1970 GMC 4905 (BUFFALO) THE ENGINE IS A 8V-71 WITH 4 SPEED MANUAL TRANSMISSION. THIS COACH HAS IT ALL AND IT’S READY TO GO! 100 gal WATER, 100 gal SEWER 50 gal LP TANK, 6.5 ONAN GENERATOR, LOTS OF SOLAR, 2 FLAT SCREEN TV’S, ROPE LIGHTS, DECK ON TOP, ROOF AIR, OUTSIDE ENTERTAINMENT CENTER AND MUCH MUCH MORE!