members of this forum have been a great help. thanks!
I've got a 4-53 gm diesel with blower running a 1967 hein-werner c12-hd hydraulic excavator. The engine was manufactured in 1966. The guys who know the series 53 engine are getting fewer and farther between. I need a tachometer and the...
I have 1966 4-53 diesel engine in a hydraulic excavator of the same year. Today when I started the engine it floored itself to full throttle and held itself there for about 20 to 30 seconds in spite of the fact that I had the throttle off. Then it dropped itself down to idle. I always push the...