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AbstractS-Series fleet gets better mileage, performance Improved fuel mileage and impressive overall performance by a demonstration truck-tractor had a domino effect on a leased, 25-unit over-the-road fleet serving Milwaukee's A. O. Smith Corporation. Aeru Leasing, Inc., transportation contractor for A. O. Smith's Consumer Products Division Kankakee plant, tested a diesel-powered International model 2275 "S-Series" demonstration tractor in April, 1978. After trials under different trailer loads with a number of drivers and under all highway conditions on a segment of A. O. Smith's 20-state distribution network, the demo averaged up to seven miles-per-gallon. "That seven miles-per-gallon represented a substantial savings when compared to the five mpg average of the older models in the fleet," says Louis H. Marcotte, President, Aeru Leasing. "We also learned that the drivers of the demonstration 2275 were finding the truck easier to handle." Aeru immediately bought the demonstration truck and took delivery on another five with identical equipment. In logging a collective 100,000 miles, the five units performed at the same fuel-saving level as the original. An additional five International 2275 S- Series trucks were ordered in December. Aeru has maintained a full-service contract with A. O. Smith for the better part of two decades. Routes extend from Kankakee as far east as New York and New Jersey, south as far as Arkansas, west to Kansas and Nebraska and north to Minnesota and the Dakotas. A user of gas-fueled engines in its fleet in the early 1960's Aeru standardized with Detroit Diesel power in 1967. The average Aeru truck runs about 8,400 miles a month, 100,000 miles a year. Analyzing the change in Aeru's power application, Marcotte explained that he decided to go "the full economy route" after conferences in early 1978 with George Brewer, Director of Transportation for the A. O. Smith Corporation, in Milwaukee. "We wanted adequate, economical horsepower," Marcotte said. "We wanted it installed in a truck promising simplified maintenance. Our loaded linkups seldom gross out in excess of 44,000 lbs. GCWR, and though we have INSPECTION — Looking over six of the 11 diesel-powered International 2275 truck-tractors purchased by Aeru Leasing, Inc., Kankakee, III., at the leasing company's headquarters, Louis H. Marcotte, right, Aeru President, and Aeru General Manager Robert A. Bott, second from right, are shown with George K. Anderson left, president, Anderson International Trucks, Inc., and Bill Cavanaugh, salesman for Anderson International Trucks. a couple of round trips that average about 1,600 miles, our normal length of run is 800 to 900 miles. We also wanted a truck-tractor assuring greater driver productivity with roominess, comfort and as little internal cab noise and vibration as possible." The 91.3 inch-BBC 144-in. wheel- base 2275 demo model was specified by Marcotte and Aeru General Manager Robert A. Bott. It and the subsequent S- Series truck-tractors combine a Detroit Diesel 6V-92TT Fuel-Squeezer diesel engine (rated 270 hp at 1950 rpm) with a six-speed manual transmission and a 23,000-lb. capacity International RA- 57 3.73:1 rear axle. The units also have modulated fan drive and 10.00 x 20 steel-belted radial tires mounted on spoke wheels. In addition, nose cones are fitted to the 13-foot-high drop- frame 40-ft. semi-trailers which are matched with the power units. The trailers carry average 20,000-lb payloads of gas, electric and oil-fired water heaters which are manufactured at A. O. Smith's Kankakee plant. Other truck specifications include an International 9,000-lb. front axle; 14- in., two plate angle spring clutch; power steering; 200-gallon fuel tank setup; 75-amp alternator with three, 12- volt, 104-amp maintenance-free batteries; 115-volt block heater for starting assistance in cold weather; and a cab-monitored Tel-Air system which permits drivers to remotely observe pressures in semi-trailer tires. Driver comfort-appointments include a Cush-N-Aire driver's seat, an IH Comfort Control Heater and Air Conditioner, an AM Radio with dual speakers, a CB radio and a combination AM-CB aerial, a chrome-finish exhaust stack and dual chrome air horns. "Given a continuation of the results the 2275's are giving us presently," Marcotte said, "we will probably consider a fleet-wide changeover and standardize with the International 2275. By using the same S-Series en- gine/chasses combination in all 25 units, we could save A. O. Smith about $52,000 annually in fuel costs. And that figure does not take into consideration service and maintenance benefits, cab quietness, and driver-comfort features of the 90-inch cab width." Chess fans can play grandmaster Chess fans at IH can have the chance to play Grandmaster Larry Christiansen, who will appear at the IHAA Chess Challenge Club at 7:00 p.m. April 25 in Conference Rooms 7 & 8. Christiansen will simultaneously play 30 contestants in the meeting, moving from one person to another after each move in rotation during the evening. He will also address the group with an interesting presentation. Christiansen first began playing chess at age 9, and soon began to collect a string of championship titles. He has represented the U.S. in several junior world championship tournaments, including contests in England, Yugoslovia, and Malaya, where he qualified for the Grandmaster title and placed first in the 1977 World Junior Championship. In the prestigious Lone Pine Tournament, he tied for second behind ex-world champion Tigran Petrosian. Those wishing one of the 30 spots against Christiansen should call extension 6628, or stop in at the Chess Challenge Club meetings at 4:00 p.m. Tuesdays. Deadline for entry is March 31. International Harvester Company P.O. Box 596: Ft. Wayne, Indiana 46801 ENGINEERING PROMOTION — Chief engineer Ray Heller and engineering co-op student Carol Dittrich, right, are interviewed by Wane-TV's Becky Hacksby, on Channel 15's "Emphasis" program, during National Engineering Week Feb. 19. Carol, a Purdue sophomore majoring in mechanical engineering, and Heller, were interviewed on the topic of career opportunities in the engineering profession. Carol is now in her second semester of co-op activity at IH's Truck Group Engineering.