Its a GMC school bus with a 7.2l 3126 caterpillar engine. Also a brand new 5 speed Eaton transmission. It runs great. Drove it from prince Albert SK all the way to Campbell river BC. Great condition. Bus is a GMC chassy with brand new tires. We have it in storage in Comox BC. Drive shaft broke so it needs new caps. Great rear axle. It has 350000k.