1 Scope
This standard specifies the testing method and accepting condition of the driver's seat on agricultural and forestry tractors.
This standard is applicable to agricultural and forestry wheeled and crawler tractors with speed of 6km/h ~ 40km/h.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document applies.
GB/T 6236 Tractors and Machinery for Agricultural and Forestry - Seat Index Point (GB/T 6236-2008, ISO 5353:1995, MOD)
GB/T 6960.7 Tractor Terminology - Part 7: Cab Seat and Sheet Metal
3 Terms and Definitions
For the purposes of this standard, the terms and definitions given in GB/T 6960.7 and the following apply.
3.1
agricultural and forestry tractors
selfpropelled wheeled or crawler vehicle with at least two axles, mainly used for the following basic agricultural and forestry purposes:
——towing trailer;
——carrying, towing or promoting agricultural and forestry machines and tools or machinery, and powering the accessory tools during tractor traveling or power off condition as required
3.2
driver's seat
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Measuring Units and Permissible Tolerances
5 Requirements
6 Tests
7 Accepting Condition
1 Scope
This standard specifies the testing method and accepting condition of the driver's seat on agricultural and forestry tractors.
This standard is applicable to agricultural and forestry wheeled and crawler tractors with speed of 6km/h ~ 40km/h.
2 Normative References
The following standards contain provisions which, through reference in this standard, constitute provisions of this standard. For dated references, subsequent amendments (excluding corrections) to, or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document applies.
GB/T 6236 Tractors and Machinery for Agricultural and Forestry - Seat Index Point (GB/T 6236-2008, ISO 5353:1995, MOD)
GB/T 6960.7 Tractor Terminology - Part 7: Cab Seat and Sheet Metal
3 Terms and Definitions
For the purposes of this standard, the terms and definitions given in GB/T 6960.7 and the following apply.
3.1
agricultural and forestry tractors
selfpropelled wheeled or crawler vehicle with at least two axles, mainly used for the following basic agricultural and forestry purposes:
——towing trailer;
——carrying, towing or promoting agricultural and forestry machines and tools or machinery, and powering the accessory tools during tractor traveling or power off condition as required
3.2
driver's seat
Contents of GB/T 21960-2008
Foreword II
1 Scope
2 Normative References
3 Terms and Definitions
4 Measuring Units and Permissible Tolerances
5 Requirements
6 Tests
7 Accepting Condition
