Ford 2001 Ranger - Recommended Shift Speeds; Upshifts When Accelerating (for Best Fuel Economy); Upshifts When Cruising (Recommended for Best Fuel Economy)

2. Engage the parking brake.
3. Shift into 1 (First).
4. Turn the ignition to Off.
Do not park your vehicle in Neutral, it may move unexpectedly
and injure someone. Use 1 (First) gear and set the parking brake
fully.
Recommended shift speeds
Upshifts when accelerating (for best fuel economy)
Shift from:
Transfer case position (if equipped)
4H 4L
1 - 2 14 km/h (10 mph) 5 km/h (4 mph)
2 - 3 32 km/h (22 mph) 11 km/h (9 mph)
3 -4 50 km/h (33 mph) 19 km/h (13 mph)
4 - 5 (Overdrive) 71 km/h (41 mph) 27 km/h (17 mph)
Upshifts when cruising (recommended for best fuel economy)
Shift from:
Transfer case position (if equipped)
4H 4L
1 -2 16 km/h (10 mph) 6 km/h (4 mph)
2 - 3 26 km/h (19 mph) 10 km/h (8 mph)
3 - 4 43 km/h (28 mph) 16 km/h (12 mph)
4 - 5 (Overdrive) 68 km/h (40 mph) 26 km/h (16 mph)
Driving
137