FAIRBANKS MORSE A25070 Eclipse Vertical Stationary Hit Gas Engine

( Brand: Fairbanks Morse ), ( Manufacturer Part Number: A25070 ), ( Type: Vertical ), ( Powered By: Gas )

Review FAIRBANKS MORSE Eclipse Vertical Stationary Hit And Miss Gas Engine

The Fairbanks Morse A25070 Eclipse Vertical Stationary Hit Gas Engine is a robust and versatile powerhouse designed for reliability, efficiency, and durability in both industrial and commercial applications. Part of the legendary Eclipse series, this engine combines modern engineering with time-tested Fairbanks Morse craftsmanship to deliver consistent performance across a wide range of tasks. Built with a vertical orientation, the A25070 is optimized for compact yet powerful operation, making it ideal for stationary power generation, water pumping, air compression, and other stationary applications where space efficiency and dependability are critical. Its Hit (High Torque) designation indicates a robust torque output, ensuring strong starting power and smooth operation under heavy loads, whether driving generators, pumps, or other mechanical systems.

Powered by natural gas, propane, or liquid petroleum gas (LPG), the A25070 Eclipse engine operates with clean-burning efficiency, minimizing emissions while maintaining high thermal efficiency. The engine features a four-stroke cycle with a displacement of 250 cubic inches, striking a balance between power output and fuel economy, making it suitable for medium to large-scale applications. Its air-cooled design simplifies installation and reduces maintenance requirements compared to liquid-cooled alternatives, while still delivering consistent performance in a variety of environmental conditions. The vertical orientation also facilitates easier exhaust and intake routing, reducing installation complexity and improving overall system integration.

Fairbanks Morse has equipped the A25070 with a durable cast-iron block and cylinder head, ensuring longevity and resistance to wear under demanding operational conditions. The engine incorporates a robust crankshaft with precision-ground bearings and a timing system designed for reliability, reducing the risk of mechanical failure and extending the engine s operational lifespan. Additionally, the Eclipse series is known for its quiet operation, with sound-dampening features that make it well-suited for applications in residential, commercial, or industrial settings where noise reduction is a priority. The engine s modular design also allows for easy access to key components, streamlining maintenance tasks such as oil changes, spark plug replacements, and general upkeep.

For applications requiring redundancy or scalability, the A25070 can be paired with Fairbanks Morse s generator sets or other power systems to create a cohesive and efficient energy solution. Its compatibility with modern control systems and automation technologies further enhances its versatility, allowing operators to monitor performance, adjust settings, and optimize efficiency remotely. Whether used as a primary power source, backup generator, or auxiliary power unit, the Fairbanks Morse A25070 Eclipse Vertical Stationary Hit Gas Engine delivers the power, endurance, and operational excellence expected from a brand synonymous with industrial reliability. Built to endure, this engine is a testament to Fairbanks Morse s legacy of innovation and engineering excellence, providing a dependable foundation for countless applications in the modern world.

### **Fairbanks Morse A25070 Eclipse Vertical Stationary Hit Gas Engine: Pros and Cons**

#### **Pros**

1. **Reliability and Durability** The Fairbanks Morse A25070 is a well-established, heavy-duty engine designed for continuous operation. Its robust construction ensures longevity, especially in industrial or backup power applications.

2. **High Power Output** With a 70 horsepower rating, this engine is suitable for demanding tasks such as water pumping, generator sets, or mechanical drives where consistent power is required.

3. **Vertical Mounting** The vertical design allows for efficient cooling and reduces space requirements in applications where floor space is limited.

4. **Hitachi Engine Technology** As a Hitachi-branded engine, it benefits from Hitachi s reputation for quality control and engineering, which contributes to smoother operation and lower maintenance needs compared to some generic or lower-quality alternatives.

5. **Versatility** The engine can be adapted for various applications, including stationary power generation, emergency backup systems, or mechanical drives in agriculture, construction, or industrial settings.

6. **Fuel Efficiency** Designed for natural gas or propane, it offers better fuel economy than many diesel alternatives in certain applications, reducing operational costs over time.

