Replacement Spindle and Hub/Drum for Trailstar with 3500 lb Axle

Question

Question:

Gvwr 4200 Trailstar tracker Q5SA 5 on 4-1/2 I think it’s a 3500 lb axle

asked by: James L

0

Expert Reply:

If you can get me the axle capacity and the wheel bolt pattern of your trailer I can help you pick out the correct spindle and hub for it.

expert reply by: Jameson C

0

James O.

6/17/2021

Gvwr 4200 Trailstar tracker Q5SA 5 on 4-1/2 I think it’s a 3500 lb axle

Reply

Jameson C.

6/17/2021

For a spindle you'd want the part # TRU74FR. Then for a hub/drum you'd want the # AKHD-545-35-G-K.

Reply

Answer 1

Overpacking the trailer hub with grease is the number one reason for grease seal failure. For a boat trailer I would recommend re-packing the hubs by hand with grease once per season and you'd be fine. I don't like recommending people use…

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Answer 2

The best way to determine the correct parts for your 2002 Trailstar trailer is to disassemble a hub on one side of the trailer and get the bearing part numbers that are stamped on the bearings. There is an inner and outer bearing. With these part…

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Answer 3

Care should be taken when loading grease into a hub that is installed on an EZ-Lube spindle. It is very easy to over-fill the hub and apply too much pressure and blow out the grease seals. Even the double-lip seals like #34823 used with EZ-Lube hubs…

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Answer 4

We do have a way to help you with replacement hubs/bearings/seals but when I tried reaching out to the manufacturer of your boat trailer but they weren't able to tell me what bearings and seals are used for your hubs. What you will need to do is…

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Answer 5

To find the correct wheel bearings, grease seals and races you will have to disassemble one of your hubs and check the parts for any manufacturer markings or measure them with a Digital Caliper #PTW80157. I have included an image of where the…

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Answer 6

To determine the size of the hub assembly you need to purchase you have to determine which bearings are in the old assembly. If the old assembly has L44649 inner bearings, you would use the hub you chose #8-258-5UC1. If the inner bearings are marked…

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Answer 7

A BT8 spindle would have a diameter of .99 of an inch where the bearings would both install and would have a diameter of 1.24 where the great seal would ride. That would require a hub part #AKIHUB-440-2-1K for an idler hub. A BTR spindle would have…

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Answer 8

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 9

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

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Answer 10

The BTR and BT8 denotations refer to the spindle, not the trailer hub. The difference between a BTR and BT8 spindle is that the BTR spindle uses a 1.063" diameter L44649 bearing and the BT8 spindle uses a 0.99" diameter L44643 bearing. In…

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Answer 11

There typically aren't any part numbers stamped onto the trailer spindle that can be used for identification. There are however numbers stamped onto the hub most times which can be used for identification. The TDE46210 tells me you have a 3,500…

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Answer 12

To find the load capacity for your axle you should look on the trailer VIN plate or sticker that lists the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that…

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