Towing capacity for a 1989 c3500 chevy 454 7.4 L

SOURCE: Towing capacity

Most smaller cars can tow between 500 and 600kgs unbraked and usually 1000kgs if braked. (trailer has brakes)

SOURCE: towing capacity

the best qualify to give you a answer on that woudl
be a hitch place like UHALL tailer rental

SOURCE: What is the towing Capacity?

The standard AND maximum towing capacity on the Custom and the Limited are both the same, rated at 1000lbs.

SOURCE: Need transmission info for 1988 Chevy Silverado 454 C3500 dually

My 1988 Chevrolet C3500 With A 7.4L (454) engine has a TH400 in it.

SOURCE: 1998 dodge ram 1500 v85.2 towing capacity?

according to the owners amnual the max towing weight for a 1999 ram 1500 quad cab wit automatic transmission is 7600 lb.
with either 5.2 or 5.9 v8. for a reg cab it is 8000 lb.