Cat D6D

For starters this is kind of an odd situation. A operator friend of mine is trying to finish up a terrace job because the owner/operator of the dozer got in a bad traffic accident and is currently in the hospital. That being said I don't currently have serial number for the dozer. I guess the dozer runs fine other than it has no second gear. First and third gear seem fine but when he shifts into second there is nothing there. No abnormal noise. Is there something simple that could be...

Cat D6D

Cat D6D