FORD 2010 Flex v.2 - Manual (Page 248)

FWD
GCWR (Gross Combined Weight Rating)/Trailer Weight
Class Maximum
GCWR - lb (kg) Trailer
weight - lb (kg) Tongue
load - lb (kg)
Class I towing
(standard) 6900 (3131) 2000 (907)* 200 (91)
Class III towing
(optional) 9357 (4245) 4500 (2042)* 450 (204)
*For towing trailers up to 3500 lb (1588 kg), use a weight-carrying
hitch and ball which uniformly spreads the trailer tongue loads through
the vehicle’s underbody structure. For towing trailers over 3500 lb
(1588 kg), up to 4500 lb (2042 kg), it is recommended to use a
weight-distributing hitch to increase front axle load while towing.
AWD
GCWR (Gross Combined Weight Rating)/Trailer Weight
Class Maximum
GCWR - lb (kg) Trailer weight
range - lb (kg) Tongue
load - lb (kg)
Class I towing
(standard) 7050 (3199) 2000 (907)* 200 (91)
Class III towing
(optional) 9521 (4320) 4500 (2042)* 450 (204)
*For towing trailers up to 4500 lb (2042 kg), use a weight-carrying
hitch and ball which uniformly spreads the trailer tongue loads through
the vehicle’s underbody structure.
Tires, Wheels and Loading
248
2010 Flex (471)
Owners Guide, 2nd Printing
USA (fus)