What is the maximum GCWR for a full-size Bronco towing a 3500–6000 lb trailer?

The chart lists a maximum GCWR of 11,950 lbs for trailers from 3500 to 6000 lbs, with a required 5.8L (351) V-8, C.O.M. automatic transmission, and 3.50 axle ratio.

What is included in the H.D. Trailer Towing Package (F7C)?

Extra Cooling (BNB), Wiring Harness, H.D. Suspension (GNB), H.D. Flasher, 68 Amp Battery (APD), Ammeter and Oil Pressure Gauge (AUB), Bright Swing-Out Recreation Mirror (BVP), 'Trailer Special' Emblem, and External Auxiliary Oil Cooler (J2B).

What tongue load is allowed when towing with the Bronco?

Tongue load should be 10–15% of trailer weight, with maximums of 200 lbs (trailers up to 2000 lbs), 525 lbs (2000–3500 lbs), and 750 lbs (3500–6000 lbs).

When is a weight-distributing hitch recommended for the Bronco?

For trailers over 2000 lbs (Trailer Class II and III), a weight-distributing hitch is listed, and hitch sway control is recommended for trailers over 2,000 lbs.

What does the trailer wiring harness include?

It includes seven identified wires at the tailgate: right and left turn signal/stoplights, electric brake feed and stoplight, ground, and battery feed extended to the rear of the vehicle.

Home/ Registry/ Ford/ Bronco/ 1978-1979/ “Phat Ho”/ Photo supermotors.net/registry/media/815670

1978 Ford Bronco Trailer Towing Guide - F7B/F7C Packages, GCWR & Tongue Load Chart

Ford Bronco owner's manual trailer towing special situations and towing package specifications

‹ ›

Owner's manual page covering hill-climb/downgrade towing technique plus Bronco trailer-towing package contents and weight ratings (GCWR up to 11,950 lb on 5.8L).

AI caption August 2010 · Photo 219 of 237

This two-page owner's manual spread (pages 82–83, 'Special Situations') covers trailer towing guidance for the full-size Ford Bronco. Page 82 explains hill-climbing and downgrade driving techniques (downshift for power on hills; slow to 20 mph / 30 km/h and shift to a lower gear before steep descents), then details the two factory trailer towing packages: the L.D. Trailer Towing Package (F7B) for trailers up to 2000 lbs and the H.D. Trailer Towing Package (F7C) for trailers over 2000 lbs, listing included equipment such as extra cooling (BNB), wiring harness, H.D. suspension (GNB), 68 amp battery (APD), ammeter/oil pressure gauge (AUB), swing-out recreation mirror (BVP), and external auxiliary oil cooler (J2B). Footnotes describe the seven-wire trailer wiring harness and H.D. suspension components (EEB rear shocks, ECB rear stabilizer bar). Page 83 gives tongue load and GCWR cautions and a 'Minimum Optional Equipment Recommended or Required — Bronco Trailer Towing' table covering three trailer weight ranges (up to 2000, 2000–3500, 3500–6000 lbs) with GCWR limits (8350 / 9700 / 11,950 lbs), minimum tires, tongue load maximums (200/525/750 lbs), trailer class, required 5.8L (351) V-8 engine, C.O.M. automatic transmission, 3.50 axle ratio, super cooling, towing package, and hitch type requirements.

Is this accurate? Sign in to help verify it.

Frequently asked questions

What is the maximum GCWR for a full-size Bronco towing a 3500–6000 lb trailer?: The chart lists a maximum GCWR of 11,950 lbs for trailers from 3500 to 6000 lbs, with a required 5.8L (351) V-8, C.O.M. automatic transmission, and 3.50 axle ratio.
What is included in the H.D. Trailer Towing Package (F7C)?: Extra Cooling (BNB), Wiring Harness, H.D. Suspension (GNB), H.D. Flasher, 68 Amp Battery (APD), Ammeter and Oil Pressure Gauge (AUB), Bright Swing-Out Recreation Mirror (BVP), 'Trailer Special' Emblem, and External Auxiliary Oil Cooler (J2B).
What tongue load is allowed when towing with the Bronco?: Tongue load should be 10–15% of trailer weight, with maximums of 200 lbs (trailers up to 2000 lbs), 525 lbs (2000–3500 lbs), and 750 lbs (3500–6000 lbs).
When is a weight-distributing hitch recommended for the Bronco?: For trailers over 2000 lbs (Trailer Class II and III), a weight-distributing hitch is listed, and hitch sway control is recommended for trailers over 2,000 lbs.
What does the trailer wiring harness include?: It includes seven identified wires at the tailgate: right and left turn signal/stoplights, electric brake feed and stoplight, ground, and battery feed extended to the rear of the vehicle.