D-11 dozer rolled down the embankment and they had to use the dragline to pull it out
this post was submitted on 27 Sep 2024
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I would have figured a 32L engine put out more power than that. It's comparable to the 800hp in our silage chopper with an 18L.
It's the gearing and weight that make a dozer powerful. I've worked first hand with D-11s around me, and they are incredible machines.
Oh, absolutely. I've never used anything bigger than a 6, but driven a few 40k# 4WD tractors that are putting down 6 or 700 hp with much smaller displacement engines than that, though I wonder about comparative duty cycles since they'll never see more than about 7-10k hours before an overhaul. I also see 3406s with way more hours than that without rebuilds, or maybe just a cylinder done in their lifetimes.
Lower compression ratios are a common trick to increase longevity and fuel compatibility. You reduce horsepower and fuel efficiency, but gain reliability.