just wanted to let ya know i have a 67 sw48 parts manuel and owners manuel if you would like me to send them so you could digitize them send me your addy and we will do it up we had 3 bombardiers now we have 1 that is a foot wider on the tracks must be the 60 i just was always told it was put together after production to stop it from being tippy works well in the woods we have used this paticular 1 since like 1978 well let me know where to send it hear from ya soon.