ZMD ® Zero Maintenance Damping ® Technology
GENUINE PARTS
Robust Down Stop • Reduced labor and costs • Less maintenance • Reduced risk of roadside inspections and CSA violations Patented Air Spring • Superior ride quality and driver comfort • Reduced overall suspension maintenance • Uniform damping levels over the life of the air spring • Enhanced cargo protection • Increased trailer component life ZMD ® Features and Benefits
WARRANTY TERMS
ITEM
PARTS
LABOR
ZMD ® “Shockless” Ride Technology
ZMD Air Springs ZMD Down Stops
3 years
3 years
*See L583 Comprehensive Warranty Statement or contact Hendrickson for complete warranty terms, conditions and limitations. Traditional Air Springs & Shock Absorbers Air Springs 2 years 1 year Shock Absorbers 2 years 2 years
Tested and proven ride technology from Hendrickson
Hendrickson’s state of the art research and development, testing and real-world driving evaluations have shown that ZMD technology provides superior suspension damping, which offers enhanced ride quality, driver comfort and cargo protection.
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Ride Comfort Improvement
ZMD Technology
Cargo Protection Improvement
Industry-Leading Air Suspension
Vehicle Speed at Road Input
ZMD Technology
Industry-Leading Air Suspension
Specifications
MODEL
SYSTEM CAPACITY AXLE DIAMETER
RIDE HEIGHTS
NOTES
ULTRAA-K ® UTKNT 40K VANTRAAX ® HKANT 40K HKANT 46K HKANT 23K HKANT 69K23
16"
Standard
40,000 lbs.
LDA ™ Large-Diameter Axle
40,000 lbs. 46,000 lbs. 23,000 lbs. 69,000 lbs. 50,000 lbs. 69,000 lbs. 75,000 lbs. 23,000 lbs. 23,000 lbs. 25,000 lbs. 23,000 lbs. 46,000 lbs. 69,000 lbs.
LDA LDA LDA LDA LDA LDA LDA LDA LDA LDA LDA LDA LDA
16”
Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW Optional; Requires QUIK-DRAW
16”, 17” 16”, 17” 16”, 17”
HKAT 50K
16”, 17”, 18” 16”, 17”, 18” 16”, 17”, 18”
HKAT 69K25 HKAT 75K25 INTRAAX ® AANT 23K AAT 23K*
14", 15", 16", 17" 14", 15", 16", 17"
Optional; Standard travel only
Optional; Standard travel and limited rebound* Optional; Standard travel and limited rebound*
AAT 25K*
14", 15", 16", 17", 18", 19"
INTRAAX ® SP AAZNT 23K AAZNT 46K
13.5", 14", 15", 16", 17" 13.5", 14", 15", 16", 17" 13.5", 14", 15", 16", 17"
Optional Optional
AAZNT 69K23 Optional *RCA Raised-Center Axle is available on AAT 23K / 25K models equipped with ZMD for both standard and limited rebound travel. Only 14” or 16” ride heights are available with limited rebound travel when spec’ing RCA.
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www.hendrickson‑intl.com
Refer to Hendrickson Literature No. L1209 - ZMD ® Zero Maintenance Damping ® Technology
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