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 50 degrees. Performance range determinations and ton capacity listings were calculated using the following criteria:
- Liquid level, nondiminishing load
- Minimum dump angle of 50 degrees
- Body overhang of 12 inches
Performance Range Criteria
Performance
Range |
|
Minimum Breakaway
Torque (inch-pounds) |
| 10 |
|
410,000 |
| 20 |
|
630,000 |
| 30 |
|
903,000 |
| 40 |
|
990,000 |
| 50 |
|
1,350,000 |
| 60 |
|
1,950,000 |
| 70 |
|
2,450,000 |
| 80 |
|
3,200,000 |
| 90 |
|
3,800,000 |
| 100 |
|
4,400,000 |
| 110 |
|
5,100,000 |
| 120 |
|
5,900,000 |