MCQUAY NORRIS RM29 Engine Mount Motor Nos Eaton

( Brand: Mcquay Norris ), ( Manufacturer Part Number: RM29 ), ( Part Type: Engine Mount Motor ), ( Country Of Origin: United States )

Review MCQUAY NORRIS Engine Mount Motor Nos Eaton Replacement

The **McQuay-Norris RM29 Engine Mount Motor** (part of the Eaton brand) is a high-performance, precision-engineered electric actuator designed for demanding industrial applications where reliability, durability, and seamless integration are paramount. Built to replace traditional hydraulic or pneumatic systems, this motorized mount offers a robust solution for adjusting and stabilizing heavy machinery, such as HVAC units, industrial fans, boilers, or large-scale ductwork systems. The RM29 model is part of Eaton s renowned **McQuay-Norris** line, a brand synonymous with innovation in climate control and fluid handling technologies, ensuring that every component adheres to stringent quality and performance standards.

At its core, the RM29 features a **high-torque, brushless DC motor** paired with a **gear reduction system**, delivering smooth, precise, and consistent motion with minimal wear over extended operational lifespans. This motor is engineered to handle continuous duty cycles, making it ideal for environments where frequent adjustments or automated positioning are required such as in commercial buildings, data centers, or industrial facilities where energy efficiency and operational flexibility are critical. The compact yet sturdy design allows for easy installation in tight spaces, while its **IP65-rated enclosure** ensures protection against dust, dirt, and moisture, making it suitable for both cleanroom and harsh outdoor applications.

One of the standout features of the RM29 is its **integrated electronic control system**, which enables seamless integration with building automation systems (BAS), PLCs, or other smart control platforms. This compatibility allows for remote monitoring, programmable positioning, and energy-saving functions, such as automatic angle adjustments based on real-time environmental conditions. The motor also incorporates **self-diagnostic capabilities**, providing fault detection and predictive maintenance alerts to minimize downtime and extend equipment lifespan. Additionally, the RM29 is engineered with **low-vibration operation**, reducing noise levels and enhancing overall system stability an essential consideration in noise-sensitive environments like hospitals, offices, or residential buildings.

For applications requiring **high-load capacity**, the RM29 is engineered to support significant weight adjustments, often exceeding 200 pounds (90 kg) depending on the specific model variant and mounting configuration. Its **adjustable stroke length** and **multiple mounting options** including flanged, trunnion, or pivot-style setups ensure versatility across a wide range of equipment types. Whether used for **duct damper control, boiler tilt adjustment, or fan angle modulation**, the RM29 delivers the precision and power needed to optimize airflow, reduce energy consumption, and enhance system efficiency.

Built with **corrosion-resistant materials**, including stainless steel components and sealed bearings, the RM29 is designed for longevity in both indoor and outdoor settings, even in corrosive or high-humidity environments. Its **low-maintenance design** eliminates the need for frequent lubrication or hydraulic fluid replacements, reducing operational costs and simplifying upkeep. When paired with Eaton s **McQuay-Norris** brand reliability, this motor mount becomes a long-term investment for industries prioritizing performance, sustainability, and operational excellence.

In summary, the **McQuay-Norris RM29 Engine Mount Motor (Eaton)** is a cutting-edge, motorized actuator that redefines precision and efficiency in industrial and HVAC applications. With its **high torque, smart control features, robust construction, and seamless integration capabilities**, it stands as a superior alternative to traditional mechanical systems, offering unmatched reliability, energy savings, and adaptability for modern infrastructure demands.

### **Pros and Cons of Buying a Used MCQuay Norris RM29 Engine with Eaton Transmission (No EATON)**

#### **Pros**

1. **Proven Reliability** The MCQuay Norris RM29 is a well-established marine engine known for durability, especially in commercial and recreational applications. Many models have been in production for decades, meaning there is a large pool of aftermarket parts and service expertise.

2. **Strong Performance** The RM29 is a high-torque, diesel engine designed for heavy-duty use, making it suitable for large boats, tugs, or work vessels. Its power output (typically around 290 350 HP, depending on configuration) ensures strong propulsion capabilities.

3. **Compatibility with Eaton Transmission** The RM29 is commonly paired with Eaton marine transmissions, which are robust and efficient. If the engine already has an Eaton transmission installed, it simplifies the setup, as you won t need to source a separate transmission.

4. **Lower Upfront Cost Compared to New** Purchasing a used RM29 engine (especially "no EATON" or "NOS" New Old Stock) can be significantly cheaper than buying a brand-new engine. This makes it an attractive option for budget-conscious buyers, particularly those with existing boats or projects.

5. **Availability of Parts and Service Support** As a legacy engine, the RM29 has a wide network of dealers, mechanics, and aftermarket suppliers. Finding replacement parts, gaskets, or service manuals is generally easier than for newer, less common engines.

6. **Potential for Customization** Since the RM29 is a proven design, buyers can often modify or upgrade components (e.g., turbochargers, injectors, or exhaust systems) to improve performance or efficiency.

