New Challenger engines' 4-Valves, 6-Cylinders and higher horsepower drives increased productivity

The Challenger name has become synonymous with performance, versatility and reliable power in the agricultural tractor market. So, customers shouldn’t expect anything less from a new series of Challenger Endurance diesel engines, which are among the exciting and innovative features found on the redesigned MT600B Series tractors.

“The first two models to premiere under the Challenger brand name are an Endurance 74ETA 7.4 liter (451 cu. in.) diesel, which is used in the 180-hp MT635B and 200-hp MT645B, and the Endurance 84ETA 8.4 liter (512 cu. in.) unit, which showcases in the 220-hp MT655B and the 240-hp