How to Pick Out Grease Caps for a Trailer Hub

Question

Question:

how do I determine which, if any, grease cap will work for my Stehl Tow Dolly?

asked by: J D

0

Expert Reply:

You will want to use a dial caliper or micrometer to measure the inner diameter of the hub you have on your trailer to determine what size cap would be needed. Check out the picture I attached that shows this measurement being taken on a hub.

I attached a link to all the grease caps we offer, once you know what size you need check out the link I attached to see all the sizes we offer.

expert reply by: Jameson C

0

click to enlarge

Answer 1

For a 5,200 lb trailer axle hub with 6 lugs the correct size dust cap/cover is 2.44 inches like the TruRyde cover part #DC250L-DCRP. Sounds like what you ordered was the version for the 8 lug hubs which is a slightly larger size.

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Answer 2

The main difference between the grease caps, #RG04-080 and #DC250L-DCRP, is that the RG04-080 is for EZ lube axles and DC250L-DCRP is for standard axles. I have created a short video for you showing where to measure on your hub to determine the…

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Answer 3

If you have trailer hub assembly 8-248-50UC1-EZ the correct replacement grease cap is #DC200L-DCRP. This cap is for E-Z Lube spindles and measures 1.99" x 1.40" x 1.18"; I've added a link to a video review of the cap for you to…

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Answer 4

The Rubber Lube Plug - Fits 1.18" Lubed Dust Cap #DC-RP is the replacement for the #RG04-040 grease cap as well as larger caps like the 2.44" OD Drive In Grease Cap with Plug #RG04-080. The Grease Cap Plug fro E-Z Lube Grease Caps is the…

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Answer 5

Since you mentioned 2-3/8 inches (2.375) as the inside diameter it is likely that you need the Grease Caps #RG04-080 which has an outside diameter of 2.441 inches. The best way to find exactly what cap you need is by measuring your hub bore with a…

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Answer 6

You would measure the outside diameter of a grease cap or the inner diameter of the hub bore where the grease cap installs. But the measurement has to be as accurate as possible so you would need to use dial or digital calipers to take the…

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Answer 7

There are many ways you can secure wires to a trailer. I would not recommend the use of tape as it will wear out quickly when exposed to the elements. Soldering is also not recommended because it is a more permanent method and you may need to change…

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Answer 8

In order to know what grease cap you would need you need to get an exact measurement with a dial or digital caliper. Tape measures aren't accurate enough since you are looking at the difference of .07 of an inch. If it measures 2.44 the part…

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Answer 9

The best way to determine which dust cap to consider is by taking apart one of the hubs and to get the numbers off the outer bearing and race. You can also get the hub bore inner diameter using dial calipers to get that measurement. I have linked you…

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Answer 10

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 11

The difference between an load range C and load range D tire in the same size is the capacity and psi rating. The two tires will still have the same dimensions and fit on the same wheel. The D rated tire has a higher capacity. For a ST175/80D13 like…

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Answer 12

Even though I cannot comment specifically on the grease you used because I am not familiar with it, I can tell you the best grease for trailer bearings is a a grease with a rating of GC-LB, which just means it is made to withstand very high…

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