There're a lot of tractor, loader, lawn tractor, excavator manuals & lists of fault codes DTC
https://tractormanualz.com
https://www.truck-manuals.net/
Found fork lift manuals & dtc codes
https://forklift-manuals.jimdofree.com/
https://tractormanualz.com
https://www.truck-manuals.net/
Found fork lift manuals & dtc codes
https://forklift-manuals.jimdofree.com/