Operation Description
26
2.9 Differential Lock Operation
If the tractor should become stuck or should one rear drive wheel
slip, you can lock in the differential and connect the right and left
drive shafts Step on main clutch pedal, and shift the high/low shift
lever into the low range.
1. Move the throttle control lever to the high speed position.
2. Step on the differential pedal.
3. Release the clutch pedal smoothly for stable operation.
4. After getting unstuck or stopping the skid, the differential lock
will automatically release.
IMPORTANT ISSUES: Never use the differential lock when driving the tractor normally as this can cause
damage to components and accelerate tire wear.
2.10 Front Drive Axle Use
The NorTrac 40XT and 50XT series of 4-wheel drive tractors can be used for normal operations in the field and
on wet and soft soil. If only rear wheel drive is used, the traction may be insufficient. When this happens,
connecting the front drive axle will increase the traction of the tractor and reduce the slippage. In order to
connect and disconnect the front axle, the following operation sequence should be followed:
Connecting the Front Drive Axle
Step on the main clutch pedal. Put the tractor in a low forward gear. Release the clutch pedal slowly. After the
tractor moves a little, immediately pull the front drive axle control handle backward to change the two-wheel
drive into four-wheel drive.
Disconnecting the Front Drive Axle
Step on the clutch pedal. Push the front drive axle control lever forward to disconnect the front drive axle.
IMPORTANT ISSUES: When driving the tractor on a hard-surface road, never connect the front drive
axle. Engaging the front drive axle will cause front wheel wear and tear and increase fuel consumption.
The front drive axle should only be connected on roads when the road surface is slippery or when climbing a
steep slope on rainy and snowy days. Once the tractor is back on a stable surface or past the obstacles,
disengage the front drive axle.
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