What are the chances you know RR tracks?

Gary Hey
Jun 16
2 min read

Lowboy, furniture, single/double drop, etc. Crossing a RR track with any low-slung trailer, and some with just a landing gear, especially with elevated approach and departure angles are a concern. With a heavy haul, the driver could have 5 switches to increase the chance of success. All must be engaged before entering the crossing and within reach of the driver.

Lock the Interaxle Diff.

Lock the fwd rear, Drive Diff.

Lock the rear rear, Drive Diff. (should be two separate switches)

Engage the Link SmartValve Over Inflation to raise the drive suspension.

Raise the lift axle.

Engaging these switches applies the max weight on the drives for best traction.

If OTR (Over The Road) you'll only have the Interaxle and STD, ATC for drive axle traction. ALWAYS spec 6S/6M, never 4S/4M with ATC. Adding the Link SmartValve maybe enough to make a difference. It can also be added aftermarket, reach out to Link for details.

How well do you know Vocational Chassis? Reach out to Zfactor for truck knowledge.

Email questions (stay anonymous). You don’t know what you don’t know. The best thing is to attend our 2 ½ day class or at least access eLearning and use GURU. Our promise is to leave the industry better than when we arrived.

56 specific Vocational chassis

Cold call specing on your phone or tablet.

www.zfactorconnect.com.

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