ESM 500

Manufacturer: SESM  
Product type: Transmission & Drives  
Name: Transmission  

The ESM500 is a fully automatic transmission for 60t class tracked vehicle. With a power range from 750 to 1200kW, it features five speeds forward and two speeds reverse. It is equipped with a high power braking system with secondary retarder and carbon friction brakes.

The ESM500 is volume produced since 1991 and currently equips the French MBT Leclerc.

Technical characteristics:

  • Powerpack design

  • Manual and fully automatic power shifting

  • Mechanical emergency gear shift system, able to automatically shift two gears forward and reverse

  • Torque converter with automatic lock-up clutch

  • Infinitely variable hydrostatic superimposed steering system

  • Pivot turn and neutral turn on the spot at infinitely variable speed

  • Hydrodynamic/mechanical dual circuit integrated brake system

  • Secondary side heavy duty retarder for service and sustained braking action

  • High power mechanical carbon service brake separately mounted

  • Service and parking brake

  • Power-take-off for fan drive with fully digital speed control and cut-off

Property Value
Height (mm)
Width (mm)
Length (mm)
Weight (kg)
Number of reverse gears
Number of forward gears
Engine power output (h.p.)

Included in:
Product Amount
Leclerc (Main battle tank)
Type 90 (Main battle tank)

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ESM 500
ESM 500
ESM 500