PITTMAN 9534 Motor Pole Skewed Armature Cogging Shaft 76.5V 7-POLE 4MM

( Brand: Pittman ), ( Manufacturer Part Number: 9534 ), ( Part Type: Motor Shaft ), ( Reversible/non-reversible: Reversible ), ( Current Type: Dc ), ( Base Rpm: 6100 Rpm ), ( Shaft Type: Straight ), ( Nominal Rated Input Voltage: 76.5 V ), ( Shaft Diameter: 4.0 Mm ), ( Country Of Origin: United States ), ( Dc Stator/winding Type: Permanent Magnet )

Review PITTMAN Dc Motor 76.5v Pole Skewed Armature Low Cogging 4mm Shaft

The **Pittman 9534 Motor** is a high-performance, precision-engineered electric motor designed for applications requiring exceptional reliability, efficiency, and durability in demanding environments. This **76.5-volt permanent magnet DC motor** features a **skewed armature design**, a sophisticated engineering choice that significantly reduces torque ripple and cogging a phenomenon where the motor experiences uneven magnetic pull as the rotor aligns with stator poles. By skewing the armature windings, this motor achieves smoother operation, lower vibration, and quieter performance, making it ideal for precision-driven machinery, robotics, and automated systems where smooth motion is critical. The **4mm diameter shaft** provides a robust yet compact interface, allowing for seamless integration into a variety of gearing systems, encoders, or direct-drive applications without compromising mechanical strength.

Built with a **high-quality permanent magnet rotor**, the 9534 motor delivers consistent torque output across its operational range, ensuring reliable performance even under varying loads. Its **brushless or brushed design** (depending on the specific variant) enhances longevity by minimizing wear from friction, while the sealed construction protects internal components from dust, moisture, and contaminants, making it suitable for both indoor and outdoor applications. The motor s compact yet sturdy housing is engineered for thermal efficiency, with optimized airflow paths to dissipate heat effectively, preventing overheating during prolonged or high-load operation. Whether deployed in industrial automation, medical devices, or specialized hobbyist projects, this motor combines **precision engineering with practical versatility**, offering engineers and technicians a dependable power solution that balances performance with ease of integration.

For applications requiring fine-tuned control, the 9534 s design accommodates compatibility with a range of control systems, including PWM speed controllers, microcontroller-based drivers, or dedicated motor drivers, allowing for precise speed and torque regulation. Its **high-speed capability** and **efficient power conversion** make it well-suited for applications where energy efficiency is a priority, such as in renewable energy systems, electric vehicles, or battery-operated machinery. Overall, the Pittman 9534 Motor stands as a testament to Pittman s commitment to innovation in electric motor technology, delivering a product that merges **cutting-edge engineering with practical functionality** for a wide array of industrial and specialized uses.

### **Pros and Cons of buying a Pittman 9534 Motor (76.5V, Pole Skewed Armature, Cogging, 4mm Shaft)**

1. **High Voltage and Power Output** The 76.5V rating suggests this motor is designed for high-performance applications, such as electric vehicles, RC cars, or high-speed propulsion systems. This makes it suitable for demanding tasks where torque and speed are critical.

2. **Pole Skewed Armature Design** Skewed poles help reduce cogging torque (uneven motor rotation due to magnetic alignment), leading to smoother operation. This is particularly useful in applications where precision and stability are required, such as in robotics or automated systems.

3. **Low Cogging** The mention of "cogging" (likely referring to reduced cogging torque) implies that the motor will have fewer rotational irregularities, improving efficiency and reducing wear on connected components.

4. **4mm Shaft Diameter** A 4mm shaft is relatively robust for its size, allowing for better load-bearing capacity compared to smaller shafts. This makes it suitable for applications where mechanical strength is necessary without requiring an overly large motor.

5. **Potential for High Efficiency** If properly matched with a suitable controller and battery, this motor could deliver strong performance in terms of torque-to-weight ratio, making it efficient for electric propulsion.

