What Size Axle Does the Spindle part # TRU37FR Fit  

A tang washer like #5-101 or #5-71 has a tab to secure the castle nut on the spindle so that it cannot rotate or back off on the threads. If the tang washer tab (or a cotter pin) is still in place in the notch on the castle nut (as in the linked…

Yes. There's no reason you can't use something like the Quick Splices - Self-Stripping Connector - Closed Port - 14-16-18 Gauge - Blue - Qty 1 #SWC502905-1 to install the #W002230 on your trailer. The #W002230 uses 18 gauge wiring, so the…

The gauge of the wiring in the 4-way kit part #A35W42B is 18 gauge.

Yes, you can jump the front axles brake output circuit to power the rear axle. Check out the picture I attached to see how most people do this.

I went out to the warehouse to take some measurements of trailer spindle #TRU37FR for you. The stub is actually 3-3/8 inches from the end to the brake flange. It is 3 inches from the end to where the weld is for the brake flange. The brake flange…

For a Dexter EZ Lube Spindle 5,200 lb capacity part #8-201-9UC3-EZ the bearings needed are #25580 and #15123. We have a bearing kit that has these as well plus the races and a new seal #BK3-110.

Mobile home axle components are considered one time use and are mainly all non-standard parts which means that if you attempt to replace anything on them you find that nothing fits or matches. If you went with a new spindle like the part #TRU37FR…

Trailer spindles should only be installed by a qualified fabricator with trailer axle experience who has the necessary equipment to square up a trailer spindle. It's not a project for someone who's pretty good at welding since if the spindle…

On the Wishbone 4-Way Trailer Wiring Harness #A35W42B each wire is 20 gauge. It doesn't seem like much but it is more than enough for basic trailer light functions (stop, tail, turn, and running lights). I have linked a video featuring this…

If you take a look at the provided photo, you can see the important dimensions of the #TRU37FR spindle.

There are usually only a few small difference between a 5,200 lb and a 7,000 lb trailer axle but not every two are the same even with the same capacity as different manufacturers make them to different specs. The actual axle thickness can play a role…

Yes, the number 42 spindle is the standard for Dexter 7k axles like what you have. For that we have the part #TRU57FR which does not have a brake flange or we have the part #TRU37FR which does have the brake flange.