HP50 #01A2E0
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Model Numbers: HP50
Click Here for a parts breakdown
NOTE! The HP50 is the original Pump but is obsolete. The HP51 will retrofit as a replacement with a few modifications. Click on 'Extra Details' tab above for more info!
Specifications
- 37 CFM @ 100 PSI
- 7.5 - 10.0 HP
- Min RPM 700 Max RPM 1000
- Max Pressure 175 PSI
- 19.70" flywheel.
- Bore LP 5.12
- Bore HP 2.76
- Stroke 3.74
- Belt B-2
- Weight 187 lbs.
- 19.7 L x 16.23 W x 28.00 H
- Bolt Footprint 11.42" Side to Side; 9.06" Front to Back
- 72.64 oz. oil capacity
Extra Details
The HP50 Pump is obsolete, but the replacement HP51 can retrofit onto your tank.

Technical Documents
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Rolair 431 Air Filter Element #081096
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Oil Site Gauge #048AAE
Price: $30.46Air compressor oil site gauge and gasket. Replace if cloudy or leaking.Specifications 1" diameterPrice: $30.46 -
Safety Valve, 1/4" MPT, 225 PSI #11632E
Price: $11.48Old Part Numbers: V-215110AV, SRV250225, 1229O-225Air compressor safety valve, 1/4" male NPT, 225 PSI. If your valve leaks below the pressure listed on the side of the valve, replace this vital...Price: $11.48 -
Air Filter Assembly Kit, 1" MPT #05C118
Price: $135.00Old Part Numbers: CK30310Complete metal air filter assembly for air compressors with filter element plus 3 extra filter elements. 1" MPT threaded inlet. Takes the #14-SOL Filter Element. Fits the...Price: $135.00 -
HP51 Air Compressor Pump Replacement, Complete Assembly, Two-Stage, 10-15 HP #048ABA
Price: $2,241.36Complete HP51 Air Compressor Pump Assembly, including flywheel, aftercooler, and air filter assembly. 10 - 15 HP. Need oil?Price: $2,241.36 -
Price: $1.95 -
Price: $39.08 -
Price: $23.86