---
product_id: 726223912
title: "RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S)"
brand: "rc hub"
price: "221.33 DT"
currency: TND
in_stock: true
url: https://www.desertcart.tn/products/726223912-rchubam-metal-transmission-case-gearbox-with-gear-40-3-1
store_origin: TN
region: Tunisia
---

# CNC machined aluminum case Perfect fit for 1/18 TRX4M Bronco Defender 40.3:1 precision gear ratio RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S)

**Brand:** rc hub
**Price:** 221.33 DT
**Availability:** ✅ In Stock

## Summary

> ⚙️ Gear up your RC game with precision and power!

## Quick Answers

- **What is this?** RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) by rc hub
- **How much does it cost?** 221.33 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/726223912-rchubam-metal-transmission-case-gearbox-with-gear-40-3-1)

## Best For

- rc hub enthusiasts

## Why This Product

- Trusted rc hub brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Seamless Compatibility:** Specifically designed to retrofit and upgrade your 1/18 TRX4M Bronco Defender, unlocking next-level drivetrain efficiency.
- • **Precision Power Control:** Experience ultra-smooth torque with the exact 40.3:1 gear reduction ratio, engineered for superior crawling performance.
- • **Plug & Play Installation:** Easy to install with your existing setup—no hassle, just instant performance gains.
- • **Performance Boost Upgrade:** Transform your RC crawler’s responsiveness and reliability with this premium transmission gearbox.
- • **Durable CNC Aluminum Build:** Rugged, lightweight aluminum casing ensures long-lasting protection and heat dissipation under intense RC adventures.

## Overview

The RCHUBAM Metal Transmission Case Gearbox features a high-precision 40.3:1 gear reduction ratio housed in a CNC machined aluminum case, designed specifically for the 1/18 TRX4M Bronco Defender RC Crawler Car. This upgrade enhances torque control, durability, and overall drivetrain performance, making it an essential retrofit for serious RC enthusiasts.

## Description

RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S)

## Features

- CNC machined aluminum protective cover.
- Retrofitting good parts of the remote control car will help improve its performance.
- Suits for:1/18 TRX4M Bronco Defender RC Crawler Car.
- Speed Reducer Model Reduction Ratio in the Gearbox 40.3:1Reduction Ratio.
- Package Includes:1 X 1/18 Transmission Gearbox.

## Images

![RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) - Image 1](https://m.media-amazon.com/images/I/51jCThfuVpL.jpg)
![RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) - Image 2](https://m.media-amazon.com/images/I/511yhMW3W0L.jpg)
![RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) - Image 3](https://m.media-amazon.com/images/I/514TSiYXbWL.jpg)
![RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) - Image 4](https://m.media-amazon.com/images/I/61Z+5aXukpL.jpg)
![RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S) - Image 5](https://m.media-amazon.com/images/I/51fufZIlwhL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- RCHUBAM Metal Transmission Case Gearbox with Gear 40.3:1 for 1/18 TRX4M Bronco Defender RC Crawler Car (S)
- INJORA 59MM Shocks Long Threaded Shock Absorber Oil Damper for TRX4M TRX4MT 1/18 RC Crawler Upgrade (Black)
- INJORA Steel Sealed Bearing Kit for TRX4M 1/18 RC Crawler Upgrade Parts, 22PCS

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**Shop now:** [https://www.desertcart.tn/products/726223912-rchubam-metal-transmission-case-gearbox-with-gear-40-3-1](https://www.desertcart.tn/products/726223912-rchubam-metal-transmission-case-gearbox-with-gear-40-3-1)

---

*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-01-23*