Baldor 5HP Motor on a 56HZ Frame at 3450 RPM Rolled Steel Compressor Motor Duty - Foot-mounted

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- HP - FRAME SIZE - RPM - PHASE - VOLTAGE - ENCLOSURE TYPE(ODP OR TEFC) - SHAFT DIAMETER - SERVICE FACTOR
PLEASE NOTE: NEVER ASSUME THE INCOMING VOLTAGE. ALWAYS CHECK INCOMING VOLTAGE BEFORE ORDERING A REPLACEMENT MOTOR.

Frame: 56HZ
RPM: 3450
Shaft Diameter: 7/8
Full Load Amp: 23.8-21.5
Voltage: 208-230
Service Factor: 1.15(1.00@208v)
Phase: 1

This motor is reversible. It can be wired to run CW or CCW

Baldor Rolled Steel Compressor Motor Duty 5 HP (Foot-Mounted)

This is a 5 HP, 3450 RPM, single-phase Baldor motor on a 56HZ frame with a 7/8 inch shaft, wired for 208 to 230V and drawing 23.8 to 21.5 full load amps. It is a compressor-duty motor for belt-driven air compressor pumps, small industrial machinery, and shop systems, built on a rolled-steel frame with a 1.15 service factor (1.00 at 208V).

Key Technical Specifications

Power & Performance

• Horsepower: 5 HP
• Speed: 3450 RPM
• Duty Type: Compressor duty
• Service Factor: 1.15 (1.00 at 208V)

Electrical

• Voltage: 208–230V
• Phase: Single-phase
• Full Load Amps: 23.8–21.5
• Rotation: Reversible; can run CW or CCW

Mechanical

• Frame Size: 56HZ
• Mounting Style: Foot-mounted
• Shaft Diameter: 7/8 inch
• Construction: Rolled steel housing
• Bearings: Ball bearing design for long life

What This Motor Is Designed For

Primary Application

• Built specifically for air compressor duty, including:
  • Single-stage compressor pumps
  • Two-stage compressor pumps
  • Belt-driven compressor systems
  • Replacement and upgrade installations

Secondary Applications

• Pumps
• Shop fans and blowers
• Light conveyors
• Belt-driven tools or machinery
• General-purpose equipment requiring high startup torque

Common Upgrade Scenarios

1. Replacing a burned-out 5 HP compressor motor
2. Converting older equipment to higher torque output
3. Swapping out lightweight or budget-grade motors
4. Building a custom compressor or machinery setup

Practical Use Cases

Air Compressor Builds

• Retrofits on older cast-iron pumps
• Custom-built piston compressor rigs
• Upgrades to modern shop compressor systems

Small Industrial Applications

• Light-duty conveyors
• Material movers
• Belt-driven blowers or fans
• Smaller manufacturing machinery

Garage & Workshop Environments

• Automotive repair
• Tire/wheel shops
• Fabrication and welding shops
• Cabinetry or woodworking shops

DIY & Fabrication Projects

• Custom shop air systems
• Repurposed machinery restorations
• Equipment rebuilds where OEM parts are discontinued

Installation Notes

Mounting

• Foot mounting allows simple bolt alignment.
• 56HZ frame matches many compressor bases.
• 7/8" shaft fits typical pulley bores.

Wiring Flexibility

Can be configured for:

1. CW rotation (clockwise)
2. CCW rotation (counterclockwise)

Electrical Compatibility

• Works with standard 208–230V single-phase power found in:
  • Small industrial buildings
  • Home garages
  • Agricultural shops
  • Mobile workshop rigs

Need a different frame size, speed or horsepower? See the rest of the Baldor motor line.