Choosing a reliable 5HP air compressor motor is essential for steady air flow in home shops, garages, and small workshops. The five options below represent common 5HP, single‑phase motors that fit standard 56 frame types and run on US mains at 208–230V. Each entry includes key specifications, rotation options, and notes on construction to help you match a motor to your system and environment. Use the summary table for a quick snapshot before diving into detailed specs and installation considerations.
| Product | Brand | Frame | RPM | Voltage | Shaft | Rotation |
|---|---|---|---|---|---|---|
| VEVOR 5HP Air Compressor Motor | VEVOR | 56HZ Frame | 3450 | 230V | 7/8″ x 2.25″ | CCW (CW option) |
| VEVOR 5HP SPL Air Compressor Motor | VEVOR | 56 Frame | 3450 | 230V | 5/8″ x 1.88″ | CCW (CW option) |
| Baldor 5HP Air Compressor Motor | Baldor | 56HZ Frame | 3450 | 208–230V | 7/8″ | Single‑phase (US standard) |
| Jwevvie 5HP SPL Compressor Motor | Jwevvie | 56 Frame | 3450 | 230V | 5/8″ x 2.0″ | CCW |
| Mixizap 5HP Replacement Motor | Mixizap | 184T Frame | 3450 | 208–230V | 7/8″ x 2-1/4″ | Single‑phase |
VEVOL 5HP Air Compressor Motor
This VEVOR motor delivers 5HP at 3450 RPM for reliable driving of typical 5HP air compressors. It operates on 230V single phase and draws up to 25A under full load, making it suitable for many standard workshop setups. The 56HZ frame and a 7/8″ keyed shaft (2.25″ shaft length) ensure compatibility with common pulleys and belts. The open drip-proof design supports use in clean, dry environments and a steel construction enhances durability. Factory rotation is CCW, with CW rotation achievable by wiring adjustments.
- Horsepower: 5HP
- RPM: 3450
- Voltage: 230V
- Full-Load Amps: 25A
- Frame: 56HZ
- Shaft: 7/8″ diameter, 2.25″ length
- Rotation: CCW (CW option)
VEVOR 5HP SPL Air Compressor Motor
The VEVOR SPL version provides the same 5HP capability with slightly lighter current draw due to its 2-pole design. It runs on 230V single phase and lists a full-load current of 17.6A, suitable for many 5HP compressors without excessive electrical demand. It uses a 56 Frame and a 5/8″ keyed shaft with a 1.88″ shaft length. This model also employs an open drip-proof enclosure and durable steel construction, geared for clean, dry environments. Factory rotation is CCW, with CW possible.
- Horsepower: 5HP
- RPM: 3450
- Voltage: 230V
- Full-Load Amps: 17.6A
- Frame: 56
- Shaft: 5/8″ diameter, 1.88″ length
- Rotation: CCW (CW option)
Baldor 5HP Air Compressor Motor
Baldor offers a 5HP single-phase motor rated for 208–230V operation at 3450 RPM, built on the 56HZ frame. Its 7/8″ shaft diameter provides strong coupling options for standard compressor pulleys. The unit is US-made and features a 1.15 service factor, which adds a margin for short-term overloads without compromising reliability. The design emphasizes rugged construction suitable for continuous use in typical workshop environments.
- Horsepower: 5HP
- RPM: 3450
- Voltage: 208–230V
- Frame: 56HZ
- Shaft: 7/8″ diameter
- Service Factor: 1.15
- Rotation: Single-phase
- Made in USA
Jwevvie 5HP SPL Compressor Motor
The Jwevvie 5HP SPL motor is built for 3450 RPM operation at 230V and 60Hz, providing robust performance for air compressors. It uses a 56 frame with a 5/8″ keyed shaft and features CCW rotation by default. The open drip-proof design targets clean, dry settings, supported by a high-quality steel build for extended service life. This motor’s efficiency and construction make it a solid choice for heavier-duty intermittent use where reliable starts are important.
