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A steerable torsion axle assembly adaptable as a unit to diverse vehicles includes a torsion axle tube member carrying mounting brackets attachable to the main frame of a vehicle. Independently sprung swingable torsion arms secured to square shafts within the tube member carry steerable wheel spindl

A steerable torsion axle assembly adaptable as a unit to diverse vehicles includes a torsion axle tube member carrying mounting brackets attachable to the main frame of a vehicle. Independently sprung swingable torsion arms secured to square shafts within the tube member carry steerable wheel spindles equipped with steering arms interconnected by a steering linkage which includes a swingable drawbar and a draft tongue. Direct precision steering is enabled in conjunction with a soft quiet ride.

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A steerable torsion axle comprising a torsion axle assembly having a torsion axle tube member and mounting brackets on the tube member near its opposite ends, torsion shafts and coacting resistance elements disposed within opposite end portions of the tube member, vertically swingable torsion arms s

A steerable torsion axle comprising a torsion axle assembly having a torsion axle tube member and mounting brackets on the tube member near its opposite ends, torsion shafts and coacting resistance elements disposed within opposite end portions of the tube member, vertically swingable torsion arms secured to said shafts substantially at the ends of the tube member and outwardly of said mounting brackets, steerable wheel spindles on said torsion arms including horizontally swingable steering arms, and a steering linkage means interconnecting the steering arms, said steering linkage means comprising tie rods connected by means of ball swivels to said steering arms, gusset plate means fixed to said torsion axle tube member near the center therof and extending forwardly thereof, a drawbar having a pivotal connection with the tie rods and another pivotal connection with said torsion axle tube member, said another pivotal connection comprising a vertical axis pivot element connecting the rear end of said drawbar with the forward end portion of said gusset plate means, an oversteering prevention stop element on said drawbar having rearwardly converging edges adapted to engage a frontal transverse edge of said gusset plate means, and a draft tongue connected with said drawbar and extending forwardly of the drawbar and said tie rods.