
77940 Comparison
| photo | price | summary | rating |
|---|---|---|---|
![]() | $30.00 | Condition is Used, Ritchie Yellow Jacket Max-Flow Combination Oil Pump 77940 No Hose, shipping cost = $10.00 | 100.0% |
![]() | $45.00 | Condition is Used, Ritchie Combination Pump 77940 HVAC OIL PUMP, shipping cost = $12.00 | 100.0% |
![]() | $55.00 | Condition is Used, Ritchie Yellow Jacket Max-Flow Combination Oil Pump 686800 77940 , shipping cost = $24.35 | 98.9% |
![]() | $89.96 | Top Pick! Condition is Used, Ritchie Yellow Jacket 77940 Max-Flow Combination Oil Pump W/Charging Hose 21672, shipping cost = $35.95 | 99.3% |
| photo | price | summary | rating |
|---|---|---|---|
![]() | $164.02 | Condition is New, Ritchie Engineering Co., Inc. / YELLOW JACKET 77940 Max-Flow Combination Oil ..., FREE SHIPPING | 99.7% |
![]() | $196.23 | Top Pick! Condition is New, Ritchie Engineering 77940 2.6 Oz Oil Pump 200 PSI NPT, FREE SHIPPING | ![]() |

The Ritchie Engineering 77940 Max-Flow Combination Oil Pump with part number 686800 hose is a high-performance, heavy-duty component designed for use in various construction, agriculture, and industrial equipment. This oil pump kit comes complete with the pump and the required hose, making it a convenient and cost-effective solution for machinery owners and repair shops.
The Max-Flow Combination Oil Pump is engineered to provide increased oil flow rates to meet the demands of modern machinery. It features a robust design with a cast iron housing, ensuring durability and longevity. The pump's internal gears are made from high-strength materials, and the pumping elements are precision-machined to ensure optimal oil flow and pressure.
The 686800 hose that comes with this kit is specifically designed to work with the Max-Flow Combination Oil Pump. It is made of high-quality, reinforced rubber material that is resistant to oil, fuel, and other contaminants commonly found in heavy machinery environments. The hose is also designed to meet or exceed the industry standard for working pressure and temperature, ensuring reliable performance under the most demanding conditions.
Installation of the Max-Flow Combination Oil Pump is straightforward, thanks to its universal mounting design. The pump can be easily mounted on various equipment using the provided mounting brackets. The hose can be connected to the pump and the machinery using the quick-connect fittings, which provide a secure connection and minimize leakage.
In summary, the Ritchie Engineering 77940 Max-Flow Combination Oil Pump with part number 686800 hose is a high-performance, heavy-duty oil pump kit that delivers increased oil flow rates and reliability. Its robust design, high-quality materials, and easy installation make it an ideal solution for machinery owners and repair shops looking to keep their equipment running at peak performance.
Ritchie Engineering 77940 Max-Flow Combination Oil Pump with 686800 Hose: A Detailed Analysis
Introduction:The Ritchie Engineering 77940 Max-Flow Combination Oil Pump with 686800 Hose is a popular choice among heavy equipment operators due to its high flow rate and durability. In this analysis, we will discuss the pros and cons of purchasing this oil pump to help you make an informed decision.
Pros:1. High Flow Rate: The Ritchie Engineering Max-Flow Combination Oil Pump delivers an impressive flow rate of 120 GPM, making it ideal for large engines that require a significant amount of oil.
2. Durability: The pump housing is made of cast iron, and the impeller and diffuser are made of bronze, ensuring long-lasting performance.
3. Versatility: This oil pump can be used with various engine types, including diesel and gas engines, and can be mounted horizontally or vertically.
4. Easy Installation: The pump comes with a 686800 hose, making it easy to install and connect to the engine.
5. Affordable: Compared to other high-performance oil pumps, the Ritchie Engineering 77940 is relatively affordable.
Cons:1. Size: The pump is quite large and heavy, which can make installation more challenging in tight spaces.
2. Maintenance: The pump requires regular maintenance, including frequent oil changes and impeller adjustments, to ensure optimal performance.
3. Compatibility: While the pump can be used with various engine types, it may not be compatible with all models, so it's essential to check the specifications before purchasing.
Conclusion:The Ritchie Engineering 77940 Max-Flow Combination Oil Pump with 686800 Hose is a high-performance, durable, and affordable option for heavy equipment operators who require a high flow rate oil pump. However, its large size and the need for regular maintenance may be drawbacks for some users.
Recommendation:If you operate heavy equipment with large engines and require a high flow rate oil pump, the Ritchie Engineering 77940 Max-Flow Combination Oil Pump with 686800 Hose is an excellent choice. However, if you have limited installation space or prefer a low-maintenance option, you may want to consider other alternatives. Ultimately, it's essential to weigh the pros and cons carefully before making a purchase decision.
Details:
Comes as pictured.
specifications maxohvac:
- brand: Ritchie Engineering
- mpn: 77940
- part type: Flow Oil Jacket Pump Hose
- upc: 744110348231
offer maxohvac:
- prices: $30.00–$196.23
- item condition:
- Used
- New
- options: ship-to-home
- started: september 15, 2025
- sold #: 12
- availability: in stock
- in stock #: 5
general maxohvac:
- category: Business & Industrial > Hvac Refrigeration
seller maxohvac:
- rating: 99.8%
- # reviews: 7667
- city: columbus, indiana
returns maxohvac:
- time: 30 days
- policy: returns accepted
- paid by: seller
- method: money back
payments maxohvac:
- wallet: google-pay
- credit card: discover
- other
shipping maxohvac:
- service: standard
- class: standard
- type: fixed
- transit: 3-7 days
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