| 280 / | HD | LAND VEHICLES |
|
| * | DD | WHEELED {1} |
| * | DD | .~ Running gear {6} |
| FOR 145 | DF | .~.~ Suspension means (280/688) {8} |
| FOR 159 |  | .~.~.~ Fluid (280/702) {9} |
| FOR 160 | DF | .~.~.~.~> Anti-nose dive and/or squat systems (280/703) |
| FOR 161 | DF | .~.~.~.~> Wheel raising (280/704) |
| FOR 162 | DF | .~.~.~.~> Road arm (280/705) |
| FOR 163 | DF | .~.~.~.~> Vacuum controls spring strength (280/706) |
| FOR 164 | DF | .~.~.~.~> With electrical control means (280/707) |
| FOR 165 | DF | .~.~.~.~> Hydro-pneumatic (280/708) |
| FOR 166 | DF | .~.~.~.~> Hydraulic (280/709) {1} |
| FOR 168 | DF | .~.~.~.~> Pneumatic (280/711) {2} |
| FOR 171 | DF | .~.~.~.~> With specific valve or valve arrangement (280/714) |