Blakeyancey said: View attachment 334049 Click to expand... Nice Mack! What transmission is behind that 237? Ive got more than a few 237 Macks and actually tow close to what you were asking about. My DM600s are single axle dumps with a heavy rock body and they tow my 13 ton excavators around when needed on a 25 ton eager beaver triaxle tag trailer.