- Horsepower: 5HP
- RPM: 3450
- Voltage: 230V
- Frequency: 60Hz
- Frame: 56
- Shaft: 5/8″ diameter
- Rotation: CCW
Mixizap 5HP Replacement Motor
The Mixizap 5HP motor is a replacement option designed for 208–230V, 60Hz operation with a 184T frame and a 7/8″ shaft diameter. It delivers 3450 RPM and includes a 1.15 service factor for added headroom. Shaft length is 2 1/4″ with a keyway, and the unit is described as suitable for air compressors. The product emphasizes a durable, open drip-proof enclosure and a robust steel construction for longer service life. Note that installation may require matching the motor to the specific compressor model and pulley alignment.
- Horsepower: 5HP
- RPM: 3450
- Voltage: 208–230V
- Frame: 184T
- Shaft: 7/8″ diameter, 2-1/4″ length
- Service Factor: 1.15
Buying Guide
Key considerations when selecting a 5HP air compressor motor ensure compatibility with your existing system and reliable long-term performance. Start by confirming the voltage and frequency requirements for US installations (typically 208–230V, 60Hz). For most home shops, single‑phase operation is standard, but some environments may use three-phase power; in those cases, match the motor to the available supply or plan for a suitable drive or controller.
- Frame and mounting compatibility: 56 frame motors are the most common and fit many small compressors, while 184T frames require different mounting patterns. Check the exact frame designation (56HZ, 56, 184T) to ensure a proper fit and alignment with pulleys or belts.
- Rotor type, shaft diameter, and length: 7/8″ shafts are common for 56-frame motors, while some models use 5/8″ shafts. Shaft length and keyway type affect pulley/belt compatibility and mounting, so verify you have the correct hardware on your compressor.
- Rotation direction: CCW rotation is standard on many US compressors, but some installations may require CW. If rotation needs to be reversed, motor wiring or reversing connections to the start/run windings may be needed; consult a professional if unsure.
- Open drip-proof vs enclosed design: ODP (open drip-proof) motors are suitable for clean, dry environments, while TEFC or enclosed designs can handle harsher or dusty conditions. Choose based on your workshop environment and moisture exposure.
- Service factor and current draw: A higher service factor (e.g., 1.15) provides belt and bearing margin during brief overloads, which can extend motor life under tough starts. Compare full-load amps (FLA) to your supply capacity to avoid tripping breakers.
- Brand reliability and sourcing: Reputable brands like Baldor indicate robust US manufacturing and support, while other brands offer solid value with broad compatibility. Verify warranty terms and availability of replacement parts.
- Installation considerations: Some replacements come with installation notes emphasizing alignment of motor and pump pulleys, or professional installation. Ensure you have proper mounting, wiring, and belt tension to minimize vibration and wear.
| Consideration | What to Check | Why It Matters |
|---|---|---|
| Voltage & Frequency | Ensure 208–230V and 60Hz (US standard). | Mis-matched voltage can cause poor performance or damage. |
| Frame & Mounting | Match 56 frame vs 184T; confirm bolt pattern and pulley alignment. | Proper mounting avoids misalignment, vibration, and wear. |
| Shaft & Coupling | Check shaft diameter and length; confirm pulley compatibility. | Ensures reliable belt drive and mechanical fit. |
| Rotation & Wiring | CCW default; CW rotation may require rewiring. | Incorrect rotation reduces efficiency and can harm equipment. |
| Enclosure Type | ODP vs TEFC; environment suitability. | Protects motor in dusty/moist conditions and extends life. |
| Service Factor | Factor around 1.15 vs 1.0. | Higher margin on overload reduces risk of overheating and failure. |
In evaluating these five options, consider your specific compressor model, pulley ratios, and the electrical supply available in your shop. For installations where space or alignment is tight, the 56-frame motors offer common mounting patterns and straightforward replacement. If you use a larger pump head or belt drive, the 184T frame from Mixizap may be more compatible. For American-made confidence and robust support, Baldor’s option is a notable choice, while Jwevvie and other VEVOR models deliver cost-effective performance for standard tasks. When in doubt, consult a qualified technician to verify fit and wiring before installation.