A vehicle height adjustment system operable to reduce a vehicle height adjustment time period without unnecessarily narrowing a vehicle height adjustment range is provided. A control unit adjusts the vehicle height of a vehicle by controlling supply and di...

A kneeling valve assembly for transport vehicles to enable a quick and convenient kneeling operation to permit safe ingress and egress from the vehicle. The kneeling valve assembly employs a suspension member positioned between the vehicle body and the axl...

Leveling valve (1) for automatically maintaining the height of a utility vehicle with pneumatic shock absorption has a housing (2) containing at least two plate-like valve elements (17, 18). A first plate-like valve element (17) is movably positioned in th...