6. **Compatibility with High-Voltage Systems** The 76.5V rating aligns well with high-performance lithium-polymer (LiPo) or lithium-ion battery setups, which are common in RC, electric bikes, and small electric vehicles.

---

1. **High Voltage Can Be Dangerous** Working with 76.5V motors requires caution, as it poses a higher risk of electric shock compared to lower-voltage motors. Proper insulation, safety gear, and handling procedures are essential.

2. **Potential for Complex Wiring** High-voltage motors often require careful wiring to controllers, ESC (Electronic Speed Controllers), and batteries. Improper connections can lead to arcing, short circuits, or motor damage.

3. **Limited Off-the-Shelf Availability** Pittman motors, while high-quality, may not be as widely stocked as more common brands like brushless outrunner (BLDC) motors from hobbyist suppliers. Sourcing parts or replacements could be more difficult.

4. **Weight and Size Considerations** While not specified, high-voltage motors often have larger windings or cooling requirements, which may increase the overall weight and physical dimensions. This could be a drawback in space-constrained applications.

5. **Cost** High-performance motors like this typically come at a premium price. If the application does not require the full 76.5V capability, a lower-voltage motor might offer similar performance at a lower cost.

6. **Potential for Overkill in Some Applications** If the intended use does not demand 76.5V (e.g., low-speed, low-torque tasks), the motor may be unnecessarily powerful, leading to inefficiencies in battery consumption or control complexity.

7. **Thermal Management Needs** High-voltage motors can generate significant heat, especially under heavy loads. Adequate cooling (e.g., heat sinks, forced air) may be required to prevent overheating and reduce lifespan.

8. **Compatibility Issues with Standard Controllers** Not all ESC or motor controllers are rated for 76.5V. Custom or high-end controllers may be needed, adding to the cost and complexity of the setup.

---

### **Conclusion and Recommendation**

The **Pittman 9534 (76.5V, pole-skewed armature, 4mm shaft)** is a **high-performance motor** well-suited for applications requiring **high voltage, smooth operation, and robust mechanical strength**. Its **skewed pole design reduces cogging**, making it ideal for precision tasks, while the **4mm shaft** provides a good balance of strength and compactness.

However, the **high voltage introduces safety and wiring challenges**, and the motor may be **overkill for low-demand applications**. It is best suited for:

- **Electric vehicles (EVs) or high-performance RC vehicles** where voltage and torque are critical.

- **Robotics or automated systems** requiring smooth, low-cogging operation.

- **Industrial or specialized propulsion systems** where efficiency and durability are priorities.

If your application **does not require 76.5V**, consider a lower-voltage alternative (e.g., 48V or 60V) to simplify wiring and reduce costs. Additionally, ensure you have:

- A **compatible high-voltage ESC** (e.g., from brands like **HobbyKing, DYS, or Pittman s own controllers**).

- **Proper safety measures** (insulation, ventilation, and handling).

- **A cooling solution** if operating under heavy loads.

Buy this motor **if** your project demands **high voltage, smooth operation, and mechanical reliability**. Otherwise, evaluate whether a **lower-voltage, similarly rated motor** would suffice. Always pair it with the right controller, battery, and safety precautions to maximize performance and longevity.

Details:

Very high torque output. Pittman 9534 DC Motor - 76.5V 7 Pole Skewed Armature Low Cogging 4mm Shaft Used motor manufactured by. Removed from working equipment. Stall current: 2.5 Amperes.

Features four tapped mounting holes on drive end of motor. No load current: .15 Amperes. Pin terminals for easy connection. Motor can run in either direction, simply reverse polarity of power supply.

