Komatsu D475A-5E0 Operation & Maintenance Manual page 190

OPERATION
OPERATION
MAKING SHARP TURNS TO LEFT WHILE TRAVELING FORWARD
If the joystick is pushed forward and moved fully to left (L), the
steering clutch is disengaged, the brake is applied, and the
machine turns sharply to the left.
REMARK
When making sharp turns to the right, push the joystick forward,
and move it fully to the right.
Do the same when traveling in reverse.
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