| ID | Value | Definition |
|---|---|---|
| 1 | 0 | |
| 2 | 50 | Class 50 Over 50 pounds |
| 3 | 55 | Class 55 35-50 pounds |
| 4 | 60 | Class 60 30-35 pounds |
| 5 | 65 | Class 65 22.5-30 pounds |
| 6 | 70 | Class 70 15-22.5 pounds |
| 7 | 77.5 | Class 77.5 13.5-15 pounds |
| 8 | 85 | Class 85 12-13.5 pounds |
| 9 | 92.5 | Class 92.5 10.5-12 pounds |
| 10 | 100 | Class 100 9-10.5 pounds |
| 11 | 110 | Class 110 8-9 pounds |
| 12 | 125 | Class 125 7-8 pounds |
| 13 | 150 | Class 150 6-7 pounds |
| 14 | 175 | Class 175 5-6 pounds |
| 15 | 200 | Class 200 4-5 pounds |
| 16 | 250 | Class 250 3-4 pounds |
| 17 | 300 | Class 300 2-3 pounds |
| 18 | 400 | Class 400 1-2 pounds |
| 19 | 500 | Class 500 Less than 1 pound |