7,000 lb trailer fully loaded, I think you'll be close to happy with it.
If you're on the fence a transmission with more gears and change the rear axle ratio as necessary will help some.

Brakes are always good.

Grigg



•1951 GMC 250 in the Project Journals
•1948 Chevrolet 6400 - Detroit Diesel 4-53T - Roadranger 10 speed overdrive - 4 wheel disc brakes
•1952 Chevrolet 3800 pickup
---All pictures---
"First, get a clear notion of what you desire to accomplish, and then in all probability you will succeed in doing it..." -Henry Maudslay-