TRAXXAS TRA8579 Rear Ring Gear Differential Pinion Differential/

( Brand: Traxxas ), ( Manufacturer Part Number: TRA8579 ), ( Part Type: Ring )

Review TRAXXAS Traxas Ring Gear Differential/ Pinion Differential Rear

The Traxxas TRX-4 RC Trail Crawler is renowned for its durability and off-road capabilities, and a crucial component of its powertrain system is the TRX-4's ring gear and pinion differential. The Traxxas part number for this differential assembly is TRX43501, and it is also interchangeably referred to as the TRX43501 ring gear differential or TRX43501 pinion differential.

This differential assembly is a critical part of the TRX-4's drivetrain, allowing power to be distributed efficiently between the left and right wheels. It features a ring gear with a 35-tooth count and a 1.37:1 ratio, which provides ample torque and power transfer for the TRX-4 to tackle challenging off-road conditions.

The pinion gear, which meshes with the ring gear, is also an essential component of this assembly. It is a 17-tooth pinion gear with a 1.37:1 ratio, making it perfectly matched to the ring gear. This gear ratio offers a balance between crawling torque and top end speed, providing the TRX-4 with the versatility required for various off-road environments.

Both the ring gear and pinion gear are manufactured using high-quality materials, ensuring a robust and durable construction. The gears are precision-machined to ensure proper fit, and the teeth on both gears are designed for maximum traction and grip.

The TRX43501 ring gear differential also includes a set of differential gears and an adjustable slipper clutch. The differential gears are manufactured using steel material, while the slipper clutch allows for adjustments to the drivetrain's power distribution, enabling the TRX-4 to maintain traction in various conditions.

This TRX-4 ring gear and pinion differential assembly is an essential upgrade for any TRX-4 RC crawler enthusiast seeking improved performance, durability, and torque capacity. Whether you're tackling rocky terrain, muddy trails, or steep inclines, this differential assembly is designed to help you conquer the toughest off-road challenges.

In summary, the Traxxas TRX43501 ring gear and pinion differential for the TRX-4 RC crawler is a critical powertrain component that offers improved performance, durability, and versatility. It features a 35-tooth ring gear with a 1.37:1 ratio, a 17-tooth pinion gear with a 1.37:1 ratio, and an adjustable slipper clutch. Manufactured using high-quality materials, this differential assembly is designed to help you conquer the toughest off-road challenges with ease.

Traxxas Ring Gear and Pinion Differential (Model: TRX-8579) is a popular upgrade option for Traxxas RC vehicles, especially those with heavy modifications or high-performance use. Here are some pros and cons that might help you decide whether to purchase this differential.

1. Improved Durability: The ring gear and pinion differential design is stronger than the stock differential. It can handle more torque and power, making it suitable for heavy-duty use and high-performance applications.

2. Smoother Operation: The ring gear and pinion differential reduces power loss and improves efficiency, resulting in smoother operation and better acceleration.

3. Customizable: Traxxas offers different gear ratios, allowing users to customize the vehicle's top speed and acceleration based on their preference.

4. Easy Installation: The TRX-8579 differential is relatively easy to install, with clear instructions and a straightforward process.

1. Cost: The ring gear and pinion differential is more expensive than the stock differential. This may be a significant investment for some users.

2. Requires Additional Parts: Installing the TRX-8579 differential may require purchasing additional parts, such as new wheel axles and spider gears, depending on the specific RC vehicle model.

3. Higher Maintenance: The ring gear and pinion differential may require more frequent maintenance than the stock differential due to its more complex design.

The Traxxas TRX-8579 ring gear and pinion differential offers several advantages, such as increased durability, smoother operation, and customizability. However, it comes with some disadvantages, such as a higher cost, the need for additional parts, and increased maintenance. Ultimately, the decision to purchase this differential depends on your specific RC vehicle's requirements, your budget, and your willingness to invest in high-performance upgrades.

If you have a heavy-duty RC vehicle with significant modifications or high-performance requirements, the Traxxas TRX-8579 ring gear and pinion differential could be a worthwhile investment. It offers improved durability, smoother operation, and customizable gear ratios. However, be prepared for a higher cost, the need for additional parts, and increased maintenance. If you have a stock vehicle or are on a tight budget, you may want to consider other upgrades or wait until you have more resources to invest in this differential.

Details:

Ring gear, differential/ pinion differential rear.

part #: tra8579 prices

• $11.00-$33.88

specifications rcparta:

• brand: Traxxas
• mpn: Tra8579
• part type: Ring

shipping rcparta:

• service: Economy
• class: Economy
• type: Fixed
• transit: 5-10 Days
• cost: $5.48

returns rcparta:

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

general rcparta:

• Radio Control Control Line > RC model Vehicle Parts Accs > Other RC Parts Accs
• condition: New

offer rcparta:

• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: January 16, 2026
• sold: 0

payments rcparta:

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

seller rcparta:

• rating: 99.8%
• # reviews: 4290
• city: Tampa, Florida

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