Rating Statement
The hoists listed in this section were classified by comparing the performance curve of the hoist to a set of standard performance curves through the complete lift cycle of 45 degrees. Performance range determinations and ton capacity listings were calculated using the following criteria:
- Liquid level, nondiminishing load.
- Minimum dump angle of 45 degrees.
- Body overhang of 0 and 18 inches.
Performance Range Criteria
Performance
Range |
|
Minimum Breakaway
Torque (inch-pounds) |
| A |
|
200,000 |
| B |
|
400,000 |
| C |
|
700,000 |
| D |
|
1,100,000 |
| E |
|
1,500,000 |
| F |
|
2,100,000 |
| G |
|
2,600,000 |
| H |
|
3,400,000 |
| J |
|
4,400,000 |
| K |
|
5,400,000 |
| L |
|
6,400,000 |