ESM 350

Manufacturer: RENK France S.A.S.  
Product type: Transmission & Drives  
Name: Transmission  

The ESM350 is a high performance transmission developed and volume manufactured by SESM for retrofits of T-72/T-90 type vehicles. With a power range from 600 to 850kW, it features eight speeds forward and 3 speeds reverse, an infinitely superimposed steering system and a high performance braking system. It is suitable for T-72/T-90 new series as well as for upgrading program. The integration process is very easy and preserves the original silhouette of the vehicle.

Technical characteristics:

  • Powerpack design especially for T-72 vehicles and derivates

  • Manual and fully automatic power shifting

  • Mechanical emergency gear shift system

  • Electronically controlled automatic start-up clutch

  • Infinitely variable hydrostatic superimposed steering system

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

  • Integrated multi-disks service and parking brake

  • Power-take-off for T-72 genuine power units like dynamo-starter, air compressor etc..

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

  • Engine can started by towing the vehicle

Superior mobility by the addition of an automatic powershift transmission and increased engine power (up to 1150 hp):

  • Top speed of 70km/h and 23 km/h reverse, start-up on 60% slope for a 50 tons vehicle

  • Increased vehicle speeds even with inex-perienced drivers, especially in difficult terrain

  • More intelligent use of engine power and elimination of driver error thanks to the electronic transmission control

  • Increased operating range, reduced fuel consumption, reduced heat emissions

and cooling needs

Enhanced operation in hot climatic conditions due to the high performance cooling system:

  • Drastically increa sed cooling air flow compared to conventional design

  • Automatically and permanently optimized fan speed adapted to cooling needs to minimize power losses

  • Increased engine lifetime due to a more stable engine coolant temperature

  • Availability of full engine power even in extreme hot conditions

  • Option to switch off the cooling fans for special operations such as fording

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

Included in:
Product Amount
350S (Power pack)
PMC-90 (Armoured vehicle-launched bridge)
PT-91 M Pendekar (Main battle tank)
WZT-3 (Repair and recovery vehicle)

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