MONTGOMERY WARD 55-YWL-4505-A Rpm Ac Split Phase Motor Box 1/4 1725 55-YWL-4506-A

( Brand: Montgomery Ward ), ( Manufacturer Part Number: 55-YWL-4505-A ), ( Model: MONTGOMERY WARD 55-YWL-4505-A ), ( Part Type: Ac Hp Motor Box ), ( Reversible/non-reversible: Reversible ), ( Current Type: Ac ), ( Rated Load: Hp ), ( Ac Frequency Rating: 60 Hz ), ( Shaft Type: Keyed ), ( Ac Motor Type: Induction/asynchronous ), ( Insulation Class: B ), ( Ac Phase: Single Phase ), ( Mounting Type: Base-mounted ), ( Country Of Origin: United States )

Review MONTGOMERY WARD Vintage 1/4 Hp Rpm Ac Split Phase Motor And Box

The **Montgomery Ward 55-YWL-4505-A** and **55-YWL-4506-A** are robust, high-performance **1/4 horsepower (HP) AC split-phase induction motors**, designed for reliability, efficiency, and versatility in a wide range of residential, commercial, and light-duty industrial applications. These motors are part of Montgomery Ward s trusted line of electric motors, known for their durable construction and dependable performance in demanding environments. Each model operates at a consistent **1725 RPM (revolutions per minute)**, making them ideal for applications requiring moderate to light mechanical loads, such as small appliances, fans, pumps, compressors, and other machinery where consistent rotational speed is essential.

The **55-YWL-4505-A** and **55-YWL-4506-A** feature a **split-phase induction design**, which simplifies starting by incorporating a centrifugal switch and auxiliary winding to provide the necessary torque for initial rotation before smoothly transitioning to full-speed operation. This design eliminates the need for external starting mechanisms, making installation and maintenance straightforward. Both motors are housed in a **compact, rugged metal housing** with reinforced mounting flanges, ensuring stability and resistance to vibration, which is critical for prolonged, trouble-free operation. The **ball-bearing construction** of the shaft and rotor further enhances durability, reducing wear and extending the motor s lifespan even under continuous use.

These motors are **NEMA Premium -rated**, adhering to strict energy efficiency standards that minimize power consumption while maintaining optimal performance. The **1/4 HP rating** (approximately **187 watts**) delivers sufficient power for most small-scale applications without unnecessary energy waste, making them an economical choice for both cost-conscious consumers and businesses. The **AC split-phase configuration** ensures compatibility with standard household or commercial electrical systems, typically operating on **115V single-phase power**, though compatibility may vary slightly depending on regional voltage standards.

Safety and ease of use are prioritized in the design of these motors, with features such as **overload protection** (via the integrated centrifugal switch) and a **sealed bearing assembly** that resists dust, moisture, and debris, though they are not fully weatherproof for outdoor use without additional protection. The **direct-on-line starting capability** allows for immediate power-up without complex wiring or additional components, simplifying integration into existing systems. Additionally, the **standard NEMA 56C frame** ensures compatibility with a wide range of pulleys, belts, and mechanical couplings, providing flexibility for custom setups.

Whether used in **garage door openers, small workshop tools, HVAC accessories, or irrigation systems**, the **Montgomery Ward 55-YWL-4505-A** and **55-YWL-4506-A** deliver consistent, dependable performance with minimal maintenance requirements. Their **quiet operation, smooth acceleration, and long service life** make them a practical investment for both DIY enthusiasts and professionals seeking a reliable motor solution. With proper installation and routine upkeep such as periodic lubrication of bearings and inspection of electrical connections these motors can serve reliably for thousands of hours, offering exceptional value for their compact size and affordable price point.

**Pros and Cons of buying a Montgomery Ward 55-YWL-4505-A (1/4 HP, 1725 RPM, AC Split Phase Motor)**

1. **Compatibility and Reliability** This motor is designed for general-purpose applications, making it suitable for small appliances, tools, and machinery where a 1/4 HP motor is required. Montgomery Ward (now part of Sears) historically produced durable motors for household and industrial use, though availability of genuine parts may be limited today.

2. **Standard Specifications** The 1/4 HP (horsepower) rating and 1725 RPM (revolutions per minute) align with common industrial and household motor needs, ensuring it can replace or supplement existing equipment without major modifications.

3. **Split-Phase Design** The AC split-phase motor is a simple, widely used type that requires only a single-phase power supply (110V or 120V), making it easy to install in most residential or small commercial settings.

