Haulmaxx EX now available on Mack LR and TerraPro
Mack LR and TerraPro models can now be ordered with optional Haulmaxx EX suspension systems.
The option on cabover models offers capacities of 40,000, 46,000 and 52,000 lb., with site ratings up to 75,000 lb.
The OEM says the heavy-duty rubber suspension also increases durability and maximizes component life.
Haulmaxx EX suspensions adjust to loads using a progressive load spring system, enhancing rides when empty and stability when loaded.
No lubrication is required, and there are fewer bushings to maintain. An integrated jounce stop, meanwhile, protects rubber components from compression.
Those equipped with the suspension enjoy increased tire clearance and up to 17 inches of diagonal wheel articulation. Tire clearance was improved to include packages with 315 tires and nine-inch steel wheels, while continuing to meet the SAE standard for tire chain clearance.
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