Cat D6K2 dozer has been added to the updated line of machines that features Stable Blade Control and Eco Mode system, which delivers up to 22 percent better fuel economy than its predecessor. This model has a Cat C6.6 ACERT diesel meeting Tier 4-Interim standards with a rating of 130 net horsepower at 2,200 rpm. K2 models have hydrostatic drive with traction control, and wider blades improve productivity by up to 8 percent.