User Manual - Page 124

For F-450 1999.

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Recommended shift speeds
Downshift according to the following charts for your specific
engine/drivetrain combination:
Maximum downshift speeds
1
5-speed transmission
Shift from: Transfer case position (if equipped)
2
2H or 4H 4L
D
(Overdrive) - 4 72 km/h (45 mph) 35 km/h (22 mph)
4 - 3 56 km/h (35 mph) 23 km/h (14 mph)
3 - 2 32 km/h (20 mph) 13 km/h (8 mph)
2 - 1 8 km/h (5 mph) 0 km/h (0 mph)
1
Use 2H or 4H for 4WD equipped vehicles.
2
Downshift at lower speeds when driving on slippery surfaces.
Maximum downshift speeds
1
6-speed transmission
Shift from: Transfer case position (if equipped)
2
2H or 4H 4L
D
(Overdrive) - 4 72 km/h (45 mph) 26 km/h (16 mph)
4 - 3 56 km/h (35 mph) 19 km/h (12 mph)
3 - 2 32 km/h (20 mph) 13 km/h (8 mph)
2 - 1 8 km/h (5 mph) 3 km/h (2 mph)
1 - LO Only shift to LO when at a stop.
1
Use 2H or 4H for 4WD equipped vehicles.
2
Downshift at lower speeds when driving on slippery surfaces.
Driving
124
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