nick lambden:
Good picture. Looking different than I remembered. They were good motor’s . Bardon till then only ran Foden 8wheelers. we had a lot of problems with the 12 speed gearboxes rebuilt a few of them.Sent from my FIG-LX1 using Tapatalk
Yes, at our Tilcon quarry we always had a spare box built up ready to swap! 
Mainshaft rear nut and front bolt coming loose, and layshaft bolts shearing off.
Pete.