ISO 789-2:2018
Current
The latest, up-to-date edition.
Agricultural tractors — Test procedures — Part 2: Rear three-point linkage lifting capacity
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English
22-02-2018
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ISO 789-2:2018 specifies test procedures for determining the lifting capacity of rear-mounted three-point linkage systems:
a) the maximum vertical force which can be exerted by the hydraulic lift at the lower hitch points throughout their full range of movement;
b) the maximum vertical force which can be exerted by the hydraulic lift, at a point 610 mm to the rear of the hitch points on a frame attached to the three-point linkage, throughout its full range of movement.
NOTE 1 A static test provides an adequate comparison between tractors. The test results are used only as a means of comparing tractors and not as a way of recommending the size of an implement which can be carried by the tractor.
NOTE 2 This test procedure can be used to determine the lifting capacity of front-mounted three-point hitch systems.
| Committee |
ISO/TC 23/SC 2
|
| DevelopmentNote |
Supersedes ISO/DIS 789-2. (02/2018)
|
| DocumentType |
Standard
|
| Pages |
7
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| BS ISO 789-2:2018 | Identical |
| ISO 730:2009 | Agricultural wheeled tractors — Rear-mounted three-point linkage — Categories 1N, 1, 2N, 2, 3N, 3, 4N and 4 |
| ISO 3448:1992 | Industrial liquid lubricants — ISO viscosity classification |
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