We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Red cast iron and aluminium air compressor pump with large flywheel

Chicago Pneumatic

Chicago Pneumatic 4116091337 Air Compressor Pump 5.5 hp Single Stage

SKU CH-143K-X0M1M

Single-stage air compressor pump delivering 11.1 cfm at 130 psi with a 5.5 hp motor running at 1,250 RPM

  • Delivers 11.1 cfm at 130 psi for strong pneumatic tool performance
  • 5 hp single-stage motor supplies ample power for demanding workshop tasks
  • Cast iron and aluminium construction resists wear and extends pump life
  • Stainless steel reed valves maintain reliable sealing under continuous operation
  • 1,250 rpm pump speed balances airflow with reduced component stress

Pump Purpose & Fit

This Chicago Pneumatic 4116091337 air compressor pump delivers 5.5 hp of single-stage power for workshops and light industrial use. Its two-cylinder, splash-lubricated design suits users who need a dependable replacement pump for existing tanks or custom builds.

Pressure & Flow Limits

The pump produces 11.1 cfm at its maximum pressure of 130 psi while running at 1,250 RPM. Single-stage compression means output drops as pressure climbs, so continuous demand near the top end will exceed the pump’s practical capacity.

Upgrade Context

It replaces worn single-stage pumps of similar horsepower and flywheel size, offering a cast-iron cylinder and stainless-steel reed valves for longer service. The step up is worthwhile when an older unit can no longer hold 130 psi or when the flywheel diameter and groove section must match the existing drive.

Highlights

  • Delivers 11.1 cfm at 130 psi for strong pneumatic tool performance
  • 5 hp single-stage motor supplies ample power for demanding workshop tasks
  • Cast iron and aluminium construction resists wear and extends pump life
  • Stainless steel reed valves maintain reliable sealing under continuous operation
  • 1,250 rpm pump speed balances airflow with reduced component stress

Specifications

BrandCHICAGO PNEUMATIC

Questions about this item

Should I choose the 3.5 hp or 5.5 hp version of this pump?

The 5.5 hp rating delivers 11.1 cfm at 130 psi, while the 3.5 hp option provides less flow; match the horsepower to your air demand and available power supply.

What does the 11.1 cfm at 130 psi figure mean for my workshop tools?

It means the pump can supply 11.1 cubic feet of free air per minute at the maximum 130 psi, enough for intermittent use of impact wrenches, spray guns or sanders that require that pressure and flow.

How does the single-stage design and 1250 RPM speed limit pressure output?

A single-stage pump compresses air in one stroke, so 130 psi is the practical ceiling; the 1250 RPM flywheel speed is set to reach that pressure without overheating the cast-iron cylinders.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.