Replacement Axle for Harbor Freight Utility Trailer
Question:
Hi I have a harbor freight trailer 4’x8’ I want to change the axle for a new one with 5x4.5 bolt pattern the ones I see on your page mount on top of the leaf springs my axle mounts underneath the leaf springs
asked by: Moe
Expert Reply:
Since you want to change your trailer hubs to the 5-on-4-1/2 bolt pattern I suggest you select a 60-inch axle kit that includes idler hubs, such as one of the two kits shown on the linked page. These two 2K-rated axle kits include 5-on-4-1/2 hubs, bearings, races, seals, lug nuts and bearing grease.
Kit # 20545I-ST-60-10 works with 8- to 10-inch wheels and kit # 20545I-ST-60-15 works with wheels from 12- to 15-inches diameter.
If you trailer's existing axle is installed below your leaf springs this means that you will need to have new springs seats # TRSS175 welded on to the top of the axle beam so it can mount to your springs. You cannot simply flip the axle over since this will place the slight bend in the axle in the wrong orientation. The arc or bend in the axle must be at the top center so that the axle flattens out under load.
Keep in mind that changing the axle and hubs does not increase the trailer's capacity.
Products Referenced in This Question
Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs
- Trailer Axles
- Leaf Spring Suspension
- Standard Spindles
- Idler Hubs
- 2000 lbs
- 5 on 4-1/2 Inch
- 48 Inch Long
- 60 Inch Long
- No Drop or Lift
- Dexter
more information >
Dexter Trailer Axle with Idler Hubs - 5 on 4-1/2 Bolt Pattern - 60" Long - 2,000 lbs
- Trailer Axles
- Leaf Spring Suspension
- Standard Spindles
- Idler Hubs
- 2000 lbs
- 5 on 4-1/2 Inch
- 48 Inch Long
- 60 Inch Long
- No Drop or Lift
- Dexter
more information >
Spring Seat for Typical 2,000-lb, Round Trailer Axles with 1-3/4" Diameter - Qty 1
- Trailer Leaf Spring Suspension
- Spring Seats
- Boat Trailer
- Camper
- Car Hauler
- Snowmobile Trailer
- Utility Trailer
- Round Axle - 1-3/4 Inch
- TruRyde
more information >
Product Page this Question was Asked From
Dexter Trailer Axle Beam with Standard Spindles - 60" Long - 2,000 lbs
- Trailer Axles
- Leaf Spring Suspension
- Standard Spindles
- No Hubs
- 2000 lbs
- Spindles Only
- 48 Inch Long
- 60 Inch Long
- No Drop or Lift
- Dexter
more information >
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on Trailer Leaf Spring Suspension
