Pump is still in the valley and still a Stanadyne rotary. The US Military has had a miserable time with them over in Iraq with the high heat, and thin fuel. After they started adding armor to the HUMVEEs, they run even hotter with worse problems.
With the Ford-IH engines - cavitation was not a problem with the thicker walled and lower powered 6.9s. It all started when the 6.9s got bored out to 7.3. The 7.3s though seem to hold up fine if a coolant-conditioner is used.
With the 6V53s - most got condemned for being underpowered in my area with lot so hills. I still have two machines with 3-53s, and one with a 2-53. They've been rock solid engines - just little to no oil pressure at idle when hot.
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Today's Featured Article - Tractor Proflie: John Deere Model R - by Staff. The John Deere Model R, the last of the lettered tractors, was the first diesel-powered tractor produced by John Deere with a gasoline starting engine. It was also the first tractor they produced that had an optional steel cab. The photo above shows the tractor w
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