Spec'ing the proper suspension support

Spec’ing the proper suspension support

SAF-Holland has expanded its CBX Series Air Suspension/Slider Axle System with the SAF CBX46 and CBX50 models. The 46,000-lb. capacity SAF CBX46 features a trailing arm shared with the SAF CBX23 Air Suspension Axle System, the company notes, to provide strength and add load capacity by minimizing weight.


The 50,000-lb. capacity SAF CBX50 for heavy-duty van and reefer applications shares the same structure as the SAF CBX25 Air Suspension trailing arm. All CBX Series suspension/slider axle systems come standard with Black Armour, a metal protection process.

SAF-Holland also offers the integrated Yoke Mount Air Suspension Axle System, the CBXy Series that is specially designed for lowboy and drop deck trailer applications. The cast steel yoke mount beam is available on the SAF CB25Xy with a 25,000-lb. capacity and the CBX25-30y, rated for 30,000 lbs. of load carrying capacity at creep speed and 25,000 lbs. in on-highway operations.

Hendrickson offerings include the AIRTEK integrated front air suspension and steer axle system. The system, according to the manufacturer, saves up to 97 lbs. on some truck models compared to two-leaf springs with a traditional forged front steer axle. AIRTEK is available on Freightliner, Western Star, Mack and Volvo models.

Hendrickson’s HTB LT lightweight non-torque reactive rear air suspension, according to the manufacturer, is designed to weigh up to 305 lbs. less than a typical 40,000-lb. capacity suspension. The suspension’s non-torque reactive design, the company says, helps deliver smoother operation with Navistar’s line of big bore engines. The suspensions carry the vertical load on a combination of steel and air springs by riding on a full cushion of air.

The DockMaster 400 (DM400) air ride slider trailer suspension from Reyco Granning is rated for 40,000 lbs. capacity on dry freight and refrigerated trailers, and in Trailer on Flat Car (TOFC) intermodal applications.

Reyco Granning AR Series suspensions for heavy-duty applications can be spec’d to carry loads of 23,000 to 30,000 lbs. per axle. The fixed axle air ride trailer suspension are offered with overslung and underslung axle connections, with weld on or bolt-on hangers, and have the ability to rotate axles for air chambers in the down or up position to meet clearance needs.

Ridewell Suspensions include the RSS-233 product line, a 13,200-lb. capacity model with a compact mounting envelope. The RSS-233 13K model is offered in 10- to 20.5-in. ride heights. The company’s RAR-266 Series trailer air ride suspension is available in narrow and wide pivot bushing models as well as 23,000- and 25,000-lb. capacities.

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