Ford F-150 Owner's Manual page 194

Your vehicle may tow a class I, II,
III or IV trailer provided the GCWR
is less than or equal to the
Wheelbase
Driveline
Two-wheel
drive
Four-wheel
drive
Two-wheel
drive
F150 (TF6) , enUSA
Towing
Regular cab
Engine
(inches)
126
126
145
maximum trailer weight listed for
your engine and rear axle ratio on
the following charts.
Axle ratio
4.10
*
3.5L
3.55
3.7L
3.73
3.31
5.0L
3.55
4.10
*
3.5L
3.7L 3.73
3.55
5.0L
3.73
3.15
3.31
3.5L
3.55
191
Maximum
GCWR
13300 lb
(6033 kg)
10400 lb
(4717 kg)
11500 lb
(5216 kg)
12900 lb
(5851 kg)
13300 lb
(6033 kg)
13300 lb
(6033 kg)
11500 lb
(5216 kg)
12900 lb
(5851 kg)
13300 lb
(6033 kg)
14000 lb
(6350 kg)
14900 lb
(6759 kg)
15000 lb
(6804 kg)