Product Description
3500 lb Carter Electric Brake Trailer Axle Kit – Fully Assembled ready to Install 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 hub drums, auto Adjusting Electric Brakes, and upgraded aluminum grease caps that won’t deform. Ideal for utility trailers, small equipment haulers, and DIY trailer builds.
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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Hub drum: 5 lug Hub Drums – available in 5 on 4.5 or 5 on 5 bolt pattern
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Brakes: 10” x 2-¼” Auto Adjusting
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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 (custom placement available)
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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 (to streamline install)
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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)
Nationwide freight and parcel shipping available