7. **Good for Commercial or Secondary Use** If you re running a boat for work (e.g., fishing, chartering, or towing) rather than high-performance cruising, the RM29 s reliability and torque make it a practical choice.

---

#### **Cons**

1. **Age and Wear** Used RM29 engines, especially those without recent maintenance records, may have hidden issues such as worn bearings, cracked blocks, or failing injectors. A thorough inspection (including compression tests, leak-down tests, and internal inspections) is critical.

2. **Potential for Hidden Damage** Engines labeled "NOS" (New Old Stock) may have been stored improperly, leading to rust, seized components, or degraded seals. Even if the engine looks clean, internal corrosion can be a major concern.

3. **Higher Maintenance Requirements** Older diesel engines often require more frequent maintenance than modern counterparts. This includes regular oil changes, fuel system cleaning, and monitoring for leaks or unusual noises.

4. **Fuel and Emissions Compliance** The RM29 was designed for older fuel standards (e.g., pre-2010 diesel). If you re operating in areas with strict emissions regulations (e.g., Tier 3 or Tier 4), you may need aftermarket upgrades (e.g., EGR deletion, DPF removal, or remanufacturing) to comply, which can be costly.

5. **Limited Warranty or No Warranty** Used engines, especially those sold as-is, typically come with no warranty. If something fails shortly after purchase, you ll be responsible for repairs without recourse.

6. **Depreciation Risk** While buying used saves money upfront, older engines depreciate quickly. If you plan to sell the boat or engine later, you may not recover much of your initial investment.

7. **Training and Expertise Needed** Operating and maintaining a legacy diesel engine requires specific knowledge. If you re not experienced with marine diesels, you may need to invest in training or hire a professional mechanic, adding to ongoing costs.

8. **Potential for Incompatibility** If the engine is being installed in a boat with a different transmission or drivetrain, you may need additional modifications, which can complicate the installation process.

---

### **Conclusion**

Buying a used MCQuay Norris RM29 engine with an Eaton transmission can be a cost-effective choice for those seeking a reliable, high-torque marine powerplant. It is particularly suitable for commercial applications, older boats, or buyers who prioritize performance over the latest technology. However, the risks of hidden damage, higher maintenance costs, and potential compliance issues must be carefully considered.

- **Inspect thoroughly** Have a marine mechanic perform a full diagnostic, including internal inspections if possible.

- **Verify maintenance history** Ensure the engine has been regularly serviced and that records are available.

- **Budget for upgrades** Account for potential emissions modifications, transmission compatibility, and unexpected repairs.

- **Consider remanufactured options** If available, a remanufactured RM29 may offer better reliability than a used engine with unknown history.

- **Evaluate long-term costs** Weigh the upfront savings against the potential for higher maintenance and lower resale value.

### **Recommendation**

If you are an experienced boat owner with access to a trusted mechanic and can afford the time and money for proper inspection and maintenance, a used RM29 engine could be a solid purchase especially if you find one with a clean history and a compatible transmission. However, if you are unsure about the engine s condition or lack experience with marine diesel engines, it may be wiser to consider a newer, remanufactured engine or a different model with modern emissions compliance.

For those on a tight budget, a used RM29 is a viable option, but **prioritize transparency from the seller, a pre-purchase inspection, and a clear understanding of all potential costs**. If emissions regulations are a concern, factor in the expense of necessary modifications upfront.

Details:

Built to meet OEM standards for performance and durability. Helps reduce engine vibration and movement. 1B3C McQuay-Norris Engine Mount Part #RM29. Durable design for long service life.

Box shows wear, markings, and age. Reliable engine/motor mount designed to reduce vibration and properly secure engine positioning. Key Features: Heavy-duty rubber and metal construction. Fitment: Confirm compatibility with part number RM29.

Includes: 1 Engine mount. Direct replacement fit. Condition: New old stock NOS. Perfect for restoration or repair applications.

part #: rm29 prices

• $5.00-$24.99

specifications engimou:

• brand: Mcquay Norris
• mpn: Rm29
• part type: Engine Mount Motor
• country of origin: United States

returns engimou:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

general engimou:

• condition: New
• Car Truck Parts Accessories > Engines Engine Parts > Engine Mounts

seller engimou:

• city: Jessup, Maryland
• rating: 99.9%
• # reviews: 15472

payments engimou:

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

offer engimou:

• started: April 21, 2026
• sold: 0
• quantity: 1
• availability: In Stock
• options: Ship-to-home
• best offers: True

shipping engimou:

• transit: 3-7 Days
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage
• type: Calculated
• carrier: USPS

Mcquay Norris RM29 Is Similar To:

• Mcquay-norris Mm2359 Mcquay-norris Front Motor Mount For 70-73 Datsun 1200 B110 A12 Engine (39.7% similar) Please refer to the products photograph for actual country of origin. Mcquay-norris part number mm 2359. Shipping: free shipping is for contingent USA only. Country of origin: origin is stated on product packaging. Free shipping is for continental USA only. These items, although new, may contain ...(April 23rd, 2026)