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TOWING A TRAILER
WARNINGS
Do not exceed the GVWR or
the GAWR specified on the
certification label. Towing trailers beyond the
maximum recommended
gross trailer weight exceeds the
limit of your vehicle and could
result in engine damage,
transmission damage, structural
damage, loss of vehicle control,
vehicle rollover and personal
injury. Your vehicle may have electrical
items, for example fuses or relays,
related to towing. See Fuses
(page 129).
Your vehicle's load capacity
designation is by weight, not by
volume, so you cannot necessarily
use all available space when
loading your vehicle.
Towing a trailer places an extra
load on your vehicle's engine,
transmission, axle, brakes, tires
and suspension. Inspect these
components periodically during,
and after, any towing operation. Load Placement
To help minimize how trailer
movement affects your vehicle
when driving:
•
Load the heaviest items closest
to the trailer floor.
• Load the heaviest items
centered between the left and
right side trailer tires.
• Load the heaviest items above
the trailer axles or just slightly
forward toward the trailer
tongue. Do not allow the final
trailer tongue weight to go
above or below 10-15% of the
loaded trailer weight.
• Select a draw bar with the
correct rise or drop. When both
the loaded vehicle and trailer
are connected, the trailer frame
should be level, or slightly
angled down toward your
vehicle, when viewed from the
side.
When driving with a trailer or
payload, a slight takeoff vibration
or shudder may be present due to
the increased payload weight.
Additional information regarding
correct trailer loading and setting
your vehicle up for towing is
located in another chapter of this
Owner's Manual. See
Load Limit
(page 97). You can also find the
information in the RV & Trailer
Towing Guide. See an authorized
dealer.
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TRAILER SWAY CONTROL (If
Equipped) WARNING
Switching off trailer sway control
increases the risk of loss of vehicle
control, serious injury or death. We
do not recommend disabling this feature
except in situations where speed reduction
may be detrimental, for example
ascending a grade, and the driver has
significant trailer towing experience and
can control trailer sway to maintain safe
operation. This feature applies your vehicle's brakes
at individual wheels and, if necessary,
reduces engine power. If the trailer begins
to sway, the stability control light flashes
and a message appears in the information
display.
Action
Message
Slow your vehicle down,
then pull safely to the side
of the road and check for
correct tongue load and
trailer load distribution. See
Load Carrying
(page 97).
Trailer
sway
Reduce
speed
Note: This feature does not prevent trailer
sway, but reduces it once it begins.
Note: This feature cannot stop all trailers
from swaying.
Note: In some cases, if vehicle speed is too
high, the system may turn on multiple times
to gradually reduce vehicle speed. RECOMMENDED TOWING
WEIGHTS
Note:
Make sure to take into
consideration trailer frontal area.
Vehicles equipped with the Trailer
Tow Package or the Heavy Duty
Payload Package should not
exceed 60 ft² (5.6 m²) trailer
frontal area.
Note: Exceeding this limitation
may significantly reduce the
performance of your towing
vehicle. Selecting a trailer with a
low aerodynamic drag and rounded
front design helps optimize
performance and fuel economy.
Note: For high altitude operation,
reduce the gross combined weight
by 2% per
1,000 ft (300 m)
starting at the 1,000 ft (300 m)
elevation point.
Note: Certain states require
electric trailer brakes for trailers
over a specified weight. Be sure to
check state regulations for this
specified weight. The maximum
trailer weights listed may be limited
to this specified weight, as your
vehicle's electrical system may not
include the wiring connector
needed to use electric trailer
brakes.
