Vehicle Controls
TRAILER PARTS CATALOG
Bulk Height Control Valves — Drum Brake
Suspension Model
Kit Description
Part Number
AAL, AAEDL, AAEDT, CXU, HT250US, HT300US, HKAL, AAZL
Height Control Valve, Bulk 50 (includes A-28651 long arm)
AKH0249 1
AANT, AAT, AANL, AANLS, HT, HKANT, HKAT, HK, HTHKR, HKARL, HS, AAZNT
Height Control Valve, Bulk 50 (includes A-28648 short arm)
AKH0250
Integral Dump Height Control Valve, Bulk 35 (includes A-29391 long arm) Integral Dump Height Control Valve, Bulk 35 (includes A-29393 short arm)
AAL, AAEDL, AAEDT, CXU, HT250US, HT300US, HKAL, AAZL
AKHD0249
AANT, AAT, AANL, AANLS, HT, HKANT, HKAT, HK, HTHKR, HKARL, HS, AAZNT
AKHD0250
1 The long arm HCV can be used on short arm HCV applications. However, the installer must remove the end of the arm and use the bolt hole in the arm that is closest to the valve body.
Height Control Valve Hardware Kits — Drum Brake
Axle Diameter
Mounting Brackets
No 90-degree Brass Fittings
Bolted Link Assembly
Part Number AKH0252
Suspension Model
Fasteners
X X X X X X X X X X X X X X X
X X X X X X X X X X X X X X X
X X
AAT
5 inch / 5.75 inch LDA ™
X X
AKH0252F AKH0252-1
X
AKH0253
AAL, AAEDL, AAEDT, HKAL, HKARL, AAZL
5 inch
X
AKH0253-1
X
AKH0309
AAL, HKAL, HKARL, AAZL
5.75 inch LDA
X
AKH0309-1
X
AKH0256
HKANT, HKAT
5 inch / 5.75 inch LDA
X
AKH0256-1
X
AKH0262
AANT, AAZNT
5 inch / 5.75 inch LDA
X
AKH0262-1
X
AKH0289
AANL
5.75 inch LDA
X
AKH0289-1
X
AKH0290
AANLS
5 inch
X
AKH0290-1
Specialty Height Control Valves — Drum and Disc Brake
Dump Feature No Pressure Protection Valve Without With
Product Family
Brake Type
No 90-degree Brass Fittings
Suspension Model
Kit Description
Part Number
Tube fittings not included; supplied with fixed bolt link
AAT at 14 inch RH Drum X
X
AKH-244B
X X
AKH0266-3
X
AKH0266B-3 AKHD0266-3 AKHD0266B-3
Drum
X X
INTRAAX ®
Includes a U-bolt for mounting the HCV
AANLS 20K
X
X
X
AKH0311-3
Disc
X X
AKHD0311-3
X
X
AKHD0311B-3
HT250US/HT300US at 6.5 inch RH
Tube fittings not included; supplied with fixed bolt link
HT ™ Series
Drum X
X
AKH-242B
VANTRAAX ®
HRRNT 40K
Drum X
Tube fittings not included
AKH0261
X X
AKH0267-3
AAZL (5 inch)
Drum
Includes a valve to raise the trailer for slider positioning
INTRAAX ® SP
X
AKH0267B-3
AAZL (5.75 inch LDA)
Drum X
AKH0310-3
307
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Refer to Hendrickson Literature No. L1182 - Controls Catalog
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