2009 Ford F350 Super Duty Crew Cab Owner's Manual - Page 263
2009 Ford F350 Super Duty Crew Cab Manual
Page 263 highlights
Tires, Wheels and Loading the chart/table in the following text). This calculation will give you the maximum trailer weight possible for your vehicle. The weight of all additional cargo and passengers must be subtracted from the maximum trailer weight calculated above. Further trailer/hitch restrictions and limitations exist depending on the type of trailer and hitch used. These additional maximum trailer weight and tongue load limitations are listed in the chart/table that follows the listing of GCWRs. Towing a trailer places an additional load on your vehicle's engine, transmission, axle, brakes, tires and suspension. Inspect these components carefully prior to and after any towing operation. Refer to Transmission fluid temperature gauge in the Instrument Cluster chapter for the transmission fluid temperature information. Note: Do not exceed the GCWR listed for your vehicle on the following chart/table, or the GVWR, GAWR or tire ratings specified on the Tire Label or Safety Compliance Certification Label. WARNING: Towing trailers beyond the maximum recommended trailer weight which exceeds the limit of the vehicle's GCWR, GVWR, GAWR or tire ratings could result in engine damage, transmission damage, structural damage, loss of vehicle control, vehicle rollover and personal injury. Maximum GCWR - lb. (kg.) Rear axle Manual Automatic ratio transmission transmission F-250 Pick-up 3.73 15000 (6804) 16000 (7257) 4.10 17000 (7711) 18000 (8165) 4.10 20000 (9072) 21000 (9525) 4.30 22000 (9979) 22500 (10206) F-350 Single Rear Wheel (SRW) Pick-up 3.73 15000 (6804) 16000 (7257) 4.10 17000 (7711) 18000 (8165) 4.10 20000 (9072) 21000 (9525) 4.30 22000 (9979) 23000 (10433) 263 Engine 5.4L 6.8L 5.4L 6.8L 2009 F-250/350/450/550 (f23) Owners Guide, 3rd Printing USA (fus)