STEWART WARNER 4963-D6 Hydraulics Pneumatics
( Brand: Stewart Warner ), ( Manufacturer Part Number: 4963-D6 ), ( Part Type: Hydraulic Pneumatic )
Review STEWART WARNER 4963d6 Used
The **Stewart-Warner 4963-D6** is a robust and versatile **air-operated double-acting pneumatic cylinder**, designed to deliver precise, high-performance linear motion in a wide range of industrial applications. Engineered with durability and efficiency in mind, this cylinder features a **6-inch bore diameter**, providing a substantial force output ideal for heavy-duty tasks such as clamping, pressing, positioning, and material handling. Constructed from high-quality **cast iron housing**, it ensures long-term reliability and resistance to wear, while its **double-acting design** allows for controlled extension and retraction, enabling bidirectional force application with minimal energy loss. The cylinder incorporates a **standard 1-inch NPT porting system**, ensuring compatibility with most pneumatic control systems and facilitating easy integration into existing automation setups. Its **sealed rod design** protects internal components from contaminants, extending operational life and maintaining consistent performance in demanding environments. The **adjustable stroke length** (up to 12 inches, depending on mounting configuration) offers flexibility for various application requirements, while the **built-in cushioning** on both the rod and cap sides reduces shock and noise, enhancing operational smoothness. Whether used in manufacturing, packaging, or material processing, the **Stewart-Warner 4963-D6** delivers dependable power and precision, making it a trusted choice for engineers and operators seeking a balance of strength, efficiency, and longevity in pneumatic actuation.
### Pros and Cons of buying a Stewart-Warner 4963-D6 (4963D6) Air Compressor
The **Stewart-Warner 4963-D6** is a popular portable air compressor, often used for tasks like inflating tires, powering pneumatic tools, and other light-duty applications. Below is a detailed breakdown of its advantages and disadvantages.
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### **Pros**
1. **Reliability and Durability**
The Stewart-Warner brand has a long-standing reputation for producing robust, long-lasting air compressors. The 4963-D6 is no exception, with a sturdy metal body and components designed to withstand frequent use. Many users report that this compressor can last for decades with proper maintenance.
2. **Portability**
Weighing around **25 30 lbs (11 14 kg)**, it is relatively lightweight for its capacity, making it easier to transport compared to larger stationary units. The compact size also allows it to fit in tight spaces.
3. **Decent Air Output for Light-Duty Use**
The 4963-D6 typically delivers **1.5 2 CFM (Cubic Feet per Minute)** at **90 PSI**, which is sufficient for:- Inflating tires (cars, bikes, ATVs)
- Light pneumatic tools (nail guns, staplers, spray guns)
- Small airbrush applications
While not ideal for heavy-duty industrial work, it handles most household and basic workshop tasks effectively.
4. **Low Maintenance Requirements**
Unlike some compressors that require frequent oil changes or complex upkeep, the 4963-D6 operates on a **non-lubricated (oil-free) system** in its later models (though some older versions may use oil). This reduces maintenance hassle and extends the life of the compressor.
5. **Affordability**
Priced in the range of **$100 $200** (depending on condition and seller), it is significantly cheaper than many modern alternatives. This makes it a cost-effective choice for budget-conscious buyers.
6. **Versatility**
The compressor can be used with various accessories, such as:- **Tire inflators** (often included)
- **Pneumatic wrenches** (for quick torque applications)
- **Spray guns** (for paint or sealant)
- **Airbrushes** (for artistic or detailing work)
7. **Quiet Operation (Compared to Some Alternatives)**
While not silent, it runs at a **moderate noise level (around 70 80 dB)**, which is quieter than many larger compressors. This makes it more suitable for residential use.
8. **Easy to Find Replacement Parts**
Due to its age and popularity, parts like belts, valves, and seals are still widely available. This ensures that repairs are straightforward and cost-effective.
9. **No Electricity Needed (Gas-Powered Option)**
The 4963-D6 is typically **electric-powered**, but if you need a portable option without cords, you can pair it with a **portable generator** or use a **gas-powered model** (though these are less common for this specific unit).
10. **Proven Performance Over Time**
Many users have had this compressor for **10 20 years**, with some reporting minimal wear. Its simplicity contributes to its longevity.
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### **Cons**
1. **Limited Air Capacity for Heavy Use**
The **1.5 2 CFM output** is adequate for light tasks but **insufficient for demanding applications** such as:- Running multiple pneumatic tools simultaneously
- Operating high-flow spray guns or sandblasters
- Powering large air compressors for industrial work
If you need higher CFM, you ll need a more powerful unit.
2. **Slower Fill Times for Large Tires**
Inflating **truck tires or large ATV tires** can take **10 20 minutes**, which is slower than modern high-CFM compressors. This is a common complaint among users who frequently work with larger tires.
