Two bolts mounting flange
| Standard Code | (P) Pilot Diameter | (K) Mounting Distance | (D) Bolt Hole Diameter |
| SAE AA | 2.00″ | 3.25″ | 0.406″ |
| SAE A | 3.25″ | 4.187″ | 0.437″ |
| SAE B | 4.00″ | 5.75″ | 0.562″ |
| SAE C | 5.00″ | 7.125″ | 0.687″ |
| SAE D | 6.00″ | 9.00″ | 0.812″ |
| SAE E | 6.50″ | 12.50″ | 1.062″ |
| SAE F | 7.00″ | 13.781″ | 1.062″ |
Four bolts mounting flange
| Standard Code | (P) Pilot Diameter | (K) Mounting Diameter | (S) Mounting Distance | (D) Bolt Hole Diameter |
| SAE B | 4.00″ | 5.00″ | 89.8 mm | 0.562″ |
| SAE C | 5.00″ | 6.375″ | 114.5 mm | 0.562″ |
| SAE D | 6.00″ | 9.00″ | 161.6 mm | 0.812″ |
| SAE E | 6.50″ | 12.50″ | 224.5 mm | 0.812″ |
| SAE F | 7.00″ | 13.781″ | 247.5 mm | 1.062″ |