trailer.ac spin tire-fr velocities/uBody-fps -4.973 0 0 0 0 1 0 spin tire-rr velocities/uBody-fps -4.973 0 0 0 0 1 0 select sim/model/pushback/enabled select Lock /sim/model/pushback/target-speed-fps /sim/model/pushback/target-speed-fps-y