Heavy Duty Trucking

NOV 2014

The Fleet Business Authority

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96 HDT • NOVEMBER 2014 www.truckinginfo.com Management Solutions, says as much data as they can gather on tires is put to use every day. Perry says it starts with how they spec the truck for its intended appli- cation, including the specific model of tire. Over time, they have collect- ed data on similar trucks in similar tion," he says. "Virtually any time that vehicle pulls into any of our shops for any type of service, we put data from that truck and its tires into our shop maintenance system. That gives us a picture of that vehicle's performance and how many miles per thirty- second of tread depth we're able to achieve within that application." Armed with that amount of information, Ryder can manage life expectancy of the tire, and determine whether they have the correct tire on the truck. "Sometimes we make one assump- tion on the application a vehicle was going to be in, then the customer changes their business model," he observes. "If we see something unex- pected, maybe accelerated wear, then that tells me we might need to look at a different type of tire." But for all the diligence in data col- lection and analysis, Perry acknowl- edges that getting better value from your tires comes down to three things: pick the correct tire for the job, keep it running straight, and keep it inflated. Tood Cotier, director of mainte- nance at Hartt Transportation in Bangor, Maine, has had some success with his tire program using what might be described as the 5,000-foot approach. He watches his tires closely, but not daily. He has been running the same two brands of single wide tires since 2005, and the mileage he sees from those tires is pretty predictable. Any signifi- cant variation from that number gets his attention. "We expect to get 230,000 miles from the low-rolling-resistance wide- base tires before we pull them from drive axles at 6/32nds" he says. "After that we put them on the trailer and I stop tracking them." Cotier says it's just not worth the trouble. "We don't run hubodometers on our trailers and we've got three-and- a-half trailers for every power unit," he says. "It would be too complex to track them beyond that point, and it's applications with similar tires. "Throughout the course of the life of that tire, we capture performance stats and we monitor the number of miles that the vehicles operate, but we're also capturing tire pressure and tread depth readings as that vehicle comes in for a maintenance inspec- Tires&Wheels WINTER 2014 0˚F CRITICAL LOAD From 0˚ F to 96˚ F in .16gph 66% reduction in PM emissions 29% reduction in CO Fuel savings of .84 gph on every start* Full equipment readiness in the coldest climates D5 Espar Heaters: They Just Make Sense www.espar.com (800) 387- 4800 * PRE-HEAT IDLE FREE TROUBLE FREE 0˚F 100˚F Field Test Data - Fairbanks, Alaska, February 2013. Hydronic D5 Heater Running Time/Pre-Heat minutes 60 minutes. Tests conducted by AJ Engineering Corp. Engine: Troy, MI. 7.6 L / 466 cu. in. *Based on a $4 gallon. Circle 162 on Reader Action Card

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