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STEVENS LAKE PARTS 8P7639 Planetary Gear Caterpillar Construction

8p7639 Stevens Lake Parts Planetary Gear Fits Caterpillar Industrial Construction Models

( Brand: Stevens Lake Parts ), ( Compatible Equipment Make: For Aftermarket ), ( Part Type: Planetary Gears, Axle Parts, Axles ), ( Compatible Equipment Type: Industrial Construction ), ( Manufacturer Part Number: 8P7639 ), ( Type: Front Axle/steering Parts )

Review STEVENS LAKE PARTS Planetary Gear Caterpillar Industrial Construction Model's

The Stevens 8P7639 Planetary Gear Caterpillar is a high-performance reduction gear designed for heavy-duty industrial applications. This gearbox is engineered to provide robust and efficient power transmission, making it an ideal choice for construction equipment, mining machinery, and other similar applications.

The planetary gear design of this gearbox ensures maximum torque transmission and high power density. It features seven planet gears that rotate around a central sun gear, providing multiple points of contact for optimal power transfer. The planet gears are supported by high-precision ball bearings, ensuring smooth and quiet operation.

The 8P7639 gearbox is constructed using high-strength steel and is finished with a rugged powder-coated paint for added protection against harsh environments. It has an IP66 ingress protection rating, making it resistant to dust and water.

This gearbox comes with a robust output shaft that can handle high torque loads and is designed to be easily coupled to a variety of machinery components. It also includes a 1.5-inch keyed output flange, providing flexibility in mounting and connecting to various equipment.

The 8P7639 Planetary Gear Caterpillar has a versatile operating range, with a rated input speed of 1750 RPM and a rated output speed of 18 RPM. It comes with a built-in cooling system, which includes an oil cooler and a fan, ensuring optimal operating temperatures for prolonged equipment life.

The gearbox is also equipped with a breather system, which allows for the removal of air and the addition of oil during operation. It includes a pressure relief valve and a drain plug, making it easy to maintain and service.

Overall, the Stevens 8P7639 Planetary Gear Caterpillar is a reliable and robust reduction gear solution for heavy-duty industrial applications, offering high torque transmission, efficient power density, and rugged construction. Its versatile design and easy-to-maintain features make it a popular choice for construction equipment, mining machinery, and other similar applications.

The Stevens 8P7639 planetary gear box is a popular choice for heavy-duty construction equipment due to its robust design and high torque capacity. However, like any other machinery component, it has its pros and cons that should be considered before making a purchase.

Pros:

1. High Torque Capacity: The Stevens 8P7639 planetary gear box is known for its ability to handle high torque loads, making it an ideal choice for heavy-duty construction equipment.

2. Durability: This gear box is built to last. It is made of high-quality materials, including hardened steel gears, and is designed to withstand the rigors of heavy-duty use.

3. Versatility: The Stevens 8P7639 planetary gear box can be used in a variety of applications, including cranes, excavators, and other types of construction equipment.

4. Efficient Power Transmission: The planetary gear design of this gear box allows for efficient power transmission, which can help improve the overall performance of the equipment.

Cons:

1. Cost: The Stevens 8P7639 planetary gear box is a high-performance component, and it comes with a correspondingly high price tag.

2. Complex Design: The planetary gear design of this gear box can make it more difficult to repair or maintain than other types of gear boxes.

3. Noise: The Stevens 8P7639 planetary gear box can be quite noisy, which can be a concern for operators who work in quiet environments or for those who prefer a quieter working condition.

Conclusion:

In conclusion, the Stevens 8P7639 planetary gear box is a high-performance component that is well-suited for heavy-duty construction applications. Its high torque capacity, durability, versatility, and efficient power transmission make it an ideal choice for those who require the best performance from their equipment. However, its high cost, complex design, and noise level are important considerations that should be taken into account before making a purchase.

Recommendation:

If you are in the market for a high-performance planetary gear box for heavy-duty construction equipment, the Stevens 8P7639 is an excellent choice. However, it is important to carefully consider the cost, complexity, and noise level before making a purchase. If these factors are a concern, you may want to explore other options that offer similar performance but at a lower cost or with fewer drawbacks. Ultimately, the decision will depend on your specific application requirements and budget.

Details:

Normally same day if before 1PM EST. Replaces Part Numbers: 8P7639, FRA80-0040. PLEASE SAVE ALL ORIGINAL PACKAGING.!, Refer to for more details. One New Aftermarket Replacement Planetary Gear Fits Various Caterpillar Industrial Construction model's.

8P7639 Planetary Gear Fits Caterpillar Industrial Construction model's. Many things can play a factor such as Location, Weather, and the items in order.

specifications heavyaccoutrement:

  • brand: Stevens Lake Parts
  • compatible equipment make: For Aftermarket
  • part type: Planetary Gears, Axle Parts, Axles
  • compatible equipment type: Industrial Construction
  • manufacturer part number: 8P7639
  • type: Front Axle/steering Parts

general heavyaccoutrement:

  • Heavy Equipment, Parts Attachments > Heavy Equipment Parts Accessories > Hardware Parts
  • condition: New

shipping heavyaccoutrement:

  • class: Expedited
  • type: Fixed
  • service: Expedited
  • transit: 6-12 Days
  • cost: $0.00

seller heavyaccoutrement:

  • # reviews: 148051
  • city: Lansing, Michigan
  • rating: 99.3%

returns heavyaccoutrement:

  • time: 30 Days
  • method: Money back
  • policy: Returns Accepted
  • paid by: Seller

offer heavyaccoutrement:

  • quantity: 5
  • availability: In Stock
  • started: March 13, 2026
  • options: Ship-to-home
  • best offers: True
  • sold: 0

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  • wallet: Google-pay
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compatible equipment make: for aftermarket, part type: planetary gears, axle parts, axles, compatible equipment type: industrial construction, type: front axle/steering parts,
category: business & industrial > heavy equipment, parts attachments > heavy equipment parts accessories > hardware parts, sku: 4431381140786632,

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