Forum Discussion
ktmrfs
Jan 10, 2019Explorer II
lenr wrote:
I would look for Dexter authorized repair shops that are not RV dealers. If you make the jump go to 5200 because you get bigger, better, everything. There are some axles in between (4400?) that use parts from both 3500 and 5200, depending on manufacturer. Don't change your springs (unless you're breaking them) because that will bounce your trailer more shaking stuff apart.
5200lb axles often have 12" brakes rather than 10" (good IMHO) and usually a 6 bolt hub. If your making a jump from 3500 or 4400lb axles sure you have at least 15" 6 bolt rims or you will likely need new rims as well to fit the hub and have room for 12" brakes. Many 3500lb axles have 5 lug hubs, the 4400lb axles seem to usually have a 6 luhg hub.
When I went looking some 4400lb axles (my existing ones included) had a 5200lb tube an oddball spindle,(neither 3500lb or 5200lb) 10" brakes like 3500lb and 6 lug hubs like a 5200. Kinda a mismash between the 3500lb and 5200lb axles.
with 5200lb axles, you will need at least a 225/15 LRE tire to match axle capacity. with a LRD 15" tire, tires will be the limiting factor. If you need new rims, and have the room, may as well go 16" in that case. way more tire choices!
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