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Re: Cummins Model HRF-6-BI(G
Posted to HD/Fleet Forum on 3/18/2025

It's diesel - about 640 hours on the meter.

It ran 20 years ago but they shut it down when they saw the exhaust starting to glow red and unfamiliarity with this engine.

I just got a shop manual from ebay for it and have had some time to look at it today - ... Login to read more.