The 1990 Ford Bronco carried the electronic AOD. 300 CID and 351 CDI HO engines are now characterized with EEC-IV engine diagnostic connectors. It could hold more than 100 cubic feet of load or house six people in a large interior. It has a towing capacity of 7800 pounds. This year's Ford Bronco came in a two-door body style, with a two-way tailgate. It also has an antilock rear braking, working only in 2WD. As a running change, Ford started a 4-speed automatic transmission bordered aside the 3-speed unit for this year. Until 1993, its base engine was a 4.9 liter inline 6-cylinder, stuffing 150 horsepower, with a preference of optional v8s.