How to Determine Replacement Hub Assembly for PacWest Utility Trailer

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Question:

Hello Robin - thanks very much for the answer, those bearings will fit. The other dimensions are as follows: Axle: 2 1/4" so I presume it's rated at 3,500 Lb Leaf springs: 1 7/8" wide A: 1 5/8" F: 5/8" It appears also that the wiring is in place so I would like to add electric brakes and upgrade a couple of other items, so please let me have the correct product numbers and I'll get this ordered right away: Electric brakes on 5x5 hub as mentioned in your previous answer High grade shackle & bolt set Anything else required?

asked by: Matthew W

Helpful Expert Reply:

It looks like PacWest has a number of different utility trailers with different capacities. In order to determine if the # AKIHUB-550-35-K will fit you are going to need to identify your axle or check your bearings. Assuming you have a 3,500 lb axle, more than likely this will fit. You could check your axle tag for identification and call PacWest or you could use your VIN number.

The other option is to pull off your existing hubs and see which bearings you have now. The part number is typically stamped in the side of the bearing. If not, you will need to measure the inner diameter of the bearing, or measure the spindle where the bearing rides. I recommend using a digital caliper like the # PTW80157. If they are marked # L68149 and # L44649, or if the inner diameter of the inner bearing is 1.378" and outer bearing is 1.063", this hub will work for you.

expert reply by: Robin H

Spindle, Hub, Bearing and Seal Information.
(click to enlarge)

Matthew W.

8/8/2022

Robin H.

8/8/2022

So instead of the # AKIHUB-550-35-K you need the Trailer Hub and Drum Assembly # AKHD-550-35-K. For trailer brakes I recommend the Electric Trailer Brake Kit - Self-Adjusting # AKEBRK-35-SA. Your shackle measurement is more than likely 3-1/8" eye to eye since it is a single axle. I recommend measuring to be sure. For an upgrade I recommend the Dexter Heavy Duty Suspension Upgrade Kit for Single Axle Trailers # K71-358-00. This comes with heavy-duty shackle straps, wet bolts, and bronze bushings.