comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel (track vehicles with additional or alternative ground wheels B62D55/02, B62D55/04; auxiliary drives from a ground wheel B60K25/08)

Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks > for both lifting and manoeuvring > Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams > comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by a ground wheel

Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks (lifting devices in general B66F; supports in general F16M) > for both lifting and manoeuvring > Power driven manoeuvring fittings, e.g. reciprocably driven steppers or rotatably driven cams (vehicles with ground-engaging propulsion means, e.g. walking members, B62D57/02) > comprising a rotatably driven auxiliary wheel or endless track, e.g. driven by ground wheel (track vehicles with additional or alternative ground wheels B62D55/02, B62D55/04; auxiliary drives from a ground wheel B60K25/08)