...17.5 X 6.75" part # 663487 LVL 1 FINISHED,,,, DUALLY AXLE! 8 ON 275 MM BOLT PATTERN-- ALCOA RECENTY CHANGED THIS PART # AND STYLE !!,,, TIRES NEED TO BE MOUNTED FROM BACK SIDE OF WHEEL,, STEP HAS CHANGED IN THE DRUM ,,,, VENT HOLE SIZE CHANGED ( OLD PART # IS 663472 ) ,,,!!!!!! ACTUAL PIC SHOWN OF NEW #
| Specifications | Measurement |
| Size | 17.5 x 6.75 |
| Bolt Circle | 10.827 |
| Hub Bore Diameter | 8.709 |
| Bolt Hole Diameter | 0.975 |
| Max. Wheel Load1 | 5510 |
| Wheel Weight | 30 |
| Outset2 | 5.55 |
| Inset | 4.72 |
| Max. Inflation ? cold | 130 |
| Valve Stem |