User Manual - Page 226

For 2004 AVIATOR.

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4x2
GCWR (Gross Combined Weight Rating)/Trailer Weight
Engine Rear axle
ratio
Maximum
GCWR-kg (lbs.)
Trailer weight range-kg
(lbs.) (0-Maximum)
4.6L 3.55 5580 (12300) 0-3311 (0-7300)
4.6L 3.73 3856 (8500) 0–1588 (0–3500)
Notes: For high altitude operation, reduce GCW by 2% per 300 meters
(1000 ft) elevation. For definitions of terms used in this table and
instructions on how to calculate your vehicle load, refer to Vehicle loading
in this chapter. Maximum trailer weights shown. The combined weight of the
completed towing vehicle and the loaded trailer must not exceed the GCWR.
In ambient temperatures greater than 38°C (100°F), it is recommended that
the maximum GCW be reduced to 5262 kg (11600 lbs) for the 3.55 axle or
3629 (8000 lbs) for the 3.73 axle. At these temperatures, vehicle speed
should be kept below 97 km/h (60 mph) during highway operation. Extended
operation above 4000 rpm should be avoided.
Towing a trailer over 1588 kg (3500 lbs) requires a 3.55 axle and a weight
carrying class III/IV distributing hitch.
Towing a trailer over 2268 kg (5000 lbs) requires a 3.55 axle and a weight
carrying class III/IV hitch with aftermarket weight-distributing equipment.
AWD
GCWR (Gross Combined Weight Rating)/Trailer Weight
Engine Rear axle
ratio
Maximum
GCWR-kg (lbs.)
Trailer weight range-kg
(lbs.) (0-Maximum)
4.6L 3.73 5580 (12300) 0-3220 (0-7100)
Notes: For high altitude operation, reduce GCW by 2% per 300 meters
(1000 ft) elevation. For definitions of terms used in this table and instructions
on how to calculate your vehicle load, refer to Vehicle loading in this chapter.
Maximum trailer weights shown. The combined weight of the completed
towing vehicle and the loaded trailer must not exceed the GCWR.
In ambient temperatures greater than 38°C (100°F), it is recommended that
the maximum GCW be reduced to 5262 kg (11600 lbs). At these
temperatures, vehicle speed should be kept below 97 km/h (60 mph) during
highway operation. Extended operation above 4000 rpm should be avoided.
Towing a trailer over 1588 kg (3500 lbs) requires a weight carrying class III/IV
distributing hitch.
Towing a trailer over 2268 kg (5000 lbs) requires a weight carrying class III/IV
hitch with aftermarket weight-distributing equipment.
Driving
226
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