Suspension and Axle Identification Guide
IDENTIFICATION GUIDE
VANTRAAX ® / ULTRAA-K ® DESCRIPTION MATRIX
Box Type HKA - 8" K-2 ®
Axle Centers (Blank) - N/A (Single Axle)
Slider Pin Extractor MA - Manual QD - QUIK-DRAW ® or QUIK-DRAW No Valve FX - None (Pins only for fixed applications)
HKAR - 14" Ramp-Ready HRR - 8" K-2 for Railroad UTK - ULTRAA-K Box
9 - 49.0" 0 - 60.0" 2 - 72.0" 1 - 121.0"
Pivot Connection N - Narrow (Blank) - Wide
Brake Size 7 - 16.5" × 7"
Axle Diameter S - 5.00" L - LDA ™ (5.75") Slider Box Width 71 - 42.0" 77 - 48.0" 83 - 54.0"
X7 - 16.5" × 7" HXS ® X8 - 16.5" × 8 5 / 8 " HXS 415MM - 415 mm MAXX22T ™ ADB 430MM - 430 mm ADB
Beam Profile T - Top-Mount L - Low-Ride
Slack Adjuster S - Any Brand Selection (Blank) - None Hub Brand H - Any Brand Selection (Blank) - None Drum Brand D - Any Brand Selection (Blank) - None
System Capacity 23K - 23,000 lbs. 40K - 40,000 lbs. 46K - 46,000 lbs. 50K - 50,000 lbs.
Spindle N - HN P - HP WP - CD HP US - HUS
69K23 - 69,000/23,000 lbs. 69K25 - 69,000/25,000 lbs.
Box Duty ST or (Blank) - Standard HD or H - Heavy Duty
Axle Wall ST - Standard HD - Heavy Duty
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Refer to Hendrickson Literature No. L977 - Suspension ID Guide
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