Prev Next Mack — Camelback Description This progressive spring suspension for off-road and severe-service vocational applications has been around since 1948. The design with its large inverted spring and bouncy rubber load pads (aka elephant’s feet) provided ATRO an opportunity to dramatically improve the ride quality for which this suspension is notorious. Mack Camelback Fast Facts Mack — Camelback Type Progressive spring suspension for off-road and severe-service applications Features Large inverted spring and bouncy rubber load pads (aka elephant’s feet) Problem Areas Poor ride quality due to large inverted spring and bouncy rubber load pads (aka elephant’s feet). ATRO Solutions Tech Tips and Additional Resources ATRO benefits: Specially formulated for this application, ATRO’s proprietary polyurethane takes the bounce out and acts to absorb shock. The significantly improved ride is immediately noticeable ATRO reduces cab damage and T-leaf breakage, too Extended life load pad ATRO Load Pads: Low rebound – no bounce Chemically resistant Don’t mix ATRO with others Wear Items Load pads Trunnion bushings Torque rod/torque rod bushings Key Parts Upper Pad MA36500 MA37000 MA32000 All Products Lower Pad MA36000 MA37200 MA36000-OFF (offset spin) All Products Trunnion Bushing MA10000 MA20000 All Products Tapered Bushing TM38000 All Products Tapered Bushing TM38000 All Products Details Mack Camelback Suspension details showing U-bolts and trunnion housing. Prev Next