Designation:

HSWL 354

Info
Manufacturer: RENK Aktiengesellschaft  
Product type: Transmission & Drives  
Name: Transmission  

Development/Description

The Renk HSWL 354 is a hydromechanical power shift, reversing and steering transmission with four forward and two reverse gears and is installed in the Krauss-Maffei Leopard 2, Leopard 2 driver training vehicle and MaK Armoured Recovery Vehicle 3.

Operation is fully and semi-automatic and the transmission can be mounted to the engine directly or via a connecting component. Mechanical brakes are built on to the output shafts which are transverse to the input.

Propulsion drive is via a torque converter with lock up clutch, shifting and reversing gear to be shifted under load with planetary gear sets, multidisc brakes and clutches.

Steering drive is infinitely variable by a hydrostatic-hydrodynamic superimposed steering system.

The transmission brake is a combined hydrodynamic-mechanical brake system as service brake, without parking and auxiliary brakes.

The central oil supply consists of a built-in reservoir, pumps, filters and valves. A connection for the oil heat exchanger is provided.

Controls consist of an electric remote control for gearshifting and reversing; mechanical actuation of steering, service brake and emergency drive second gear forward and reverse when the current fails. Power take-off is from the two cooling fans.

Options for the Renk HSWL 354 transmission include connecting cable between gear selector, electronic control unit, transmission and vehicle, output gear-type couplings, final drives, sprocket drums and external testing device.

Status

Production. By mid-1999 well over 3,000 of these transmissions had been completed. The Leopard 2 MBT is used by Austria, Denmark, Germany, Netherlands, Spain, Sweden and Switzerland.

Specifications:
Property Value
Engine power output (h.p.)
1200
Engine power output (h.p.)
1500
Number of reverse gears
4
Number of forward gears
4
Length (mm)
1040
Width (mm)
1720
Height (mm)
780

Included in:
Product Amount
BUFFEL (Repair and recovery vehicle)
1
Leopard 2A5 (Main battle tank)
1
Leopard 2A6 (Main battle tank)
1
Leopard S122 (Main battle tank)
1
MB 873 Ka-501 (Power pack)
1



   
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HSWL 354
HSWL 354