Subaru 2003 Forester Owner's Manual page 385

Driving tips
and trailer are acceptable.
T Total trailer weight
Total trailer weight
The total trailer weight (trailer weight plus its cargo
load) must never exceed the maximum weight shown
below.
8-26
Model
MT models
AT models
HS8016AA
Conditions
When towing a trailer
without brakes.
When towing a trailer with
brakes.
When towing a trailer
without brakes.
When towing a trailer with
brakes.
When towing a trailer on a
long uphill grade
continuously for over 5 miles
(8 km) with an outside
temperature of 104° F
(40° C) or above.
Maximum
total trailer
weight
1,000 lbs
(453 kg)
2,400 lbs
(1,087 kg)
1,000 lbs
(453 kg)
2,000 lbs
(906 kg)
1,000 lbs
(453 kg)