Alcoa Markets All :

66307 - Ball Seat 17.5" x 6.75" on 8.750" bolt circle

Finish Part Number
Brushed Both Sides663070
Polished Inside Only663072


Specifications Measurement
Size17.5 x 6.75
Bolt Circle8.75
Hub Bore Diameter6.495
Bolt Hole Diameter1.18
Max. Wheel Load15070
Wheel Weight31
Outset25.55
Inset4.72
Max. Inflation – cold125
Valve StemTR553C


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 System -
Hug-A-Lug®1501


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, 840627, 841477, 841677. Clean Buff Outside Only finish for products 824627, 834627, 893637.





Contact Information
Heavy Duty Trailer



Alcoa Wheel Products
800.242.9898
Email


Order Accessories
800.242.9898