“what’s the towing capacity of a 1978 Ford F250 XLT Ranger?”
Based on my research, a 1978 Ford F250 XLT Ranger 4x4 with the 351M/400 engine and 4.10 axle ratio like this one typically has a towing capacity in the range of 8,000 to 12,000 pounds, depending on the specific configuration and whether it has the factory towing package.
This particular truck is well-equipped for towing with its heavy-duty Dana 60 rear end with 4.10 posi gears, which was the optimal towing axle ratio available in 1978. The 4.10 gears provide excellent pulling power, though they do reduce fuel economy compared to the 3.54 or 3.73 ratios.
For comparison, the Australian market F250 from 1978 was rated at about 4,400 pounds, but the US market trucks were generally rated much higher. Most sources agree that properly equipped F-250s of this era could handle 8,000-12,000 pounds safely.
Keep in mind that actual towing capacity also depends on factors like the truck’s GVWR, condition of the suspension, brakes, and whether you are towing a fifth-wheel or conventional trailer. This truck appears to have been well-maintained with only 66,335 original miles, which is a plus for towing capability.
Would you like me to help you find similar trucks, or do you have any other questions about this F250?