ULA18x
22.5" x 8.25" - - Bolt Circle
The latest in advanced innovation, manufacturing and engineering on the road. Featuring Alcoa’s proprietary MagnaForce® alloy, vHub™ Bore Technology and a proprietary flange mounting design to accommodate for the aerodynamic drive cover, it is a lightweight champion. Ideal for heavy-duty truck, trailer, and motorhome applications.
| Specifications | Measurement |
| Product Part Number | ULA18x |
| Wheel Size (in) | 22.5" x 8.25" |
| Mounting System | |
| Bolt Holes | 10 |
| Bolt Circle | |
| Bolt Hole Diameter | 26mm |
| Hub Bore | 220.1mm |
| Approx. Weight (lbs) | 39 lbs |
| Outset (in) | 6.6" |
| Inset (in) | 5.81" |
| Max Load (lbs) | 7400 lbs |
| Max Cold Infl. (psi) | 130 psi |
| Valve Stem | TR554D |
| Part Number | Finish |
| ULA183 | Mirror Polish Both Sides |
| ULA183DB | Mirror Polish Both Sides with Dura-Bright |
| ULA180DB | Brushed with Dura-Bright |
| ULA181 | Mirror Polish Outside Only |
| ULA181DB | Mirror Polish Outside Only with Dura-Bright |
| ULA182 | Mirror Polish Inside Only |
| ULA182DB | Mirror Polish Inside Only with Dura-Bright |
| ULA187 | High Polish |
| ULA18BLK | Dura-Black |
| Accessories and Mounting Hardware | Part Number |
| Front Hub Cover (Includes Nut Covers Where Applicable) |
079100DT, 079300DT, 079500DT, 079200DT, 079400DT, 079600DT |
| Rear Hub Cover (Includes Nut Covers Where Applicable) |
081500 (BLACK), 081600 (POLISHED) |
| Nut Cover Only (Not Intended to Secure Hub Covers) |
N/A |
| Alcoa® Mounting Hardware Kits | - |
Related Documents
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ULA18x 22.5x8.25
522.90 KB
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Product Spec Guide
83.45 KB
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Wheel Accessory Products Catalog
1.32 MB
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Service Manual for Alcoa® Wheels
1.91 MB
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Alcoa® Wheels Quick Reference Guide
356.28 KB
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Finishes Data Sheet
1.80 MB
0 0 and 7 finish options are determined by inset or outset mounting positions and may not be finished on both sides. See chart for position and available finish options.
1Hub cover system kits with part numbers 076185 (front), 077185 (rear), 082122 (front), and 082133 (rear) contain screw-on Hug-A-Lug® nut covers and require a minimum of four (4) threads of the stud to extend above the tightened cap nut for use. Six (6) threads are recommended.
2082012 (30mm kit Front and Rear).
3OEM exclusive. Purchase through Peterbilt dealer only.
4OEM exclusive. Purchase through Kenworth dealer only.
5OEM exclusive. Purchase through Volvo dealer only.
†See our Warranty page for more information
See Wheel Accessory Products Catalog for part number specific fitment information. Always perform a fitment check to ensure accessories are secure before operating vehicle.