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E-350 Cutaway
MaximumGCWR
Rear Axle
Ratio
Wheelbase
Rear Axle
Option
Engine
13,000 lb
(5,897 kg)
4.10
138 in (3.5 m)
Single Rear
Wheel
6.2L
4.56
18,500 lb
(8,391 kg)
4.10
138 in (3.5 m)
Single Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
138 in (3.5 m)
Dual Rear
Wheel
6.2L
17,000 lb
(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
138 in (3.5 m)
Dual Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
158 in (4.01 m)
Single Rear
Wheel
6.2L
4.56
18,500 lb
(8,391 kg)
4.10
158 in (4.01 m)
Single Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
158 in (4.01 m)
Dual Rear
Wheel
6.2L
17,000 lb
(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
158 in (4.01 m)
Dual Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
176 in (4.47 m)
Dual Rear
Wheel
6.2L
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E-350 Cutaway
MaximumGCWR
Rear Axle
Ratio
Wheelbase
Rear Axle
Option
Engine
17,000 lb(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
176 in (4.47 m)
Dual Rear
Wheel
6.8L
4.56E-350 Stripped Chassis
MaximumGCWR
Rear Axle
Ratio
Wheelbase
Length
Rear Axle
Option
Engine
13,000 lb
(5,897 kg)
4.10
138 in (3.5 m)
Dual Rear
Wheel
6.2L
17,000 lb
(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
138 in (3.5 m)
Dual Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
158 in (4.01 m)
Dual Rear
Wheel
6.2L
17,000 lb
(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
158 in (4.01 m)
Dual Rear
Wheel
6.8L
4.56
13,000 lb
(5,897 kg)
4.10
176 in (4.47 m)
Dual Rear
Wheel
6.2L
17,000 lb
(7,711 kg)
4.56
18,500 lb
(8,391 kg)
4.10
176 in (4.47 m)
Dual Rear
Wheel
6.8L
4.56
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E-450 Cutaway
MaximumGCWR
Rear Axle
Ratio
Wheelbase
Length
Rear Axle
Option
Engine
18,000 lb
(8,165 kg)
4.56
158 in (4.01 m)
Dual Rear
Wheel
6.2L
22,000 lb
(9,979 kg)
4.56
158 in (4.01 m)
Dual Rear
Wheel
6.8L
18,000 lb
(8,165 kg)
4.56
176 in (4.47 m)
Dual Rear
Wheel
6.2L
22,000 lb
(9,979 kg)
4.56
176 in (4.47 m)
Dual Rear
Wheel
6.8L E-450 Stripped Chassis
MaximumGCWR
Rear Axle
Ratio
Wheelbase
Length
Rear Axle
Option
Engine
18,000 lb
(8,165 kg)
4.56
158 in (4.01 m)
Dual Rear
Wheel
6.2L
22,000 lb
(9,979 kg)
4.56
158 in (4.01 m)
Dual Rear
Wheel
6.8L
18,000 lb
(8,165 kg)
4.56
176 in (4.47 m)
Dual Rear
Wheel
6.2L
22,000 lb
(9,979 kg)
4.56
176 in (4.47 m)
Dual Rear
Wheel
6.8L
Calculating the Maximum
Loaded Trailer Weight for Your
Vehicle
1. Start with the gross combined weight rating for your vehicle
model and axle ratio. See the
previous charts. 2.
Subtract all of the following
that apply to your vehicle:
• Vehicle curb weight.
• Hitch hardware weight, such as
a draw bar, ball, locks or weight
distributing hardware.
• Driver weight.
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•
Passenger(s) weight.
• Payload, cargo and luggage
weight.
• Aftermarket equipment weight.
The maximum loaded trailer
weight is this value or 10,000 lb
(4,536 kg), whichever is less.
Note: The trailer tongue load is
considered part of the payload for
your vehicle. Reduce the total
payload by the final trailer tongue
weight.
Note: Consult an authorized dealer
to determine the maximum trailer
weight allowed for your vehicle if
you are not sure.
ESSENTIAL TOWING CHECKS
Follow these guidelines for safe towing:
• Do not tow a trailer until you drive your
vehicle at least
1,000 mi (1,600 km).
• Consult your local motor vehicle laws
for towing a trailer.
• See the instructions included with
towing accessories for the proper
installation and adjustment
specifications.
• Service your vehicle more frequently if
you tow a trailer. See your scheduled
maintenance information.
• If you use a rental trailer, follow the
instructions the rental agency gives
you.
See
Load limits in the Load Carrying
chapter for load specification terms found
on the tire label and Safety Compliance
label and instructions on calculating your
vehicle's load. Remember to account for the trailer
tongue weight as part of your vehicle load
when calculating the total vehicle weight.
Trailer Towing Connector
When attaching the trailer wiring connector
to your vehicle, only use a proper fitting
connector that works with the vehicle and
trailer functions. Some seven-position
connectors may have the SAE J2863 logo,
which confirms that it is the proper wiring
connector and works correctly with your
vehicle.
Function
Color
Left turn signal and stop lamp
Yellow
Ground (-)
White
Electric brakes
Blue
Right turn signal and stop
lamp
Green
Battery (+)
Orange
Running lights
Brown
Reverse lights
Grey
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Hitches
Do not use a hitch that either clamps onto
the bumper or attaches to the axle. You
must distribute the load in your trailer so
that 10-15% of the total weight of the
trailer is on the tongue.
