INJORA 4M-99BK Cnc Transmission Crawler 1/18 TRX4M

( Brand: Injora ), ( Manufacturer Part Number: 4M-99BK ), ( Included Components: Cnc Aluminium Komplettes Getriebe ), ( Set Name: Injora 370 Brushed Motor Aluminum Transmission Set ), ( Age Range Description: Adult ), ( Toy Vehicle Form: Truck ), ( Manufacturer Maximum Age: 168.0 ), ( Style: Modern ), ( Color: Black ), ( Customer Package Type: Flat Free Package ), ( Theme: Motorcycle ), ( Operation Mode: Manual ), ( Power Source Type: Battery Powered ), ( Target Audience Keyword: Unisex ), ( Material: Aluminum ), ( Unit Count: 1.0 ), ( Package Dimensions Lxwxh: 5.12x3.82x0.98 Inches ), ( Weight: 0.07 Pounds )

Review INJORA Cnc Aluminum Complete Transmission For 1/18 Rc Crawler Upgrade

Introducing the INJORA 4M-99BK CNC Transmission for 1/18 Crawler TRX4M, a high-performance upgrade that delivers superior power transfer and durability for your RC crawler. This transmission is meticulously crafted using Computer Numerical Control (CNC) machining technology to ensure precision and accuracy in every part.

The key feature of this transmission is its robust design. The gears are made from hardened steel, offering excellent strength and durability. The splines are precision cut, ensuring a secure and reliable connection between the gears. The transmission case is made from lightweight yet strong aluminum, reducing the overall weight of the vehicle and improving its agility.

The INJORA 4M-99BK CNC Transmission comes with an aluminum center differential that provides excellent traction control and smooth power transfer. The differential is equipped with 4-gear internals and features adjustable oil lines, allowing you to fine-tune the differential action to suit your driving style and terrain.

This transmission is designed to be easy to install, with all necessary hardware included in the package. The gear ratios are optimized for the TRX4M, providing excellent crawling ability and top speed. The transmission is also compatible with various electronics, allowing you to control it using your RC receiver.

The INJORA 4M-99BK CNC Transmission is not just about performance; it also looks great. The black anodized finish of the transmission and differential adds a touch of style to your RC vehicle, making it stand out from the crowd. The precision machining and attention to detail are evident in every aspect of this transmission, making it a must-have upgrade for any serious RC crawler enthusiast.

In summary, the INJORA 4M-99BK CNC Transmission for 1/18 Crawler TRX4M is a high-performance upgrade that offers superior power transfer, durability, and agility. With its robust design, easy installation, and adjustable differential, it is a must-have for any serious RC crawler enthusiast looking to take their vehicle to the next level.

The Injora 4M-99BK CNC transmission is a popular aftermarket transmission option for the 1/18 scale Traxxas TRX-4. Here are some pros and cons to consider before making a purchase:

1. Improved Durability: The CNC-machined gears provide increased strength and precision compared to the stock transmission. This can lead to longer transmissions life and better performance.

2. Smoother Shifting: The precision machining of the gears results in smoother and more consistent shifting. This can lead to better overall driving experience.

3. Upgradability: The Injora transmission is designed to be upgradable, allowing users to add aftermarket parts such as heavy-duty dog bones and larger bearings for even more durability and performance.

4. Cost-Effective: Compared to other aftermarket transmission options, the Injora 4M-99BK is relatively affordable.

1. Installation Complexity: Installing the Injora transmission can be a complex process, especially for those without experience in RC transmissions. It may require additional tools and time.

2. Potential Compatibility Issues: While the Injora transmission is designed to fit the TRX-4, there have been reports of compatibility issues with certain chassis modifications or aftermarket parts. It's important to double-check compatibility before making a purchase.

3. Potential Performance Tradeoffs: Depending on the specific use case, the Injora transmission may not offer significant performance improvements over the stock transmission. For example, those who primarily use their TRX-4 for casual driving or on-road use may not notice a significant difference.

The Injora 4M-99BK CNC transmission is a solid option for those looking to upgrade the durability and performance of their 1/18 scale Traxxas TRX-4. Its precision machining leads to smoother shifting and increased strength, making it a worthwhile investment for those who frequently use their crawler in challenging off-road environments. However, the installation process can be complex, and there may be compatibility issues to consider. Ultimately, the decision to purchase the Injora transmission depends on individual use case and preferences.

If you frequently use your TRX-4 in challenging off-road environments and are looking to improve its durability and performance, the Injora 4M-99BK CNC transmission is a solid investment. However, if you primarily use your crawler for casual driving or on-road use, you may not notice significant performance improvements and should consider other upgrade options. Additionally, it's important to thoroughly research compatibility before making a purchase.

Details:

Come with 24.4:1 metal gears under drive 32%, also compatible the transmission of TRX4M. Internal Gears: 24.4:1 gear set, under drive 32%. The black transmission housing adds color to your RC car. Not suitable for smaller motors such as 1721 and 180.

Includes ball bearings. Transmission Specifications: Housing Material: Aluminum. Gears Material: Stainless Steel. CNC aluminum machined transmission housing, taller to fit 370 motors.

Color: Black.

part #: 4m99bk prices

• $10.99-$39.73

specifications rcparta:

• brand: Injora
• mpn: 4m-99bk
• included components: Cnc Aluminium Komplettes Getriebe
• set name: Injora 370 Brushed Motor Aluminum Transmission Set
• age range description: Adult
• toy vehicle form: Truck
• manufacturer maximum age: 168.0
• style: Modern
• color: Black
• customer package type: Flat Free Package
• theme: Motorcycle
• operation mode: Manual
• power source type: Battery Powered
• target audience keyword: Unisex
• material: Aluminum
• unit count: 1.0
• package dimensions lxwxh: 5.12x3.82x0.98 Inches
• weight: 0.07 Pounds

general rcparta:

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

payments rcparta:

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

offer rcparta:

• availability: In Stock
• quantity: 5
• sold: 0
• started: March 14, 2026
• options: Ship-to-home

returns rcparta:

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

shipping rcparta:

• service: Standard
• cost: $0.00
• class: Standard
• transit: 4-10 Days
• type: Fixed

seller rcparta:

• # reviews: 450
• rating: 99.1%
• city: Glen Rock, New Jersey

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