Chicago Pneumatic T29S 1312101035 Air Two Stage Air Compressor Pump, 5 hp, 15 cfm @ 175psi

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Chicago Pneumatic T29S 1312101035 Air Two Stage Air Compressor Pump, 5 hp, 15 cfm @ 175psi, B4900

The T29s bare compressor pump is a popular air compressor pump that has a cast iron cylinder, stainless steel valves, and a built in intercooler. The internal factory part number for this pump is 1312101035 and may sometimes be shown as 1312 1010 35 or 1312-1010-35. The old factory part number that may be shown in your parts book is 4116090112.

The flywheel is included with the pump and utilizes a “A” style belt groove. The flywheel diameter is 13.75”. A high temperature air hose or refrigeration copper could be used to connect to the tank.

This pump includes an intercooler and a pre-installed air cooled aftercooler. The intercooler helps remove much of the heat displaced after the air is compressed in the low pressure piston. Stainless steel reed valves are used to for long term reliability. The aftercooler cools the air prior to entering the receiver for moisture removal. This pump is designed to displace 15cfm when paired with a 5hp motor.

The T29S bare piston compressor pump is manufactured in Italy and has been used on a wide variety of compressor manufacturers, including Chicago Pneumatic, Atlas Copco, Quincy, BelAir, ABAC, and NAPA air compressors.

The T29S was used on the following BelAir compressors:

  • 216V
  • 218V

The T29S bare pump was used on the following Chicago Pneumatic piston compressors:

  • RCP-561VNS

The T29 bare piston compressor pump was used on the following NAPA piston compressors:

  • 82808PGT
  • 82808PGTH


  • Type: Splash Lubrication
  • Number of Stages: Two stages
  • CFM: 15.0 CFM @ 175psi
  • Flywheel Included: Yes
  • Max RPM: 1400
  • Outlet Size: 1" NPT
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