66140x

17.5" x 6.75" - Hub Pilot - 6.5" Bolt Circle
66140x

Bringing the best of big rig innovation to the medium duty aluminum wheels market. Ideal for car trailers, horse trailers, utility trailers and medium duty trucks applications.

Hub Bore Groove
Where To Buy
Specifications Measurement
Product Part Number 66140x
Wheel Size (in) 17.5" x 6.75"
Mounting System Hub Pilot
Bolt Holes 8
Bolt Circle 6.5"
Bolt Hole Diameter 0.68"
Hub Bore 4.77"
Approx. Weight (lbs) 30 lbs
Outset (in) N/A"
Inset (in) -
Max Load (lbs) 6050 lbs
Max Cold Infl. (psi) 130 psi
Valve Stem TR552
Part Number Finish
661401 Mirror Polish Outside Only
Accessories and Mounting Hardware Part Number
Front Hub Cover
(Includes Nut Covers Where Applicable)
001611, 001612 or 001681
Rear Hub Cover
(Includes Nut Covers Where Applicable)
001611, 001612 or 001681
Nut Cover Only
(Not Intended to Secure Hub Covers)
019001
Alcoa® Mounting Hardware Kits 139987, 139698

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.