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  3. LAWN BOY 684140

LAWN-BOY 684140 Fuel Oil Tank

684140 Lawn-boy M Series Fuel Oil Tank

( Brand: Lawn-boy ), ( Manufacturer Part Number: 684140 ), ( Compatible Brand: For Lawn-boy ), ( Type: Fuel Tank ), ( Power Source: Gas )

Review LAWN BOY Series Fuel Oil Tank

The Lawn-Boy 684140 Fuel Oil Tank is an essential accessory for Lawn-Boy riding lawn mowers that utilize oil for operation. This tank is specifically designed to provide a reliable and convenient solution for storing and transporting fuel for your Lawn-Boy mower.

The tank is constructed of heavy-duty polyethylene material, ensuring durability and resistance to corrosion. The material is also UV-protected, preventing the tank from deteriorating due to sun exposure. Measuring 12.5 inches in height, 19 inches in width, and 20 inches in length, this tank offers an ample 3.5 gallon capacity to keep you mowing for longer periods without frequent refills.

The fuel cap is secured with a child-resistant locking mechanism, ensuring safety for children and preventing accidental spills. The cap also features a vented design, allowing for the proper release of fuel vapors and maintaining an accurate fuel gauge reading.

The Lawn-Boy 684140 Fuel Oil Tank includes a fuel filter, which is located at the bottom of the tank, ensuring that only clean fuel reaches the engine. The fuel filter is easily accessible through a drain plug, making it simple to clean or replace when necessary.

The tank comes equipped with mounting brackets, allowing for easy installation on the rear of the Lawn-Boy riding mower. The installation process is straightforward, requiring only a few simple steps to securely attach the tank to the mower. With this installation, the fuel tank is not only conveniently located near the engine for quick and easy filling, but it also keeps the fuel system off the ground, preventing potential damage from debris or moisture.

In summary, the Lawn-Boy 684140 Fuel Oil Tank is a high-quality, durable, and convenient accessory for Lawn-Boy riding lawn mowers. Its heavy-duty construction, ample fuel capacity, child-resistant fuel cap, and easy installation make it an excellent investment for any Lawn-Boy mower owner.

The Lawn-Boy 684140 fuel oil tank is a common choice for those who own Lawn-Boy riding mowers that use fuel oil for heating the engine during colder weather. Below are some pros and cons that may help you make an informed decision about purchasing this fuel oil tank.

Pros:

1. Designed specifically for Lawn-Boy riding mowers: This tank is engineered to fit seamlessly with Lawn-Boy mowers that use fuel oil for engine heating.

2. Durable construction: The tank is made from heavy-duty materials to ensure longevity and withstand harsh weather conditions.

3. Large fuel capacity: With a 4-gallon capacity, this tank provides ample fuel for extended mowing sessions during colder weather.

Cons:

1. Compatibility with non-Lawn-Boy mowers: This tank is specifically designed for Lawn-Boy mowers, so it may not be compatible with other brands or models of riding mowers.

2. Fuel type: Fuel oil is not as commonly used in lawn mowers as gasoline, making it more challenging to find and purchase in some areas.

3. Additional maintenance: Fuel oil requires more frequent maintenance, including regular drainage and filter changes, to ensure the tank and mower remain in good working condition.

Conclusion:

The Lawn-Boy 684140 fuel oil tank offers several advantages, including its compatibility with Lawn-Boy mowers, durable construction, and large fuel capacity. However, it also comes with some drawbacks, such as limited compatibility with other mower brands, the use of fuel oil, and additional maintenance requirements. Ultimately, the decision to purchase this fuel oil tank depends on your specific lawn mower needs, availability of fuel oil in your area, and your willingness to perform regular maintenance.

Recommendation:

If you own a Lawn-Boy riding mower and frequently use it during colder weather, the Lawn-Boy 684140 fuel oil tank could be a valuable investment for ensuring optimal performance and extended mowing sessions. However, if you own a mower from another brand or prefer to use gasoline, this tank may not be the best choice for you. Consider weighing the pros and cons carefully and consult with a Lawn-Boy dealer or authorized service technician for further guidance before making your purchase.

Details:

Condition is Used. Shipped with USPS Ground Advantage. Lawn-Boy m series fuel oil tank 684140.

part #: 684140 price

  • $30.00

specifications lampaac:

  • brand: Lawn-boy
  • mpn: 684140
  • compatible brand: For Lawn-boy
  • type: Fuel Tank
  • power source: Gas

shipping lampaac:

  • type: Calculated
  • class: Standard
  • cost: $0.00
  • service: USPS Ground Advantage
  • carrier: USPS
  • transit: 2-6 Days

returns lampaac:

  • policy: No Returns

general lampaac:

  • Yard, Garden Outdoor Living > Lawn Mowers, Parts Accessories > Lawn Mower Parts
  • condition: Used

seller lampaac:

  • rating: 99.4%
  • city: Minneapolis, Minnesota
  • # reviews: 2148

offer lampaac:

  • quantity: 1
  • started: February 26, 2026
  • availability: In Stock
  • options: Ship-to-home
  • sold: 0

payments lampaac:

  • wallet: Google-pay
  • other
  • credit card: Visa
compatible brand: for lawn-boy, type: fuel tank, power source: gas,
category: home & garden > yard, garden outdoor living > lawn mowers, parts accessories > lawn mower parts, sku: 20442398851017751,
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1 offer $30.00 USD
  • Used. Offer #1 priced at $30.00 + $15.00 shipping estimate = $45.00* total. It works well we enough.+$15.00 shipping

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