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3-66
435/485/535
Differential Lock (optional front & rear)
The tractor may be factory equipped with an
electronically controlled front and rear axle differential
lock. This will provide additional tractive effort on
hillsides or wet ground. The switch (1) is a three
position momentary switch located on the right
console. To activate, push and hold for two seconds the
front of the switch. An indicator light will illuminate
on EIC (2). The differential lock can be locked when
the tractor is moving or stopped.
IMPORTANT: Do not engage the differential lock when
the tractor wheels are spinning or when the wheels are
turning at different speeds, such as an end of the field
turn. Drivetrain damage may result.
To disengage the differential lock, push the rear of the
switch down until the indicator light on the EIC turns
off. Depressing the brake pedal will also disengage the
differential lock.
Disengage the differential lock when not required, such
as during high speeds and road travel, turning and
parking, or when additional traction is not needed.
CAUTION: DO NOT USE THE DIFFERENTIAL LOCK
WHEN DRIVING THE TRACTOR ON ROADS OR
STEERING MAY BE IMPAIRED.
F3-73
1
F3-35
2
Section 3 - Operation
Transmission Operation