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ABOUT
Mechanical Power Train
The Cat mechanical drive power train and power shift transmission provide
unmatched operating efficiency and control on steep grades, in poor underfoot
conditions, and on haul roads and drives with high rolling resistance.
Transmission
The Cat four-speed planetary power shift transmission is matched with the
C15 engine to deliver constant power over a wide range of operating speeds.
Robust Design
Designed for rugged underground mining conditions, the proven planetary power
shift transmission is built for long life between overhauls.
Lock Up Torque Converter
Combines maximum rimpull and cushioned shifting of torque converter drive with
the efficiency and performance of direct drive. When engaged, lock-up provides
superior power train efficiency by delivering more power to the wheels.
Lock-Up Clutch
Quickly releases and re-engages to reduce power train torque loads for smoother
shifting, long life and a more comfortable ride.
Smooth Shifting
Individual clutch modulation provides smooth clutch engagements to optimize
performance and extend clutch life.
Final Drives
Cat final drives work as a system with the planetary power shift transmission to
deliver maximum power to the ground. Built to withstand the forces of high torque
and impact loads, final drives provide high torque multiplication to further reduce
drive train stress.
Full Floating Axles
Full floating axles relieve internal stresses and increase durability. Rolled splines
also provide increased service life.
