The Xinjing Mine fleet applauds Allison transmissions for improved mining dump truck reliability, reducing downtime and increasing efficiency even in the most challenging conditions.
BEIJING, China, 13th of January 2014 – Wet, slippery, rocky and uneven – just some of the difficult conditions at Xinjing Mine located in Qingtongxia, Ningxia. Add frequent manual transmission breakdowns and long delays for replacement parts, and even the best drivers cannot operate efficiently, not without the right equipment. Fleet Captain Ha Quanyou at Xinjing Coal Ltd. Company knew manual transmissions were not getting the job done. This year, he chose automatic dump trucks – the GL8606K420CA6K Xi Bei Lang, fitted with a Cummins ISME420 30 engine and the reliable Allison 4500ORS transmission.Xinjing Mine is characterized by steep, rutted slopes and reduced visibility from airborne sand and road dust, limiting trucks to 30km/h for safety. Every day, dump trucks make 40 5-km trips over inclines of more than 200 meters, while carrying 30 tons of coal cinders one way. This unrelenting year-round marathon seriously tests mine vehicle reliability, with any downtime significantly impacting the company’s annual production goal of more than 2 million tons of coal.
Before purchasing 10 Xi Bei Lang mining dump trucks, the fleet at Xinjing Mine imported trucks equipped with manual transmissions. In this demanding environment, the more than 60 manual mining dump trucks experienced tremendous transmission, clutch and rear axle wear. The unforgiving terrain requires constant gear changes, which led to countless breakdowns and needed repair parts for manual transmissions which took a month or longer to import from overseas OEMs. Driver Wei Baoan said that at one time there were as many as 50 manual vehicles awaiting repair – sitting idle at a cost of 3000 to 4000 yuan per day per driver. With manual transmission breakdowns all too common and too costly, manufacturer Guoli Heavy Industry guaranteed the fleet a 90 percent or above uptime rate with the Allison-equipped Xi Bei Lang trucks. Since beginning operation, there have been no penalties, which would have resulted if the uptime fell below the guaranteed rate. In fact, there have been no transmission breakdowns at all, earning Allison’s superior performance the unanimous recognition of fleet drivers.
Since Allison transmissions automatically select gears based on road conditions, they ensure superior shifting strategies. Driver fatigue is greatly reduced along with vehicle wear and tear. Operating smoothly and efficiently, on paved and dirt roads, regardless of steep slopes, Allison improves mine operations, delivering greater operational efficiency.
From behind the wheel, driver Wei Baoan praised Allison’s maneuverability, which allowed him to adapt quickly to using automatic transmissions. “Automatic transmissions substantially lower the need for advanced driver training, eliminating bad driving habits and minimizing transmission and vehicle damage to extend a vehicle’s life-cycle,” Baoan said.
The vast Gobi Desert stretches to the horizon below a high cliff at Xinjing’s Well1 operational site. Driver Baoan is handling one of the new Allison-equipped dump trucks, loading coal cinders and heading toward a rugged drop-off. As he stops the truck at the very edge, there is no jarring or jerking and absolutely no slipping back or rolling forward. The truck begins pouring its 30-ton load over a nearly 90 degree cliff. Despite this perilous task, Baoan looks quite relaxed. “Allison transmissions have high reliability and provide excellent maneuverability. What is there to worry about?” he said.
He and other drivers experienced how manual trucks would easily slip back when climbing long slopes, but the Allison transmissions deliver continuous power to the wheels, enabling loaded vehicles to go uphill easily. Captain Ha Quanyou at Xinjing Coal Ltd. Company agreed. “We need mining dump trucks that have excellent performance, with a strong capability to climb hills with heavy loads and a low breakdown rate. Xi Bei Lang trucks equipped with Allison transmissions are our preferred choice,” he stressed.
About Allison Transmission
Allison Transmission (NYSE: ALSN) is the world’s largest manufacturer of fully automatic transmissions for medium- and heavy-duty commercial vehicles and hybrid-propulsion systems for city buses. Allison transmissions are used in a variety of applications including refuse, construction, fire, distribution, bus, motorhomes, defense and energy. Founded in 1915, the company is headquartered in Indianapolis, Indiana, USA and employs approximately 2,800 people worldwide. With a market presence in more than 80 countries, Allison has regional headquarters in the Netherlands, China and Brazil with manufacturing facilities in the U.S., Hungary and India. Allison also has approximately 1,400 independent distributor and dealer locations worldwide. For more information, visit www.allisontransmission.com.
Connie L. Hong
China Imperative Consulting
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Allison Transmission Asia Pacific
+86 (10) 6468-6800, Ext. 8818
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