I need help 871

[Dert]

I need help from anyone that wants to offer it I have a 2010 international ProStar with a 871 I'm from Lexington North Carolina was on my way to do a job in California and my truck started smoking like a freight train in tucumcari New Mexico took it to a shop they said I possibly have a broke ring wanting to charge me $25,000 for a used junk yard engine that no one knows anything about looks like it come off the bottom of the pile of the junkyard no idea on Miles and thinks I'm that naive to pay that which I know is completely ridiculous being here for 6 days luckily I have a camper to live in trying to figure out my next option can anyone tell me a good reliable source to maybe just buy a complete new rebuilt engine I'm hoping maybe Rawze will message me back