An image of an Allison Transmission X1100 Series transmission

X1100 Series™

Allison Transmission’s X1100 Series™ is designed for heavy-tracked combat vehicles up to 45,359-63,503 kg (100,000-140,000 lbs.) and can accept either a diesel or turbine engine with ratings up to 1,120 kW (1,500 hp). The X1100 Series is equipped with four forward ranges, two reverse ranges and a cross-drive design that integrates steering and braking into one compact rugged unit. With fully-electronic controls for use with modern engines, a torque converter with an automatic lock-up clutch for smooth and efficient starts and stops, and full-power hydrostatic steering, the X1100 Series provides unrivaled reliability and durability.


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