D&RGW Baldwin K-37 #490. Originally built as Class 190 Class C-41 #1024? Just a guess. I am not that great with the steam locomotives lol.
Hahaha. No offence dude, but I know you way off. Judging by the poster, its an Australian Locomotive. And, 490, and wow for someone who says they arnt very good with locos thats alot of info you posted, doesnt have that little tank lookin thing near the cab.
At least we got someone to guess.
I myself haven't the slightest idea.