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How a Teddy axle is built

Six steps from a length of steel to a production-ready axle your line can bolt on without touching it.

  1. Grade 50 steel

    Beams start as ASTM A572 Grade 50 steel. The grade is the number that matters: 50,000 psi minimum yield strength.

  2. Cut to your numbers

    Hub face and spring centers come off your drawing, or outside-of-bracket width on a torsion axle. Nothing is forced to a stock length.

  3. Spindles on

    Machined spindles go on each end. Their bearing and seal journals are held to tight tolerances, because that is what keeps a hub running true.

  4. Seats, flanges, brackets

    Spring seats, brake flanges and torsion brackets are welded on in position, so the axle drops onto your frame the same way every time.

  5. Wheel ends built

    Seals, bearings, hubs, drums and brakes are assembled and set. You get a complete axle, ready to install.

  6. Proven, then shipped

    Axles are fatigue tested to one million cycles and built under IATF 16949 and ISO 9001 certified systems. They ship wrapped, capped and quality-checked.

Unpainted forged torsion arms with TEDDY raised on the web, spindles fitted
Torsion arms and spindles before paint. The name is in the steel.
Spring axles in a row with electric brake assemblies fitted to the spindles
Electric brakes going onto spring axles.
Finished torsion axle with hub, drum and red torsion arm
Hubs and drums on. A finished torsion axle.
Finished axle with the drum wrapped in foam and the stud threads capped for shipping
Wrapped and capped for the truck.
Watch one go together

Opens the 3D teardown and plays it in reverse.

Want one built to your numbers?

Get a quoteTake one apart in 3D