Diamondpilot
Super Star Member
- Joined
- Jan 18, 2007
- Messages
- 16,316
- Location
- Daleville, IN
- Tractor
- Jinma 254/284 Ford 861 Powermaster at work
There are 2 designs of tandem duals - those with wheels inside and outside the frame rails, and another with dual wheels similar to a dually pickup. The outer/inner is an older design I think and is a real bear to work on.
Our company has a triple axle 15k enclosed car trailer and the tires take an awful beating on tight turns and parking. To add insult to injury its has 5200 lb axles with 15" tires for a lower profile, so you don't get the benefit of an E rated heavy ply tire.
This is the type I had.
As for E rated 15" tires, they are available in both Gladiator and Greenball. I run 225/75/15 10 ply load rang E on one of my tri axles and my tri axle.
I have pulled 3 and 4 axle trailers for 20 years. Even a few 5 axle units. Never been a issue with tight turns. I had no bearing, spindle, hub, wheel failures. Tire failures ar on par with single and tandem axle trailers and of the same type.
Chris