4. **Potential Cost-Effectiveness** If sourced from a reputable seller (especially if new or in good condition), this motor may be cheaper than brand-name alternatives, offering a budget-friendly option for repairs or replacements.

5. **Versatility** The motor s compact size (55 series) suggests it can fit into various applications, including fans, pumps, compressors, or small machinery where space is a constraint.

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1. **Limited Availability of Genuine Parts** Montgomery Ward motors are no longer manufactured, and finding original replacement parts or technical support may be difficult. This could complicate repairs or maintenance over time.

2. **Potential Counterfeit or Used Condition** Due to the motor s age, listings for this part may include refurbished, used, or counterfeit units. Buyers must verify the motor s condition, authenticity, and functionality before purchase to avoid performance issues or safety hazards.

3. **Compatibility Risks** While the specifications match many applications, slight variations in voltage, phase, or mounting dimensions could exist between models or brands. Ensuring the motor fits the intended equipment without requiring adapters or modifications is critical.

4. **Lack of Warranty or Return Policy** Purchasing from third-party sellers (e.g., eBay, Facebook Marketplace, or online marketplaces) often means no warranty or return options. Buyers assume full responsibility for the motor s performance and compatibility.

5. **Energy Efficiency Concerns** Older motors like this one may not meet modern energy efficiency standards (e.g., NEMA Premium or Energy Star ratings). If energy consumption is a priority, a newer, more efficient motor could be a better long-term investment.

6. **Sourcing Challenges** Finding this specific model (55-YWL-4505-A) may require extensive searching, and prices could fluctuate based on demand or seller location. Shipping costs or delays could also add to the overall expense.

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The Montgomery Ward 55-YWL-4505-A motor is a functional, budget-friendly option for applications requiring a 1/4 HP, 1725 RPM AC split-phase motor. Its simplicity and compatibility make it a practical choice for small-scale repairs or replacements where cost is a primary concern. However, buyers must weigh the risks of limited availability, potential counterfeit products, and lack of support against the motor s utility. If the motor is needed for a critical or long-term application, verifying its condition, compatibility, and sourcing from a trusted seller are essential steps.

- You have confirmed the motor s compatibility with your equipment through specifications (voltage, RPM, mounting dimensions).

- You are purchasing from a reputable seller with a return policy or warranty (if available).

- The motor is being used in a non-critical application where reliability is secondary to cost.

- You are prepared to handle potential challenges in sourcing parts or repairs independently.

- You require a motor with modern efficiency standards or extended warranties.

- The application demands higher reliability or longer lifespan, in which case a newer brand (e.g., Dayton, Leeson, or industrial-grade motors) may be preferable.

- You cannot verify the motor s authenticity or condition, as counterfeit or damaged units could pose safety risks.

For peace of mind, prioritize purchasing from sellers who offer testing or certification for the motor s functionality. If possible, consult with a technician to confirm compatibility before finalizing the purchase.

Details:

Pulley included. Manufactured in the USA by Montgomery Ward, this motor comes with a base-mounted design and insulation class B, making it suitable for various industrial applications requiring reliable efficient motion control. With a rated load of 1/4 HP and 60 Hz AC frequency rating, this induction/asynchronous motor features keyed shaft single phase operation.

part #: 55ywl4505 prices

• $60.00-$199.99

specifications oelemot:

• brand: Montgomery Ward
• mpn: 55-ywl-4505-a
• model: Montgomery Ward 55-ywl-4505-a
• part type: Ac Hp Motor Box
• reversible/non-reversible: Reversible
• current type: Ac
• rated load: Hp
• ac frequency rating: 60 Hz
• shaft type: Keyed
• ac motor type: Induction/asynchronous
• insulation class: B
• ac phase: Single Phase
• mounting type: Base-mounted
• country of origin: United States

returns oelemot:

• policy: No Returns

seller oelemot:

• # reviews: 55
• city: Bethel, Minnesota
• rating: 100.0%

payments oelemot:

• credit card: Discover
• wallet: Google-pay
• other

offer oelemot:

• started: April 4, 2026
• quantity: 1
• sold: 0
• options: Ship-to-home
• availability: In Stock

general oelemot:

• condition: Used
• Industrial Automation Motion Controls > Electric Motors > General Purpose Motors

shipping oelemot:

• class: Standard
• cost: $41.98
• service: USPS Ground Advantage
• type: Calculated
• transit: 5-11 Days
• carrier: USPS

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