Line of skid loaders from Gehl Co. has six models: 3640E, 4240E, 4640E, 4840E, 5640E and 6640E. Models range from compact Model 3640E with a rated operating load of 1,175 pounds to the Model 6640E with a rated operating load of 2,900 pounds. Roll-Over Protection cabs have Level II FOPS (Falling-Object Protection). Deutz 2011 Series diesel engines are used in the larger models and range from 46 hp on the 4640E to 82 hp on the 6640E. TNV Series Yanmar diesel engines are featured in the 3640E and 4240E and a 35-hp 3-cylinder is used in the 3640E.