Ingersoll Rand Radial Engine Railroad Air Compressor 3-R-36 Vintage - $1,200 (Pansey)

Ingersoll Rand Radial Engine Railroad Air Compressor 3-R-36 Vintage 1 thumbnail

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condition: salvage

make / manufacturer: Ingersoll Rand

model name / number: 3-R-36

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Old Ingersoll Rand "Spot Air" model 3-R-36 radial engine and air compressor. Three cylinders burn gasoline, the other three compress air. I have been told these were used by the railroads many decades ago. These would be great for a collector, but are not really practical to use just for a normal air compressor.

There are two compressors here:
One is complete but has seized from sitting, meaning I can not turn it with the pull start wheel or even by grabbing the fan with my hand. I have not attempted to use any kind of tool or cheater bar. This one did run twenty or so years ago.
The other is a parts unit, it had been dropped or hit by a forklift before I got it, has damage and a few parts missing.

These is a lot about these IR Radial compressors to be found by searching the net, including videos of some running.

If this listing is still here, the compressors really are still available.

post id: 7879712956

posted: 2025-09-07 09:46

updated: 2025-11-20 17:06

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Ingersoll Rand Radial Engine Railroad Air Compressor 3-R-36 Vintage...

Old Ingersoll Rand "Spot Air" model 3-R-36 radial engine and air compressor. Three cylinders burn gasoline, the other three compress air. I have been told these were used by the railroads many...