Emerson C55JXHJW-4084 Vacuum Pump, HP 1/2, 115 Volt, HP 1/2, 60Hz, RPM 1725

Emerson C55JXHJW-4084 Vacuum Pump, HP 1/2, 115 Volt, HP 1/2, 60Hz, RPM 1725

Condition: Used

The Emerson C55JXHJW-4084 is a 1/2 horsepower (HP) vacuum pump motor designed for reliable performance in low-pressure vacuum systems. Operating at 1725 RPM and powered by 115V single-phase electricity, this motor is well-suited for light to medium-duty industrial, commercial, and laboratory applications. Known for its solid construction and dependable service life, it is commonly used as an OEM replacement in vacuum pumps, particularly in HVAC, lab suction systems, and small commercial machinery.

Motor Specifications
Brand: Emerson Electric
Model: C55JXHJW-4084
Horsepower: 1/2 HP
Voltage: 115V
Frequency: 60 Hz
Amperage: Approx. 7.2 Amps (typical for 1/2 HP at 115V)
Speed: 1725 RPM
Phase: Single-phase

Features
Quiet operation – Designed for smooth, consistent vacuum generation
Balanced performance – Ideal for systems requiring steady RPM under load
Standard motor shaft – Compatible with many aftermarket vacuum pump heads
Serviceable design – Bearings and capacitors may be user-replaceable
Reliable in HVAC or lab settings – Proven under continuous use cycles

Applications
Commonly found in or used for:
HVAC Refrigerant Recovery Units
Vacuum Pumps – Rotary vane, diaphragm, or piston-type pump heads
Medical and Dental Suction Equipment
Laboratory Equipment – Filtration, aspiration, and vacuum drying systems
Industrial Machinery – Where 1/2 HP vacuum support is required
OEM Equipment Replacement – In brands using Emerson motors

Cross-Referenced & Related Emerson Models
C55JXKTF-4085 – Similar 1/2 HP, 115V vacuum application
C55JXJKL-4082 – Comparable 1725 RPM motor
C55JXKJD-4083 – Same output class, used in alternative vacuum units
Dayton 5K934 – Equivalent 1/2 HP, 1725 RPM, 115V motor for vacuum duty

Comparable Products
Baldor VM3546 – 1/2 HP, 1725 RPM, TEFC, 115V motor
Leeson 110088.00 – Vacuum pump motor, same speed and HP class
A.O. Smith C48K2PA105 – 1/2 HP replacement for light-duty vac systems
Dayton 6K778A – General-purpose 1/2 HP motor, usable in vacuum applications

Part of a Larger System
This motor is typically mounted in:
Vacuum Pump Assemblies – Drives rotary vane or diaphragm-style vacuum heads
Refrigerant Recovery Machines – Pulls vacuum during system evacuation
Dental or Laboratory Vacuum Stations – Steady performance under continuous duty
Compressed Air/Vacuum Skids – Often paired with pressure regulators and gauges

Related
1/2 HP vacuum motor
Emerson vacuum pump motor C55JXHJW-4084
1725 RPM 115V electric motor
Single-phase motor for lab vacuum
Direct replacement motor for HVAC vacuum systems

Common Requests:
“Is the C55JXHJW-4084 compatible with Robinair or JB vacuum pumps?”
“Can this motor run continuously in a lab suction system?” ✅
“What frame size does this Emerson motor have?” (Typically 56C – confirm plate)
“Can I reverse motor rotation for my vacuum application?” ✅ *(If reversible)
“What capacitor does this motor require?” (Check motor nameplate or data sheet)

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