I personally would not change speed or direction without throttling down.you will work yourself to death with the hand operated throttle lever. Email 1-80 Compass Equipment - Website Video chat with this dealer Atlanta, GA - 386 mi. I can't imagine clearing trees and such without it. My 550g has an accelerator pedal (not decelerator). Case 850E Crawler Dozer power, features, specification, mileage and price. And as Dickjr says, the hi/lo/neutral levers can be used to turn also. So I sometimes slightly tap one of the brake pedals to make a turn. When you further depress the brake pedal it then applies stopping force. Dozer work: 2005: small diesel vs The average cost of a tiny home per square foot is 300, 3 The average cost of full-size houses is increasing The Case. When you slightly press the brake, it releases power to its respective track. The brake pedals have two positions that you may or may not be able to feel. Case 850k lgp dozer runs and operates equipped with 6way blade Cummings Diesel engine operating weight 19,900 pounds 6,600 hours good under carriage good pads for more info please call see video th. It doesn't hurt to use the brakes to turn but of course there is always wear. My experience is with a 550g, which sounds the same as your 850g from a control standpoint.