GB/T 21956.1-2015
GB/T 21956.1-2015 Protective structure strength on narrow-track wheeled agricultural andforestry tractors—Testing method and acceptance condition—Part 1:Static testing method of front mounted ROPS
Abstract
This part of GB/T 21956 specifies the static test methods and acceptance conditions for the strength of front-mounted protective devices on narrow-track wheeled tractors used in agriculture and forestry.
This part applies to pneumatic-tire tractors with two axles, where the ground clearance between the lowest points of the front and rear axles does not exceed 600 mm; for tractors equipped with maximum-sized tires on the front or rear wheels, regardless of whether the wheelbase is fixed or adjustable, the minimum wheelbase of the tractor shall not exceed 1,150 mm; the unladen mass of the tractor (including the protective device and the maximum-sized tires provided by the manufacturer) shall be greater than 400 kg and less than 3,500 kg. The mass ratio shall not exceed 1.75. The maximum operating mass shall not exceed 5,250 kg.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 21956.1-2015 |
| CCS | The driver's cab and other parts of the vehicle are separated by a partition wall. |
| ICS | Agricultural tractors and traction vehicles |
| Implement Date | 2016-07-01 |