The dual steering we have consists of a steering box on the driver's side and a hydraulic ram on the passenger side to assist the steering. The hydraulic lines for the passenger side ram come directly off the steering box. The back end of the hydraulic ram is pinned into the front spring shackle & the other end at the wheel spindle. It seems like dual steering is used on a lot on trash trucks with the 18K & 20K axles but again from what I've been told the new 18K axles only run a single steering box. My steering was really tough at a standstill and I was warned that this would eventually wear out my steering box. We went from a 12-14K axle to 18K and added the dual steering on to our existing steering box during the upgrade.
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