Traxxas TRX-4M Two-Speed Transmission (9891)
The Traxxas TRX-4M Two-Speed Transmission adds a new level of versatility and performance to your TRX-4M crawler or trail truck. Featuring selectable high and low gear ranges, this complete transmission assembly includes a Titan 87T motor already installed for simple, drop-in installation. Shift into the low gear for precise crawling control, or switch to high gear for increased speed on open trail sections. This transmission allows your TRX-4M to adapt to changing terrain and driving styles with ease.
Includes:
- (1) Complete Two-Speed Transmission Assembly
- (1) Titan 87T Motor (pre-installed)
Features:
- Two selectable gear ratios for versatile trail performance
- Low gear (32.7:1) for controlled crawling and torque
- High gear (9.9:1) for improved trail and speed running
- Pre-assembled transmission for quick, hassle-free installation
- Includes Titan 87T motor for reliable, efficient power
- Compatible with standard TRX-4M gearing and optional 9776X speed gear set
- Not compatible with 9776R crawl gear set
Specifications:
- Part Number: 9891
- Gear Reductions: 32.7:1 (Low), 9.9:1 (High)
- Motor Included: Titan 87T
- Transmission Type: Two-Speed
Compatibility:
- TRX-4M Chevrolet K10 High Trail Edition (Model #97064-1)
- TRX-4M Ford Bronco (Model #97074-1)
- TRX-4M Ford F-150 High Trail Edition (Model #97044-1)
- TRX-4M Land Rover Defender (Model #97054-1)
- TRX-4MT Ford F-150 (Model #98044-1)
Upgrade your TRX-4M with true shifting capability to conquer technical crawling sections and fast-paced trails alike. With the TRX-4M Two-Speed Transmission, you get the perfect balance of torque and speed with the flip of a switch.




