Owner operator truck driver in trouble

Hello, my bame is Tim. I am fundraising to raise money to help save my business.(TnT McCoy Transport) I am a owner operator truck driver, just myself and my tractor. Just yesterday my truck had a catastrophic engine failure. I do everything and anything to fix and maintain this truck and it has done nothing but give me problems. I cant sell it. It now sits in the shop and they quoted me 20,000 for a complete engine rebuild. And im in desperate need to keep this truck on the road. All funds go directly to tractor. And would be grateful for any help. Thank you so much