Suspension and Axle Identification Guide
IDENTIFICATION GUIDE
GENERAL GUIDELINES FOR INTERPRETING SUSPENSION DESCRIPTIONS
INTRAAX ®
Model: INTRAAX.85901 DESCRIPTION: AANT23K 14RHL77N ST X7 SHD
Axle Track
Axle Wall
Brake Size
Duty Cycle
Suspension Capacity
Pivot Connection
Axle Diameter
Slack / Hub / Drums (if equipped)
Spindle
Ride Height
Beam Profile
Model: INTRAAX.82164 DESCRIPTION: AAT23K 14RHCL755PST X7 SH
Axle Track
Axle Wall
Beam Profile
Axle Style
Duty Cycle
Slack / Hub / Drums (if equipped)
Ride Height
Brake Size
Spindle
Axle Diameter
Suspension Capacity
INTRAAX ® DESCRIPTION MATRIX
Duty Cycle AA - Standard AAED - Extreme Duty Pivot Connection N - Narrow (Blank) - Wide Beam Profile T - Top-Mount L - Low-Ride LS - Low-Ride Short Suspension Capacity 20K - 20,000 lbs. 23K - 23,000 lbs. 25K - 25,000 lbs. 30K - 30,000 lbs.
Axle Diameter S - 5.00" L - LDA ™ (5.75") F - Five Inch AAT / AAL Axle
Axle Wall ST - Standard HD - Heavy Duty Brake Size X5 - 15" × 8 5 / 8 " 7 - 16.5" × 7"
Axle Track 70 - 70.5" 71 - 71.5" 73 - 73.0" 75 - 75.0" 755 - 75.5" 76 - 76.5" 77 - 77.5" 795 - 79.5" 83 - 83.5" 85 - 85.0"
X7 - 16.5" × 7" HXS ® X8 - 16.5" × 8 5 / 8 " HXS 415MM - 415 mm MAXX22T ™ ADB 430MM - 430 mm ADB
Slack Adjuster S - Any Brand Selection (Blank) - None Hub Brand H - Any Brand Selection (Blank) - None Drum Brand D - Any Brand Selection (Blank) - None
Spindle N - HN P - HP CDHP - CD HP US - HUS
Axle Style C - Cambered
RC - Raised Center (Blank) - Standard
30
Trailer Commercial Vehicle Systems
Refer to Hendrickson Literature No. L977 - Suspension ID Guide
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