SUSPENSION SYSTEMS DEFENSE
HAULMAAX ® EX / ULTIMAAX ® Heavy-duty and severe-duty rear rubber suspensions • Load springs offer tremendous roll stability for vehicles traveling in harsh environments and are adjustable to help improve ride quality for different body and equipment configurations • Up to 17.5 in. of diagonal articulation helps keep the axle in traction for greater off-highway mobility • Reduced maintenance with fewer bushings and no lubrication requirements STEERTEK ™ NXT High-capacity front steer-axle and suspension system • Full system designed for optimal control under heavy braking, providing increased wheel travel and lower spring rate to improve ride quality • Compatible with drum and disc brakes • Provides weight savings vs. traditional forged I-Beam axles with multi-leaf spring packs • Proprietary threaded pin bushings increase roll stiffness • Capacity up to 20,000 lbs.
For over a century, Hendrickson’s products have carried countless loads of freight and raw materials both on- and off-highway. Our expertise as a global manufacturer and supplier of heavy-duty suspensions don’t stop there – based on our commercial vehicle suspension technology, we also supply products for robust defense vehicles that support and protect armed forces around the world. Hendrickson has supported defense applications for over 85 years through various programs, including the M915 and M916 tractors and the HEMTT, HET, PLS, MVT, MTVR, LVSR, MRAP, HMMWV, Army Heavy Dump Truck and M870A2-S MHET trailers. Through our experience and strengths in design and development, we understand that each defense application is demanding, and thus, requires proven technology. Our involvement early in the process enables Hendrickson to deliver reliable, durable and innovative suspension systems to help support and protect those who protect us.
HAULMAAX ® EX
PRIMAAX ® EX Severe-duty vocational rear air suspension
• Optimized geometry contributes to high roll stiffness characteristics • Axle connection and torque rods help reduce torsional axle stress and driveline vibration • Large-volume, low-frequency air springs help smooth the ride in rugged conditions • Up to 12.5 in. of diagonal wheel articulation for superior mobility • Compatible with HPAS ™ suspension for active ride height control and load leveling • Capacities of 23,000 and 26,000 lbs. (single axle), 46,000 and 52,000 lbs. (tandem axle) and 69,000 and 78,000 lbs. (tridem axle)
HPAS ™ High-performance air suspension system • Complete ride height with spring damper control system, improves vehicle handling and increases roll stability • Reduced packaging size and easy vehicle retrofit packages capacities up to 52,000 lbs. — ULTIMAAX ® severe-duty suspension is available in capacities up to 70,000 lbs. • Systems can be tailored to meet the specific requirements for frame width, ride height and axle spacing for unique vehicle applications • HAULMAAX ® EX heavy-duty suspension is available in tandem
ULTIMAAX ®
• Debris and environmental resistance • Provides raising and lowering capability • Multiple ride height capability
• Adaptable to multiple load range requirements, increasing payload capability while maintaining ride quality at all load ranges and multiple axle combinations
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