With the new bolt on portal axles from AxleTech International, you get a geared hub that goes on the end of your axle and raises the centerline 5 inches above your wheel and are avaible for 14 ...

And finally, parts would have been added to the end of the axles for attaching independent wheels. The authors estimate that these innovations likely took place over 500 years.

Farmington, March 13, 2023 (GLOBE NEWSWIRE) -- The Global Rail Wheel and Axle Market Was Valued At USD 4,109.20 Million In 2022 And Is Expected To Reach USD 6,952.86 Million By 2030, At A CAGR Of ...

Sankar K Mohan, Anupam Sharma, Torque Vectoring Axle and Four Wheel Steering: A Simulation Study of Two Yaw Moment Generation Mechanisms, SAE Transactions, Vol. 115, Section 6: JOURNAL OF PASSENGER ...