2-17. OPERATING TRANSMISSION AND TRANSFER CASE
Use Reverse (R) to move truck backwards.
Use Neutral (N) to:
Shift transfer case
Operate the LHS
Operate auxiliary equipment.
Use Drive (D) to:
Drive in normal conditions
Move forward from a stop
Drive in off-road conditions.
Use 4, 3, or 2 (Fourth, Third or Second range) to:
Drive in off-road conditions
Drive in city traffic
Drive in other conditions as needed. Refer to engine brake operation.
Selection of first range limits speed.
Use 1 (First range) when:
Maximum pulling power is required
Negotiating steep grades.