HUB INFORMATION
Part Number: 20231--3T
Hub Number: 2023
Description: 10 Stud Hub w/11.25 (285.75MM)Dia. Bolt Circle. Uses Outboard Drum (M22 x 1.5) Serrated Stud
Hub Material: Cast
Mounting Type: FN
Drum Type: Outboard
Disc Wheel: Steel (Dual)
Wheel Stud: 101162
Stud Stand Out: 3.25
ABS Ring: Direct Machined ABS
Drum Options: 61577F, 68985F, 66800F, 66864F, 66884F, 66814F, 66854F, 66871B
Drum Type: Outboard
Number of Studs: 10
Bolt Circle: 11.25
Stud Description: M22 x 1.5MM Serrated Stud
Outer Bearing Cup: HM212011
Outer Bearing Cone: HM212049
Inner Bearing Cup: HM218210
Inner Bearing Cone: HM218248
Webb Axle Group: 2
Cup Code: 1
Notes: Stud Standout (Cast drums): Dimensions shown are for brake drums having (.50) back plate thickness. Deduct (.06) from these dimensions when using brake drums having (.56) back plate thickness.
This hub designed for dual wheel mounting or single wheels with 1/2" maximum offset.
Grease Hubcap Kit: 73655.

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AXLE MANUFACTURER

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AXLE MANUFACTURER
ArvinMeritor (Rockwell)
RN, RQ, TKN, TN, TQ, TQC, TQD

Dana Spicer (Eaton)
D-22, K-22, J, JE, JH, 23L, 23R

Dexter
D200K, D225K

Hendrickson
HN

Ingersoll
A22H, A22S, A22T, DC22H, F22

K-B
KBW-KBS

Standard Forge
A22H, A-22S, A22T

Westport
F3W-1600, F3W-1800/2000, F3W- 1800D/2000D, F6W-1600

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DRUM OPTIONS
Click on Drum Part Numbers for More Drum Information

Drum/Rotor Number	Brake Size	Notes
61577B	7.00	0.50 Back Plate Thickness
61577F	7.00	0.50 Back Plate Thickness
61988B	8.62	0.50 Back Plate Thickness/For 19.5" Disc Wheel Approved for 19.5 disc wheels
61988F	8.62	0.50 Back Plate Thickness/For 19.5" Disc Wheel Approved for 19.5 disc wheels
61991B	8.62	0.50 Back Plate Thickness/For 19.5" Disc Wheel Approved for 19.5 disc wheels
61991F	8.62	0.50 Back Plate Thickness/For 19.5" Disc Wheel Approved for 19.5 disc wheels
66800B	8.00	0.56 Back Plate Thickness
66800F	8.00	0.56 Back Plate Thickness
66814B	8.62	7 inch centerline
66814F	8.62	7 inch centerline
66854B	8.62	0.56 Back Plate Thickness Oil Groove
66854F	8.62	0.56 Back Plate Thickness Oil Groove
66864B	7.00	0.50 Back Plate Thickness/Heavy Duty Drum
77864BW	7.00	0.50 Back Plate Thickness/Heavy Duty Drum
66864F	7.00	0.50 Back Plate Thickness/Heavy Duty Drum
66871B	10.00	0.50 Back Plate Thickness
66871B	10.00	0.50 Back Plate Thickness
66884B	7.00	0.50 Back Plate Thickness/Extra Heavy Duty Drum
66884F	7.00	0.50 Back Plate Thickness/Extra Heavy Duty Drum

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FLANGE MOUNT (FN) INFORMATION
Disc Wheel: Steel
Tire Application: Dual
Total Disc Wheel Thickness: .75 to 1.00
Drum Type: Cast
Right Hand Stud: 101162
Stud Color: Black
Stud Standout: 3.03
Order Code: 3


Disc Wheel: Aluminum
Tire Application: Single
Total Disc Wheel Thickness: .84 to 1.00
Drum Type: Cast
Right Hand Stud: 101162
Stud Color: Black
Stud Standout: 3.03
Order Code: 3


Disc Wheel: 1 1/8" Alum. (Super
Tire Application: Single
Total Disc Wheel Thickness: 1.12
Drum Type: Cast
Right Hand Stud: 101162
Stud Color: Black
Stud Standout: 3.03
Order Code: 3