Study finds Alcoa Forged Aluminum Wheels dramatically cut the carbon footprint of commercial vehicles

Savings of switching one truck from steel wheels to Alcoa Forged Aluminum Wheels equals the average annual carbon footprint of an American household.
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Aluminum will be greenhouse gas neutral by 2030

In the critical transportation industry, our research in lifecycle modeling has shown that by 2030 the emissions of the entire aluminum industry can be offset by the potential emission savings from the transport sector's increased use of aluminum.
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Commercial Transportation : Wheels : Medium Duty : 66140 - Hub Piloted 17.5" x 6.75" on 6.5" bolt circle

66140 - Hub Piloted 17.5" x 6.75" on 6.5" bolt circle

Finish Part Number
Polished Outside Only
Polished Outside Only661401

Specifications Measurement
Size17.5 x 6.75
Bolt Circle6.5
Hub Bore Diameter4.77
Bolt Hole Diameter0.68
Max. Wheel Load16050
Wheel Weight29
Max. Inflation – cold130
Valve StemTR542

Accessories & Mounting Hardware Part Number
Front Outer Cap Nuts -
Rear Inner Cap Nuts Al/Al -
Rear Inner Cap Nuts Al/Stl -
Rear Outer Cap Nuts -
Hub Cover SystemHub covers: Front - 001611, 001612 or 001681 Rear - 001611, 001612 or 001681

Do not exceed maximum wheel load. Customer must compare OEM vehicle load rating to maximum wheel load rating. Do not overinflate. Refer to tire manufacturer's recommendation for proper tire pressure. Before mounting the tire, perform a wheel fitment check to ensure proper clearance from any obstructions.

1. Capacity ratings as dual or single in highway service – bias-ply or radial.
2. Outset (positive)/inset (negative) – The distance from the rim centerline to the mounting face of the wheel. Inset (negative) places the rim centerline inboard of the wheel mounting face and outset (positive) places the rim centerline outboard of the wheel mounting face (½ dual spacing = offset).
3. Clean Buff Inside Only finish for products 822627, 843627. Clean Buff Outside Only finish for products 824627, 834627, 893657.

Contact Information
Arconic Wheel and Transportation Products