tryiny to find out all i can about it like size motor did miller make this one ect... got all this info off welder itself.

stock# 1350-1121
serial# u492501

motor info

Continental motor

model# F163

spec# 4274

motor is a 4 cylinder flat head

eng# 88341

Runs good got some water in oil maybe head gasket can anyone give me some input on her Thanks for time