Can anyone tell me who supplies drawings/castings for a 4" scale Fowler agricultural engine? MJ Engineering supplies a 2" and 3" version and I know 4" versions exist but I can't find the supplier. Regards, Harry MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.