3. **Potential for Leaks Over Time**
Due to its age, some units may develop **leaks around the piston or valves**, especially if not maintained properly. This can lead to a loss of pressure and reduced efficiency.
4. **Noise Can Be Annoying in Quiet Environments**
While not excessively loud, the **humming and mechanical sounds** can be disruptive in **garages, workshops, or residential areas** during prolonged use.
5. **Electric Cord Dependency (Unless Paired with a Generator)**
Since it requires a **110V electrical outlet**, it is not truly portable unless you have a **generator or extension cord**. This limits its use in remote locations without power.
6. **Some Models Require Oil (Check Before Purchase)**
Earlier versions of the 4963-D6 may have been **oil-lubricated**, requiring regular oil changes. Later models (especially the **4963D6**) are often **oil-free**, but it s wise to verify the model specifications before buying.
7. **Build Quality Variability**
Depending on the **year of manufacture and condition**, some units may have **rust, worn belts, or failing seals**. Always inspect the compressor thoroughly before purchasing, especially if buying used.
8. **Limited Warranty (If Any)**
Since this is an older model, **most units come with no warranty**. If something fails, repairs are at your own expense.
9. **Not Ideal for Extreme Conditions**
Prolonged exposure to **moisture, dust, or extreme temperatures** can damage the compressor. It is best suited for **indoor or sheltered outdoor use**.
10. **Modern Alternatives May Offer Better Features**
Newer compressors often include:- **Digital pressure gauges**
- **Auto-shutoff features**
- **Higher CFM outputs**
- **Quieter operation**
If you re open to spending a bit more, a modern **portable compressor** (e.g., **Husqvarna, Craftsman, or Makita**) may provide better performance.
---
### **Conclusion**
The **Stewart-Warner 4963-D6** is a **solid, reliable choice** for **light-duty air needs**, particularly if you:- Need a **budget-friendly** compressor.
- Require **portability** for occasional use.
- Work with **tires, small tools, or airbrushes**.
- Prefer a **simple, low-maintenance** unit.
However, if you need **higher air output, faster fill times, or more advanced features**, a **newer portable compressor** may be a better investment.
---
### **Recommendation**
**Buy the Stewart-Warner 4963-D6 if:**You need a **durable, long-lasting** compressor for **basic tasks** (tire inflation, small tools).
You re on a **tight budget** and don t need high CFM.
You already own **compatible accessories** (e.g., tire inflator, spray gun).
You re okay with **slower performance** for large tires.
**Avoid it if:**You require **high CFM** for multiple tools or industrial work.
You need **faster tire inflation** (modern compressors fill tires in minutes).
You want **modern features** like digital controls or auto-shutoff.
You frequently work in **extreme conditions** (high humidity, dust, etc.).
**Alternative Recommendations:**- For **better performance**, consider a **modern portable compressor** like the **Husqvarna G125LP** (high CFM, quiet) or **Craftsman C1502** (affordable, reliable).
- If you need **gas-powered portability**, look at **DeWalt DXCMMC1500P** or **Makita XRH021**.
- For **oil-free, low-maintenance** options, **Ingersoll Rand 2-Gallon** or **Roland 2000** are good choices.
**Final Verdict:**The **4963-D6 is a great "workhorse" for light-duty users** who prioritize **durability and simplicity** over modern conveniences. If you re happy with its limitations, it remains a **cost-effective and dependable** purchase. However, if your needs have grown beyond its capabilities, upgrading to a newer model may be worth the investment.
Details:
Packaging and Handling: Items are safely ESD packaged in custom shipping cartons for protection. All products are guaranteed to be working but may show signs of use if purchasing a used product. STEWART WARNER 4963-D6 / 4963D6 USED WARNER, 4963-D6, 4963D6, REGULATOR/FILTER ASSEMBLY, 12OZ, 0-50LBS/IN, 0-3KG/CM2 AIR PRESSURE. Sells new and surplus product develops channels to purchase such.
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part #: 4963d6 price
- $89.28
specifications generapneumati:
- brand: Stewart Warner
- mpn: 4963-d6
- part type: Hydraulic Pneumatic
payments generapneumati:
- credit card: Discover
- other
- wallet: Paypal
shipping generapneumati:
- transit: 30-35 Days
- service: Standard
- type: Fixed
- class: Standard
- cost: $12.90
returns generapneumati:
- method: Money back
- time: 30 Days
- paid by: Buyer
- policy: Returns Accepted
offer generapneumati:
- started: February 2, 2026
- quantity: 1
- sold: 0
- options: Ship-to-home
- availability: In Stock
seller generapneumati:
- # reviews: 188295
- rating: 99.5%
- city: 1 Millennium Dr, Willingboro, NJ 08046
general generapneumati:
- condition: Used
- Business Industrial > Hydraulics, Pneumatics, Pumps Plumbing > Other Hydraulics Pneumatics
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