JOHN DEERE AM878401 Bevel Gear Hydro 425. 445. 455.

( Brand: John Deere ), ( Manufacturer Part Number: AM878401 ), ( Type: Gear ), ( Power Source: Gas ), ( Horsepower: 22 Hp ), ( Number In Pack: 2 Gears ), ( Compatible Model: 445 ), ( Material: Steel )

Review JOHN DEERE Bevel Gear 425. 445. 455. Hydro Output

The Deere & Company AM878401 Bevel Gear is an essential component of John Deere's hydrostatic transmission systems, specifically designed for use with 425, 445, and 455 series tractors. This high-quality bevel gear is engineered to provide efficient power transfer between the engine and the hydrostatic drive, ensuring optimal performance and reliability.

The AM878401 Bevel Gear is manufactured using premium materials to withstand the rigors of heavy-duty agricultural applications. Its robust design includes hardened steel teeth to resist wear and tear, ensuring long-lasting durability. The gear's precision-machined surface ensures smooth operation, minimizing noise and vibration.

The bevel gear's unique design features an oil-lubricated system that reduces friction and wear, providing extended service life and improved efficiency. The gear's oil seals prevent leaks, maintaining the cleanliness of the hydrostatic transmission system and ensuring consistent performance.

The AM878401 Bevel Gear is easy to install and replace, with a straightforward design that minimizes downtime. Its dimensions are 11.3 inches (28.7 cm) in length, 10.5 inches (26.7 cm) in width, and 5.6 inches (14.2 cm) in height. Its weight is approximately 41.3 pounds (18.75 kg), making it a sturdy and reliable component for John Deere's hydrostatic transmission systems.

In summary, the Deere & Company AM878401 Bevel Gear is a critical component of John Deere's hydrostatic transmission systems, designed to provide efficient power transfer and reliable performance in 425, 445, and 455 series tractors. Its robust design, precision machining, and oil-lubricated system ensure durability, smooth operation, and extended service life. The gear's easy installation and replacement process minimizes downtime, making it an essential investment for any agricultural operation.

The Deere AM878401 bevel gear 425 445 455 hydro is a component used in John Deere tractors for powering their hydrostatic transmission systems. Here are some pros and cons that may help in deciding whether to purchase this part:

1. High-quality component: John Deere is known for its durability and reliability, and this bevel gear is no exception. It is manufactured to meet the high standards of the company.

2. Compatibility: This bevel gear is specifically designed to work with John Deere tractors with hydrostatic transmission systems modeled as 425, 445, and 455.

3. Improved performance: Installing a new bevel gear can improve the overall performance of the tractor, making it smoother and more efficient.

4. Long-lasting: With proper maintenance, this bevel gear can last for several years, reducing the need for frequent replacements.

1. Cost: Replacing a bevel gear can be a significant investment, especially for small farmers or homeowners who may not use their tractors frequently.

2. Complex installation: Installing a new bevel gear can be a complex process that requires specialized tools and knowledge. It is recommended to have it installed by a professional to ensure proper alignment and function.

3. Availability: Depending on the dealer or supplier, this part may not always be in stock, which can cause delays in repairs or maintenance.

4. Potential for damage: The bevel gear is a critical component of the hydrostatic transmission system. Damage to this part can result in extensive damage to other components, leading to higher repair costs.

The Deere AM878401 bevel gear 425 445 455 hydro is a high-quality component that can improve the performance and longevity of John Deere tractors with hydrostatic transmission systems. However, the cost and complexity of installation are significant drawbacks. Before making a purchase, it is recommended to consider the frequency of use, availability of the part, and the potential for damage. If the tractor is used frequently or extensively, it may be worth the investment to ensure optimal performance and reduce the need for frequent repairs. If the tractor is used infrequently or for light-duty tasks, it may be more cost-effective to consider alternative solutions or wait for the part to become more readily available. Ultimately, the decision to purchase this part should be based on the specific needs and circumstances of the tractor owner.

Details:

part #: am878401 prices

• $35.00-$70.00

specifications lampaac:

• brand: John Deere
• mpn: Am878401
• type: Gear
• power source: Gas
• horsepower: 22 Hp
• number in pack: 2 Gears
• compatible model: 445
• material: Steel

shipping lampaac:

• transit: 3-8 Days
• type: Calculated
• cost: $0.00
• class: Standard
• carrier: USPS
• service: USPS Ground Advantage

returns lampaac:

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

general lampaac:

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

seller lampaac:

• # reviews: 7272
• city: Nashua, Iowa
• rating: 100.0%

payments lampaac:

• wallet: Paypal
• other
• credit card: Mastercard

offer lampaac:

• sold: 0
• started: March 25, 2026
• quantity: 1
• options: Ship-to-home
• availability: In Stock

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