxBxC)1,610 x 770 x 940 mmMaximum engine power1,030 kW (1,380 HP)Vehicle weight, typical60t classPower shift transmission4 speed forward4 speed reverseOverall ratio mechanical4.8Stall torque ratio2.5Transmission weight (dry)2,300 kg Brake systemintegrated, high performance > C B A size="-1">