By Alan M. Petrillo
KME has delivered a second tractor drawn aerial (TDA) to Summerville (SC) Fire Rescue, two years after the first KME-built TDA arrived in town.
The rig is what Cameron Marler, apparatus sales representative for Safe Industries, who sold the TDA to Summerville, calls a “true truck, a straight TDA with no pump and no tank.” The 101-foot AerialCat™ TDA is built on a KME SSX™ LFD (long four door) cab and chassis with a 10-inch raised roof and seating for six firefighters, five of them in H.O. Bostrom Series 550 SCBA (self-contained breathing apparatus) seats, an AXIS Smart Truck Vehicle Monitoring System, a 101-foot Steel-Safe™ aerial ladder, and an EZ-MRS™ Aerial Maintenance Reduction system.
Overall length on the TDA is 58 feet 5 inches, overall height is 11 feet 5 inches, with a tractor wheelbase of 162 inches, and a trailer wheelbase of 343 inches. The front axle has a gross axle rating of 22,000 pounds, the tractor’s rear axle rates at 31,000 pounds, and the trailer axle has a rating of 23,000 pounds, Marler points out. The rig has a Steertek NXT front axle assembly, and is powered by a Cummins 656-horsepower (hp) X 15 diesel engine, and an Allison 4500 EVS automatic transmission.
The Summerville TDA has an overall length of 58 feet 5 inches, and overall height of 11 feet 5 inches.
Jason Behler, KME sales application engineer, says the Summerville TDA has a 101-foot vertical reach, a 94-foot horizontal reach, a 2.5 to 1 structural safety factor, a 500-pound unrestricted tip load, a 14-foot outrigger stance, a minus-7 degrees to plus 80-degrees elevation range, and a 7-inch display at the control console. The tiller cab features a no post windshield, he notes, and a green light on top of the body is visible from the tiller cab for better tiller operator orientation.
Roger Wnek, Summerville’s maintenance coordinator, says Summerville covers a population of 52,500 people from five fire stations staffed by paid firefighters and a small number of volunteers running five engines, two TDAs, a light/air heavy rescue hazardous materials unit, and BLS ambulance units, with three engines and a Sutphen aerial platform in reserve. “We’re the seventh largest city in South Carolina, being an outlying suburb of the city of Charleston,” Wnek said. “We cover three counties — Dorchester, Berkley and Charleston, and serve 19,000 households spread over 18 square miles of agricultural, woodland, open space, residential, commercial and industrial areas.”
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