Product Description
3500 lb Carter Idler Trailer Axle Kit – Fully Assembled with Hubs and Optional U-Bolt Kit
This 3500 lb single axle kit is ready to install and built for light-duty trailers. Featuring a Carter brand axle, this kit comes fully assembled with EZ Fast Lube spindles, pre-greased 5 lug idler hubs, and upgraded aluminum grease caps that won’t deform. Ideal for utility trailers, small equipment haulers, and DIY trailer builds.
You will receive this axle just like you see in the pic. Comes fully assembled with hub on it, pre greased ready to install on your trailer
Kit Features
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Capacity: 3500 lb
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Axle Brand: Carter
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Stud Size: 1/2 inch
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Hubs: 5 lug idler hubs – available in 5 on 4.5 or 5 on 5 bolt pattern
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Spindles: #84, 1-1/16 inch diameter
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Axle Tube: 2 3/8 inch outside diameter, 0.19 inch wall thickness
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Suspension Type: Leaf spring, under-slung
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Spring Pads: Welded or loose (buy loose if you want to weld them on yourself where you need them. We can also weld the spring pads on for you where you need for a extra charge)
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Brake Flange: 4-bolt welded to axle
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Fully pre-greased and ready to install
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Powder Coated
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Pre Wired for convenience (if you want to add brakes to axle)
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EZ Fast Lube Grease Zerks in spindles
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3-Year Limited Warranty
Optional Add-On:
2-3/8 Inch U-Bolt Kit
Add a matching U-bolt kit to complete your install. This kit includes 4 U-bolts, 2 tie plates, and 8 nuts—everything needed to secure one axle to your trailer springs.
Bearing and Seal Specs
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Inner Bearing: L68149
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Outer Bearing: L44649
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Inner Race: L68111
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Outer Race: L44610
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Seal: 10-19 (1.719 in ID, 2.565 in OD)
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Grease Cap: 1.98 in OD aluminum cap with rubber plug
Installation Notes
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Hub face and spring center measurements can be selected to fit your trailer
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Bolt pattern can be confirmed using center-to-center measurement:
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2-5/8 inch = 5 on 4.5
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3 inch = 5 on 5
Pickup or Shipping
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Trailer Parts Unlimited – 631 TX 75 N, Huntsville TX 77320 (Exit 118 off I-45)
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Nationwide freight and ups fedex shipping available