Some motors may show slight discoloration / scratches from storage - performance is unaffected. Nominal voltage : 76.5 VDC.

part #: 9534 prices

• $14.99-$24.95

specifications oelemot:

• brand: Pittman
• mpn: 9534
• part type: Motor Shaft
• reversible/non-reversible: Reversible
• current type: Dc
• base rpm: 6100 Rpm
• shaft type: Straight
• nominal rated input voltage: 76.5 V
• shaft diameter: 4.0 Mm
• country of origin: United States
• dc stator/winding type: Permanent Magnet

shipping oelemot:

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

offer oelemot:

• started: February 27, 2026
• sold: 0
• quantity: 8
• availability: In Stock
• options: Ship-to-home

returns oelemot:

• method: Money back
• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

payments oelemot:

• other
• wallet: Google-pay
• credit card: Diners-club

seller oelemot:

• # reviews: 35115
• rating: 100.0%
• city: Metuchen, New Jersey

general oelemot:

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

Pittman 9534 Is Similar To:

• 14202d764 Pittman Asyst Technologies Motor (27.6% similar) ...(February 24th, 2018)
• 42169704 Pittman Gmt9434j624 Stepper Motor (31% similar) New never used...(October 13th, 2017)
• 4444e102-r2 Pittman Elcom Sl Brushless Servo Motor (24.2% similar) Pittman Elmo SL 4444E102-R2 brush less servo motor used, excellent condition. Guaranteed working. Whats included: 1x Pittman Elmo SL 4444E102-R2 brush less servo motor. Shipping Argo-tech only ships to the USA...(December 19th, 2018)
• 8214c113-r8 Pittman Schrittmotor Vdc Cpr Motor (25% similar) For sale is a Pittman 8214C113-R8 rev...(May 2nd, 2018)
• 8412 Pittman Precision Electric Motor Optical Encoder (31.5% similar) Save packaging for carrier claim. Cash is only accepted for will-calls in-person. Please by sending a message through or calling. Your satisfaction is extremely important to us. Please review images thoroughly before purchasing. All pictures are taken in house. If in doubt, please before purchasing...(March 19th, 2018)
• 9137c576-r4 Pittman New Dc Motor Vdc Cpr (36.8% similar) Problems are questions that were not asked before the offer closed. New Pittman 9137C576-R4 dc motor 24 CDC, 1024 CPR. Elector Marvin is a 9-5 Mon-Fri business. Its often to late solve them if you wait. Listed for Beulah. Item condition: new - old stock may exhibit signs of shelf wear...(September 22nd, 2018)
• 9236c185-r3 Pittman Dc Motor Encoder Gears Exabyte Drive Board (36.8% similar) Pittman 9236C185-R3 dc motor encoder 2 gears - exabyte drive board...(September 13th, 2018)
• 9434 Pittman Precision Electric Motor Hp Optical Encoder (32.3% similar) Our contact: Rodney Wang SC asset management, inc. This unit has been used. DOA stands for dead on arrival, meaning that the item did not function properly when it arrived. Cash is only accepted for will-calls in-person. Your satisfaction is extremely important to us. If in doubt, please before ...(October 31st, 2018)
• 9434c520 Pittman New Dc Motor Double Shaft (46.6% similar) New Pittman 9434C520 dc motor 24VDC double shaft brush 9434C520, shafts. English measurements: overall 4-1 4, motor: x 1-1 2 shafts 1 motor measures: metric 60MM 30MM, extend about 20MM from each end, length 108MM. New old stock, tested and working perfectly, spinning in either direction. Threaded...(February 27th, 2018)
• Dc196b Pittman Electric Motor 8dcvolts (35.7% similar) ...(January 27th, 2018)
• Gm8212-21 Pittman Motor Vdc Ratio Series Ametek (36.4% similar) 7 w primary type: motors speed: 373 rpm torque: 18 oz. Type: brush com mutated dc gear motor voltage , nominal: 19. Overview Pittman brand lo-cog brush-com mutated dc gear motors offer smooth, quiet operation and long life. Power, input: features: 2 pole permanent magnet States are constructed of ...(June 11th, 2018)