Mechanical Differential Lock - New Holland T4.75F Operator's Manual

Mechanical differential lock

DANGER
Steering is difficult with the differential lock engaged. An accident could result.
During field operation, use the differential lock for traction improvement but release for turning at row
end. Do not drive at high speeds or on roads with the differential lock engaged.
Failure to comply will result in death or serious injury.
The differential allows the drive wheels to rotate at differ-
ent speeds when the tractor is on a bend.
The differential has a locking device, controlled by a
foot pedal (1) It is advisable to lock the differential in the
following situations:
• when ploughing, to prevent the wheel that is not in the
furrow from slipping;
• when one of the drive wheels is on uneven, muddy or
slippery ground and tends to slip.
To lock the differential, reduce tractor speed and press pedal (1). The differential will remain locked.
To release the lock, press one of the two brake pedals.
6 - WORKING OPERATIONS
6-3
1
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