Make sure idle down and push hard on brake if necessary a couple times before going into reverse or park. Also it’s a high rpm low horsepower engine. For any kind of load like grading use low range to keep rpm’s up. Also. Make sure your in neutral , stoped with rpm’sdown to go into 4wheel drive or lock differentials and then only go straight with locked differential. This can be a high maintenance machine. Highly electronic, digital and perhaps overly complex.