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john_Bud 10-27-2009 13:42:11 67.142.166.22 455556 Report to Moderator

The injection pump has a common failure in the governor ring. After thousands of hours and many years, the plastic fails and it needs to be replaced. The pump needs to be taken apart for that and a pro should be used (or have a good book handy!). If you mess up, it can result in a runaway engine - from what I've been told. No experience with a run away. Injection pump drive seals also give out over time and diesel dribbles into the crank case. Pretty easy to replace and pretty cheap too. The glow plugs (2) are in the intake manifold air stream and look like spark plugs on the outside and spiral resistors on the inside. They fail after 30+ years, but are pretty cheap and easy to replace. It does need heat added at temps below 40F or so. A block heater is better than the glow plugs. The injector bleed line manifold for excess fuel being returned to the tank can fail with time/vibration. That also leads to fuel in the crankcase. The manifold can be silver soldered or replaced (about $100). The engine is pretty easy to work on and it uses fuel about 1/2 as fast as the gas tractors. I would rather have a diesel than a gas engine, even with the cold weather issues - but I don't use it to plow snow. If winter snow plowing was one of the main chores, a gas engine may be better. HTH jb [Reply]   [No Email]