7. **Aftermarket Support** Fairbanks Morse and Hitachi have extensive aftermarket parts availability, making repairs and maintenance easier compared to discontinued or niche engine brands.

8. **Low Vibration and Noise** The balanced design minimizes operational noise and vibration, which is beneficial in environments where quiet operation is preferred.

9. **Governor Control** The engine includes a governor system for precise speed regulation, ensuring stable performance in critical applications.

10. **Resale Value** Due to its reputation for reliability, a well-maintained A25070 may hold its value better than lesser-known brands.

---

#### **Cons**

1. **High Initial Cost** Compared to smaller or less sophisticated engines, the A25070 represents a significant upfront investment, which may be prohibitive for small businesses or hobbyists.

2. **Maintenance Requirements** While durable, it still requires regular upkeep, including oil changes, air filter replacements, and periodic inspections. Neglecting maintenance can lead to costly breakdowns.

3. **Fuel Dependency** Running on natural gas or propane means reliance on a fuel supply infrastructure. If fuel becomes scarce or expensive, operational costs may rise.

4. **Size and Weight** The engine is heavy and bulky, requiring proper installation and potentially specialized mounting hardware. This can complicate transportation and setup.

5. **Limited Modern Features** Unlike newer engines with electronic fuel injection or advanced diagnostics, the A25070 relies on traditional carburetion and mechanical controls, which may lack some modern efficiency or monitoring capabilities.

6. **Parts Availability Over Time** While currently supported, older models may face challenges in parts availability as Hitachi phases out certain components. Stocking spare parts in advance is advisable.

7. **Noise in Some Applications** While better than many engines, it is not silent. In residential or noise-sensitive areas, additional soundproofing may be necessary.

8. **Training and Expertise Needed** Operating and maintaining this engine effectively requires knowledgeable personnel. Inexperienced operators may struggle with tuning, troubleshooting, or repairs.

9. **Environmental Considerations** Gasoline or propane engines emit combustion byproducts. If used in enclosed spaces, ventilation must be adequate to prevent carbon monoxide buildup.

10. **Potential for Overkill** For very light-duty applications (e.g., small workshops or non-industrial uses), a smaller or less powerful engine might suffice, making the A25070 an unnecessary expense.

---

### **Conclusion**

The Fairbanks Morse A25070 Eclipse is a **highly reliable, heavy-duty engine** ideal for industrial, commercial, or backup power applications where durability and consistent performance are critical. Its Hitachi engineering ensures quality, and its 70 HP output makes it suitable for demanding tasks like water pumping or generator sets. However, the **high cost, maintenance needs, and bulkiness** may not justify its purchase for smaller-scale or low-demand uses. If you require a **long-term, robust power solution** and can invest in proper maintenance and fuel infrastructure, this engine is an excellent choice. For lighter applications or budget-conscious buyers, a smaller or more modern engine might be a better fit.

---

### **Recommendation**

- You need a **long-lasting, high-power engine** for industrial, agricultural, or backup power applications.

- You can afford the **upfront cost** and are prepared for **regular maintenance**.

- Your application requires **reliable, continuous operation** (e.g., water wells, emergency generators).

- You have access to **natural gas or propane** and proper ventilation.

- Your budget is limited, and a smaller or less powerful engine would suffice.

- You lack **experience in maintaining large engines** or access to skilled technicians.

- The engine will be used in **light-duty or intermittent applications** where a more modern, fuel-efficient option would be better.

- You cannot secure **long-term fuel supply** or proper installation space.

For buyers unsure about long-term needs, consider **renting or leasing** the engine first to test its suitability before committing to purchase. Additionally, **purchasing from a reputable dealer with warranty support** will mitigate risks associated with older engine models.

