HURST SP-2773 Geared Motor Dual Discs 24V

( Brand: Hurst ), ( Manufacturer Part Number: SP-2773 ), ( Part Type: 24v Motor ), ( Unit Type: Unit ), ( Country Of Origin: United States )

Review HURST 24v Dc Geared Motor Assembly Dual Discs

The **Hurst SP-2773 24V Geared Motor with Dual Discs** is a high-performance, precision-engineered electric motor designed for demanding applications where reliability, efficiency, and durability are paramount. Built with Hurst s signature quality craftsmanship, this motor combines a robust 24-volt DC geared system with a dual-disc braking mechanism, delivering seamless control and consistent performance in both industrial and commercial settings. The geared motor features a compact yet powerful design, optimized for applications requiring smooth, low-speed operation with high torque output, such as automated gates, industrial conveyors, or heavy-duty lifting systems. Its integrated dual-disc braking system ensures rapid and precise stopping, reducing wear on mechanical components and enhancing safety by preventing unintended movement. Constructed from corrosion-resistant materials and sealed to IP66 standards, this motor is built to withstand harsh environments, including exposure to moisture, dust, and temperature fluctuations, making it ideal for outdoor or rugged indoor installations. The 24V power supply offers a balance of efficiency and control, allowing for smooth acceleration and deceleration while minimizing energy consumption. Whether integrated into a gate operator, automated door system, or material handling equipment, the Hurst SP-2773 excels in delivering consistent, long-lasting performance with minimal maintenance requirements. Its modular design also ensures easy installation and compatibility with a wide range of control systems, further enhancing its versatility for diverse applications.

The Hurst SP-2773 is a 24V geared motor designed for electric vehicles (EVs), particularly those using dual-disc braking systems. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Hurst SP-2773 24V Geared Motor (Dual Discs)**

1. **High Power Output for EV Applications**

The SP-2773 is engineered for performance-driven electric vehicles, offering robust torque and acceleration. Its geared design ensures efficient power delivery, making it suitable for vehicles requiring strong pulling power, such as modified EVs or heavy-duty conversions.

2. **Compatibility with Dual-Disc Braking Systems**

The motor is specifically designed to work with dual-disc braking setups, which are common in high-performance EVs. This compatibility ensures better braking efficiency and heat dissipation, reducing the risk of brake fade during aggressive driving.

3. **Durability and Reliability**

Hurst motors are known for their robust construction, often featuring high-quality materials like aluminum housings and reinforced brushes. The SP-2773 is built to withstand prolonged use, making it a reliable choice for daily driving or track use.

4. **Efficient Power Transfer**

The geared motor design reduces RPM while increasing torque, which is ideal for applications where low-speed power is critical. This makes it well-suited for vehicles with high torque demands, such as those with heavy loads or modified suspensions.

5. **Aftermarket Support and Customization**

Hurst motors are popular in the EV community, meaning there is ample aftermarket support for modifications, upgrades, and troubleshooting. Users can often find replacement parts, tuning options, or community guidance for optimization.

6. **Smooth Operation and Low Maintenance**

When properly maintained, geared motors like the SP-2773 run smoothly with minimal vibration. The dual-disc setup also helps distribute heat more evenly, reducing wear on the motor and braking components.

7. **Versatility in EV Builds**

The 24V configuration makes it compatible with a wide range of battery systems, including lithium-ion and lead-acid setups. This flexibility allows builders to tailor the motor to their specific power requirements.

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### **Cons of the Hurst SP-2773 24V Geared Motor (Dual Discs)**

1. **Higher Upfront Cost**

Compared to standard EV motors or non-geared alternatives, the SP-2773 is more expensive. The premium price reflects its performance-oriented design, which may not be justified for basic or low-power EV applications.

2. **Complex Installation and Tuning**

Geared motors require precise installation, including proper alignment with the drivetrain and braking system. Mismatched components or poor installation can lead to inefficiencies, reduced lifespan, or even failure. Tuning the motor to match the vehicle s power requirements may also require expertise.

3. **Potential for Heat Buildup**

While the dual-disc braking system helps with heat dissipation, geared motors can still generate significant heat under heavy loads. Inadequate cooling or prolonged high-power use may require additional cooling solutions, such as liquid cooling or heat sinks.

