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Pair of silver electric trailer brake assemblies with backing plates and electromagnets, 12.25 by 3.375 inch size

VEVOR

VEVOR Electric Trailer Brake 12.25 x 3.375 in 10000 lbs Axle

SKU CH-KBQQ-WTVVA

Electric trailer brake assembly rated for 10000 lbs axles with 12.25 x 3.375 in drum size

  • Overall width13.78
  • Handles heavy trailers with 10000 lbs axle rating
  • Fits standard 7-bolt 5.5 in flange pattern
  • Operates on 12 V DC with 2.8 to 4.2 A draw
  • Delivers 600 N magnetic force for strong stopping
  • Includes two complete brake assemblies with four shoes

Electric Trailer Brake 12.25 x 3.375 in

This electric trailer brake kit is rated for a 10000 lbs axle capacity and uses a 12.25 x 3.375 in drum size. It suits trailer owners needing reliable stopping power for heavy loads. The set includes two complete brake assemblies with four brake shoes and shields.

Bolt-on installation with 7-hole flange

Each brake assembly mounts to a 7-bolt flange on a 5.5 in pitch circle diameter using 11.5 mm bolts. The DC12V electromagnets draw 2.8 to 4.2A and produce 600N of magnetic force. Ensure the trailer wiring harness and brake controller can supply the required current without voltage drop.

Verify axle rating and flange pattern before

Confirm the axle is rated for 10000 lbs and that the existing flange matches the 7-bolt 5.5 in PCD pattern. Check that the brake drum diameter is 12.25 in and the shoe width is 3.375 in. The kit is not for axles with different weight ratings or bolt patterns.

How it compares

Measured against everything we stock in Trailer Locks, Brakes & Accessories, at today’s prices. Recalculated every night.

Price $277.99
Pricier than about 83% of the 51 comparable items (median $176.99).

Specifications

No published specifications for this item yet.

Questions about this item

How do I verify the 12.25 x 3.375 in brakes are functioning correctly after installation?

Apply 12 V DC and confirm each magnet draws between 2.8 and 4.2 A; the shoes should expand evenly against the drum and deliver 600 N magnetic force per wheel.

What components are included and what must I supply separately?

The box contains two complete brake assemblies, four shields and a user manual; you must provide the 12 V power source, wiring, a 7-bolt flange matching the 5.5 in PCD and mounting hardware.

Which brake size matches a 10000 lbs axle with a 7-bolt 5.5 in PCD flange?

Choose the 12.25 x 3.375 in model — it is rated for 10000 lbs, uses a 7-bolt pattern on a 5.5 in PCD and fits the specified flange dimensions.

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