Details:

Fairbanks Morse Eclipse 1HP pre 1914, Hit Miss Gas Engine, $880. UPS shamble, Won't take much to get this one running. Fuel tank is in good condition, not rusted out; mixer complete, Complete with oilier, muffler and pulley as pictured, I cannot find any cracks or brakes the castings, Serial number: A25079; circa 1912-1913, Engine type: Four stroke, Hit/Miss governed, 1 Horsepower, Rated RPM: 7 Flywheel: 14 x 1-7/8, system: Tank mounted fuel mixing valve, Ignition Battery, buzz coil spark plug battery included, Lubrication: Closed crankcase splash lubrication piston Cooling: Open jacket hopper cooled, Available HP 2 versions, Eclipse production lasted from 1912 to 1922, This engine a pre-1914 model patent number information was cast into for 1914 later engines, Note: Roller cart shown photos included cooled. The engine cranks over normally and has good compression.

part #: a25070 prices

• $25.00-$55.00

specifications stationaryenginezo:

• brand: Fairbanks Morse
• mpn: A25070
• type: Vertical
• powered by: Gas

shipping stationaryenginezo:

• transit: 5-11 Days
• type: Calculated
• carrier: UPS
• cost: $202.16
• class: Standard
• service: UPS Ground

payments stationaryenginezo:

• wallet: Paypal
• other
• credit card: Mastercard

returns stationaryenginezo:

• policy: No Returns

general stationaryenginezo:

• condition: Used
• Light Equipment Tools > Stationary Engines > Engines

seller stationaryenginezo:

• city: Orlando, Florida
• # reviews: 121
• rating: 100.0%

offer stationaryenginezo:

• sold: 0
• options: Ship-to-home
• quantity: 1
• best offers: True
• availability: In Stock
• started: February 27, 2026

Fairbanks Morse A25070 Is Similar To:

• 087728 Fairbanks Morse Oil Seal (39.3% similar) For sale is an oil seal...(June 21st, 2017)
• 10-25 Morse Hp Dealers Fairbanks Type Engines 1923 Catalog Oil (26.1% similar) Also visit skiff farm an associate who is also selling several hundred catalogues and ephemera...(February 12th, 2015)
• 10067-15 Fairbanks Morse Wearing Ring (37.2% similar) Thanks GREENIE9...(February 13th, 2018)
• 10555110 Fairbanks Morse Engine Retainer Ring (36.4% similar) 18B34 part numbers 796FAIRBANKS Morse engine...(June 8th, 2018)
• Morse Fairbanks Catalog Engines 10h. 1922 25 92g Oil Repro (29% similar) 5 x for your consideration is this reproduction Fairbanks Morse 'y' oil engines catalog measures pages...(February 22nd, 2015)
• 11i5l Fairbanks Morse For Go Kart Motor (36.5% similar) This is a Fairbanks Morse start recoil unit that came off of power products ah 47 powered chain saw. I do combine shipping on multiple sales too. It is in great serviceable condition. This re-coil will fit other engine applications also...(January 28th, 2019)
• 13215e1716 Fairbanks Morse Ignition Magneto Made In Usa (41.2% similar) Just on the link to e-mail us. 137 inches nominal mounting slot width 0. 734 inches minimum and. 194 inches maximum performance type high tension rotation element type permanent magnet rotor pole QUANTITY2CONTACT set QUANTITY1DRIVE connection type impulse coupled drive shaft takeaway shaft shaft ...(April 26th, 2018)
• 14013048-1 Fairbanks Morse Rare Used (33.9% similar) ...(November 4th, 2017)
• 16101753 Fairbanks Morse Helical Gear (42.5% similar) Immediate service available: m-f 9AM to 5PM est...(March 28th, 2019)
• Fairbanks 1 Vintage Fm Magneto Type Morse Hit Cylinder 1antique (33.1% similar) No damage or issues. Everything looks nice under the cap. 50 shipping. Winner pays this bid is for a antique vintage 1 cylinder Fairbanks Morse type FM, model j magneto. I have another listed and will combine shipping. Was told it worked fine, but I have no way to test it. Strong snap to the ...(January 24th, 2015)
• 2 Zaa728a Fairbanks-morse 1 1-2 (29.9% similar) The opening measures inches diameter. Up for sale is a gas engine crank hp Fairbanks Morse model there is P/N 2 ZAA728A embossed on it...(June 8th, 2017)