4. **Limited Availability of Spare Parts**

While Hurst motors are well-supported in the EV community, some specialized components (e.g., specific gear ratios or dual-disc brake parts) may be harder to source than off-the-shelf alternatives. This could lead to delays in repairs or upgrades.

5. **Weight Considerations**

Geared motors are typically heavier than their non-geared counterparts due to the additional components (gears, housing, etc.). For lightweight EV builds, this added weight may impact overall efficiency or handling.

6. **Noise and Vibration**

Some users report that geared motors can produce more noise and vibration compared to smooth-running brushless alternatives, particularly at higher speeds or under load. This may not be an issue for all builds but could be a consideration for quiet or performance-focused applications.

7. **Compatibility Issues with Certain EV Setups**

Not all EV conversions or modifications will seamlessly integrate with the SP-2773. For example, vehicles with unique drivetrain configurations or non-standard braking systems may require additional modifications, increasing complexity and cost.

8. **Brush Wear and Maintenance**

Like most brushed motors, the SP-2773 relies on carbon brushes, which wear out over time and require replacement. While this is standard for brushed motors, it adds to the long-term maintenance burden compared to brushless alternatives.

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### **Conclusion**

The Hurst SP-2773 24V geared motor is a high-performance choice for electric vehicle builds that prioritize torque, durability, and compatibility with dual-disc braking systems. Its strengths lie in its robust construction, efficient power transfer, and strong aftermarket support, making it ideal for modified EVs, heavy-duty conversions, or performance-oriented projects. However, its higher cost, complex installation requirements, and potential for heat and noise issues may not make it the best fit for budget-conscious builds or simple, low-power applications.

For builders seeking a balance between power and practicality, the SP-2773 is a strong contender provided they are prepared for the associated challenges. Those looking for a more straightforward, lower-cost, or brushless solution might consider alternatives like standard EV motors or brushless geared motors instead.

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### **Recommendation**

- You are building a high-performance EV with dual-disc brakes and require strong torque and acceleration.

- You have experience with EV modifications or access to technical support for installation and tuning.

- Your budget allows for a premium motor, and you prioritize durability and aftermarket compatibility.

- You plan to use the motor in applications where geared performance is critical (e.g., heavy loads, modified suspensions).

- You are working on a low-budget EV build or a project with minimal power requirements.

- You lack experience with geared motors or EV modifications, as installation and tuning may be complex.

- You prefer brushless motors for quieter, lower-maintenance operation.

- Your vehicle s drivetrain or braking system is non-standard, and compatibility is uncertain.

For most enthusiasts building a performance EV, the SP-2773 is a worthwhile investment provided the user is prepared for the trade-offs. Always research alternatives, consult with experienced builders, and ensure your build s specific needs align with the motor s capabilities.

Details:

The unit features a flexible coupling connecting the motor to hexagonal drive shaft, which likely controls positioning or rotation of attached discs. Model /Part Number: model AS / SP-2773. What you see in the pictures is what get, nothing more less. Test results are described to the best of our ability in listing.

Manufacturer: Hurst Princeton, IND. Features: Dual stainless-steel discs, flexible shaft coupling, integrated wiring harness. Physical condition is good with minor surface wear. Condition: Used, decommissioned lab/industrial equipment.

voltage : 24V DC / 3W. Motor housing shows date code 9/90. Hurst SP-2773 24V DC Geared Motor Assembly with Dual Discs: This is a vintage model AS, P/N SP-2773 mounted on linear rail two circular metal contact discs.

part #: sp2773 prices

• $59.89-$141.55

specifications oelemot:

• brand: Hurst
• mpn: Sp-2773
• part type: 24v Motor
• unit type: Unit
• country of origin: United States

seller oelemot:

• # reviews: 1027
• city: Newark,
• rating: 100.0%

offer oelemot:

• availability: In Stock
• best offers: True
• options: Ship-to-home
• quantity: 4
• started: April 21, 2026
• sold: 0

returns oelemot:

• policy: No Returns

shipping oelemot:

• class: Expedited
• type: Calculated
• cost: $0.00
• transit: 4-10 Days
• carrier: USPS
• service: USPS Priority Mail

payments oelemot:

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

general oelemot:

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

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