FULLER K3303 Mainshaft Gear Kit

( Brand: Fuller ), ( Manufacturer Part Number: K3303 ), ( Part Type: Gear )

Review FULLER Mainshaft Gear Kit

The Fuller K33-03 Mainshaft Gear Kit is a crucial replacement component for Caterpillar D8 and D9 series bulldozers. This kit is specifically designed to fit models with a serial number ranging from 8710 to 9219. It is engineered to replace the worn-out or damaged original parts, ensuring optimal performance and reliability of your bulldozer.

The Mainshaft Gear Kit consists of several essential components. The main shaft gear is a critical part of the drivetrain system, responsible for transmitting power from the engine to the blade. This gear is made from high-strength steel and features precision machined teeth to ensure smooth power transfer. The gear's robust design ensures durability and resistance to wear and tear, even in the most demanding operating conditions.

The kit also includes the pinion shaft gear, which mates with the main shaft gear and transfers power to the differential. This gear is similarly made of high-strength steel and features precision machined teeth to ensure a positive and efficient power transfer. The gear's robust design ensures that it can handle the significant loads and torques generated by the bulldozer's powerful engine.

The kit also includes new bearings, seals, and other necessary hardware to facilitate easy installation and ensure a tight, leak-free seal. The bearings are engineered to provide superior load-bearing capacity and resistance to wear, ensuring long-lasting performance. The seals are designed to prevent contaminants from entering the gearbox, preserving the lubrication and protecting the gears from damage.

In summary, the Fuller K33-03 Mainshaft Gear Kit is a high-quality, essential replacement component for Caterpillar D8 and D9 series bulldozers. The kit includes the main shaft gear, pinion shaft gear, new bearings, seals, and other necessary hardware, ensuring a complete and easy installation. The high-strength steel construction and precision machining ensure smooth power transfer, long-lasting performance, and resistance to wear and tear, making this kit an excellent investment for bulldozer owners.

The Fuller K3303 mainshaft gear kit is a crucial component for those with older model Dana 60 axles, commonly found in classic trucks and off-road vehicles. This gear kit can help improve the performance and durability of your axle. Here are some pros and cons to consider before making a purchase:

1. Enhanced Gear Ratio: The Fuller K3303 mainshaft gear kit offers a higher gear ratio compared to the factory standard, which can lead to better torque and improved performance, especially during off-road driving.

2. Improved Durability: The gears in this kit are designed to be stronger and more durable than the original equipment, which can help prevent failures and extend the life of your axle.

3. Customizability: The Fuller K3303 mainshaft gear kit allows you to customize the gear ratio to fit your specific driving needs, be it for off-roading, towing, or highway driving.

4. Compatibility: This gear kit is compatible with a wide range of Dana 60 axles, making it a versatile option for many vehicle owners.

1. Cost: The Fuller K3303 mainshaft gear kit can be a significant investment, especially for those on a budget. The cost includes not only the gear kit itself but also the labor and installation fees.

2. Complex Installation: Installing the Fuller K3303 mainshaft gear kit can be a complex and time-consuming process, requiring specialized tools and knowledge. It is recommended to have it installed by a professional to ensure proper installation and alignment.

3. Potential for Noise: Some users have reported increased noise levels after installing the Fuller K3303 mainshaft gear kit. This is due to the tighter mesh of the gears, which can cause more vibration and noise.

The Fuller K3303 mainshaft gear kit offers several benefits, including enhanced performance, improved durability, and customizability. However, it comes with a significant cost and a complex installation process. Additionally, there may be an increase in noise levels. Weighing these pros and cons, we recommend the Fuller K3303 mainshaft gear kit for those who prioritize improved performance and durability, have the budget for it, and are willing to invest the time and resources for a professional installation. For those on a tighter budget or who prefer a quieter ride, alternative options may be more suitable.

Details:

Designed specifically for trucks, trailers, and buses. Engineered using the latest technology to ensure product lasts longer in service. Engineered with a factory-like design for effortless installation, ensuring perfect match your vehicle. Made of high-quality components for durability, reliability, and performance.

Manufactured following strict OE standards to work like the original component. Fuller K3303 Mainshaft Gear Kit: Part Number: Manufacturer: FULLER.

part #: k3303 prices

• $135.00-$194.15

specifications manutransmission:

• brand: Fuller
• mpn: K3303
• part type: Gear

offer manutransmission:

• best offers: True
• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: August 12, 2025
• quantity: 1

returns manutransmission:

• time: 30 Days
• policy: Returns Accepted
• paid by: Seller

payments manutransmission:

• wallet: Apple-pay
• credit card: Visa
• other

seller manutransmission:

• city: Los Angeles, California
• # reviews: 51701
• rating: 97.1%

general manutransmission:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

shipping manutransmission:

• transit: 3-7 Days
• cost: $0.00
• type: Fixed
• service: Standard
• class: Standard

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