Weight-distributing Hitches
WARNING
Do not adjust a weight-distributing
hitch to any position where the rear
bumper of the vehicle is higher than
it was before attaching the trailer. Doing
so will defeat the function of the
weight-distributing hitch, which may cause
unpredictable handling, and could result
in serious personal injury. When hooking-up a trailer using a
weight-distributing hitch, always use the
following procedure:
1. Park the loaded vehicle, without the
trailer, on a level surface.
2. Measure the height to the top of your vehicle's front wheel opening on the
fender. This is H1.
3. Attach the loaded trailer to your vehicle
without the weight-distributing bars
connected.
4. Measure the height to the top of your vehicle's front wheel opening on the
fender a second time. This is H2.
5. Install and adjust the tension in the weight-distributing bars so that the
height of your vehicle's front wheel
opening on the fender is approximately
half the way down from H2, toward H1.
6. Check that the trailer is level or slightly
nose down toward your vehicle. If not,
adjust the ball height accordingly and
repeat Steps 2-6. When the trailer is level or slightly nose
down toward the vehicle:
•
Lock the bar tension adjuster in place.
• Check that the trailer tongue securely
attaches and locks onto the hitch.
• Install safety chains, lighting, and trailer
brake controls as required by law or the
trailer manufacturer.
Safety Chains
Note: Do not attach safety chains to the
bumper.
Always connect the safety chains to the
frame or hook retainers of your vehicle
hitch.
To connect the safety chains, cross the
chains under the trailer tongue and allow
enough slack for turning tight corners. Do
not allow the chains to drag on the ground.
Trailer Brakes WARNING
Do not connect a trailer's hydraulic
brake system directly to your
vehicle's brake system. Your vehicle
may not have enough braking power and
your chances of having a collision greatly
increase. Electric brakes and manual, automatic or
surge-type trailer brakes are safe if you
install them properly and adjust them to
the manufacturer's specifications. The
trailer brakes must meet local and federal
regulations.
The rating for the tow vehicle's braking
system operation is at the gross vehicle
weight rating, not the gross combined
weight rating.
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Separate functioning brake systems
are required for safe control of towed
vehicles and trailers weighing more
than 1500 pounds (680 kilograms)
when loaded.
Integrated Trailer Brake Controller (If
Equipped)
WARNING
The Ford trailer brake controller has
been verified to be compatible with
trailers having electric-actuated
drum brakes (one to four axles) and
electric-over-hydraulic brakes. It will not
activate hydraulic surge-style trailer
brakes. It is the responsibility of the
customer to ensure that the trailer brakes
are adjusted appropriately, functioning
normally and all electric connections are
properly made. Failure to do so may result
in loss of vehicle control, crash or serious
injury. When used properly, the trailer brake
controller assists in smooth and effective
trailer braking by powering the trailer
’s
electric or electric-over-hydraulic brakes
with a proportional output based on the
towing vehicle ’s brake pressure.
The controller user interface consists of
the following: A: + and - (Gain adjustment buttons):
Pressing these buttons adjusts the
controller's power output to the trailer
brakes in 0.5 increments. You can increase
the gain setting to 10.0 (maximum trailer
braking) or decrease it to 0 (no trailer
braking). The gain setting displays in the
message center.
The controller shows gain setting, output
bar graph, and trailer connectivity status
in the information display. They appear in
the information display as follows:
• Trailer Brake Controller Gain (without
trailer connected): Shows the current
gain setting during a given ignition cycle
and when adjusting the gain. This also
displays if you use the manual control
lever or make gain adjustments with
no trailer connected.
• Trailer Brake Controller Gain Output:
Displays when you push your vehicle's
brake pedal, or upon use of the manual
control. Bar indicators illuminate in the
information display to indicate the
amount of power going to the trailer
brakes relative to the brake pedal or
manual control input. One bar indicates
the least amount of output; six bars
indicate maximum output.
• Trailer Connected: Displays when the
system senses a correct trailer wiring
connection (a trailer with electric trailer
brakes) during a given ignition cycle.
• Trailer Disconnected: Displays,
accompanied by a single audible time,
when the system senses a trailer
connection and then a disconnection,
either intentional or unintentional,
during a given ignition cycle. It also
displays if a truck or trailer-wiring fault
occurs causing the trailer to appear
disconnected. This message can also
display if you use the manual control
lever without a trailer connected.
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