Finding a dependable 1750 RPM electric motor is essential for tasks ranging from air compressors to farm-grade machinery. This guide highlights five robust options designed for 208–230V or 230/460V service, all delivering steady 1750 RPM performance. Each motor features a TEFC or farm-duty enclosure for durability in demanding environments. Read on to compare key specs, installation notes, and practical considerations to help you pick the right motor for your application.
| Product | Brand | Horsepower | Frame | Voltage | RPM | Enclosure |
|---|---|---|---|---|---|---|
| 1.5HP TEFC Motor | Cuilvu | 1.5 | 56C | 230/460V | 1750 | TEFC |
| 5HP Air Compressor Motor | FAHKNS | 5 | 184T | 208-230V | 1750 | TEFC |
| 5HP 184T Frame Motor | Cuilvu | 5 | 184T | 208-230V | 1750 | TEFC |
| 2HP TEFC Motor | Cuilvu | 2 | 56C | 230/460V | 1750 | TEFC |
| 1HP Farm Duty Motor | Cuilvu | 1 | 56 | 115/230V | 1750 | TEFC |
Table notes: The selections emphasize common industry frames, reversible rotation options, and TEFC or farm-duty enclosures suitable for wet, dusty, or rugged environments. For each option, key aspects such as shaft size, rotation direction, and dual voltage compatibility are summarized in the product sections that follow.
Industrial 1.5HP TEFC Motor, 1750 RPM
This General Purpose Three-Phase Motor delivers 1.5 HP at 1750 RPM with a 56C frame and TEFC enclosure. Designed for 60 Hz operation at 230/460V, it provides a compact solution with a 5/8″ shaft diameter and a length of 1.88″ for straightforward mounting on compatible equipment. With an IP rating of 55 and dual voltage capability, it fits many workshop and light industrial applications where reliable, continuous operation is essential.
Key details: HP 1.5, 4 poles, 56C frame, TEFC, 60 Hz, 230/460V, 4.8/2.4A, 5/8″ shaft, 1.88″ shaft length, IP 55, CW/CCW rotation options may be available in some variants, shaft security: INS-F.
5HP Air Compressor Motor, 1750 RPM
This 5 HP motor is tailored for air compressors and heavy-duty compressors with a robust 184T frame. It runs at 1750 RPM and is designed for 208–230V operation with a TEFC enclosure and IP54 protection. The motor features a large fan for efficient cooling, which helps maintain performance in continuous or long-running cycles. The shaft diameter is 1-1/8″ with a 2-3/4″ shaft length, and it offers CW/CCW rotation for flexible installation. This model emphasizes durable rolled steel housing for farm-duty or industrial environments and CSA-certification for safety compliance.
Key details: HP 5, 4 poles, 184T frame, TEFC, 208-230V, 28.5-27.0A, 1750 RPM, IP54, 1-1/8″ shaft, CW/CCW rotation, rolled steel shell, CSA certified.
5HP 184T Frame Motor, TEFC with Heat Management
This 5HP motor uses an industry-standard 184T frame and a TEFC enclosure. It is designed for 208–230V operation at 1750 RPM and features a 1-1/8″ shaft diameter with a 2.75″ shaft length. The motor supports CW/CCW rotation and benefits from a robust rolled steel shell for durability in wet or dusty environments. Its design emphasizes heat dissipation via a large fan and solid heat management to extend service life and reduce energy costs over time.
Key details: HP 5, 4 poles, 184T frame, TEFC, 208-230V, 28.5-27.0A, CW/CCW, 1-1/8″ shaft, rolled steel housing.
2HP General Purpose TEFC Motor, 1750 RPM
Ideal for a range of general-purpose applications, this 2 HP motor operates at 1750 RPM with a 56C frame and TEFC enclosure. It uses 230/460V supply and 60 Hz operation, drawing 7.2/3.6A. The shaft is 5/8″ in diameter with a 1.88″ shaft length. IP 55 protection helps protect internal components in moderate dust and moisture, making it a solid choice for workshop or light industrial tasks that require reliable constant torque and straightforward installation.
Key details: HP 2, 4 poles, 56C frame, TEFC, 230/460V, 60 Hz, 7.2/3.6A, 5/8″ shaft, IP 55.
1HP Farm Duty Motor, 1750 RPM
Designed for agricultural and other demanding environments, this 1 HP motor runs at 1750 RPM with a 56 frame and TEFC enclosure. It is a dual-voltage motor, suitable for 115V or 230V operation with a 5/8″ shaft diameter and 1.88″ shaft length. The motor features an IP 55 rating and CW/CCW rotation to accommodate various wiring configurations. Its farm-duty build emphasizes reliability, extended service life, and resilience in challenging conditions.
Key details: HP 1, 4 poles, 56 frame, TEFC, 115/230V, 60 Hz, 13.6A/6.8A, 5/8″ shaft, CW/CCW, IP 55.
Buying Guide: Key Purchase Considerations
When selecting a 1750 RPM motor, consider these factors to optimize performance and longevity:
- Voltage compatibility: Ensure the motor supports your available supply (208–230V or 230/460V) and confirm if dual voltage variants are necessary for future flexibility.
- Enclosure and durability: TEFC is common for clean or dusty environments, while farm-duty or ODP designs fit harsher settings. Check IP ratings (55 or higher preferred) for protection against dust and moisture.
- Shaft and mounting: Note shaft diameter and length to match your pulley, coupling, or shafting. Frame size (56C vs 184T) affects mounting footprint and accessory compatibility.
- Rotation direction: Reversible CW/CCW can simplify wiring and installation for certain equipment or pumps.
- Cooling and heat dissipation: Larger frames with external fans or robust housings help maintain performance during long runs, reducing the risk of overheating.
- Efficiency and duty cycle: Farm-duty motors emphasize continuous operation in outdoor or high-load conditions. Check insulation class and service factor if available.
- Installation and wiring: Verify available space for a new motor, pulley alignment, and any required starters or controllers compatible with your system.
- Certifications: CSA and other standards may be important for workplace compliance and safety requirements.
Application notes: For air compressors, high-start torque and reliable cooling are critical. For farm equipment, durability and moisture resistance are key. Always match the motor’s horsepower and frame to the load and frequency of operation to avoid undersizing or overloading the motor.