Pumper Truck Fire Engine. This vintage 1965 Mack C fire truck has a Mack 673 turbocharged diesel engine with 250 horse power and 45’864 miles. The transmission is a five speed and geared to do about 65 miles per hour down the road top speed. The pumper truck fire engine had been fitted with a new 750 gallon polyethylene water tank. We have the siren and a replacement seat. A very unique fire truck with inside and out side windshield wipers. The fire truck runs great and can be driven away.