TRAXXAS 9891 Two Speed Transmission Installation Guide
- September 17, 2024
- Traxxas
Table of Contents
9891 Two Speed Transmission
Product Information
Specifications:
-
Compatible with Low gear ratio: 32.7:1, High gear ratio:
19.1:1 -
Stock gear adapter: 9776X
-
Center driveshaft assembly: 2x6mm CS
-
Transmission mount: 2x6mm BCS
Product Usage Instructions:
Installation Steps:
-
Remove the battery tray by unscrewing the 2x6mm CS screws
(2). -
Take out the existing single-speed transmission by removing the
2x6mm BCS screws (4). -
Remove and retain the center driveshaft assemblies.
-
Attach the center driveshaft assemblies to the two-speed
transmission. -
Mount the transmission mount on the chassis using the provided
2x6mm BCS screws (2). -
Position the two-speed transmission on the mount and ensure
motor wires are routed between the transmission and mount. -
Secure the transmission to the mount using the 2x6mm BCS screws
(4) from step 2. -
Reinstall the battery tray.
FAQ:
Q: What are the compatible gear ratios for this product?
A: This product is compatible with a low gear ratio of 32.7:1
and a high gear ratio of 19.1:1.
Q: How can I reach Traxxas for technical assistance?
A: For technical assistance, you can call Traxxas at
1-888-872-9927 (U.S. residents only) or
visit their website at
TRAXXAS.com.
Q: What is the stock gear adapter for this product?
A: The stock gear adapter for this product is 9776X.
Two-Speed Transmission Installation Instructions
Covers Parts #9891
Kit contents: · Two speed transmission · Transmission mount · 2x6mm button- head cap screws (BCS) (2) · 22T gear adapter (for use with optional
9776X gearing) Retain and reuse all hardware.
Tools required: · 1.5mm hex wrench
1. Remove the battery tray by removing the 2x6mm CS (2).
2. Remove the existing single speed transmission from the chassis by removing
the 2x6mm BCS (4).
3. Remove and reuse the center driveshaft assemblies.
2x6mm CS Battery Tray
4. Install the center driveshaft assemblies on the two speed transmission. 5.
Install the transmission mount on the chassis using the included
2x6mm BCS (2). 6. Place the two speed transmission on the transmission mount.
Route the motor wires between the transmission and the mount. 7. Secure the
transmission to the mount with the 2x6mm BCS (4)
from step 2. 8. Reinstall the battery tray.
2x6mm BCS
2x6mm CS
2x6mm BCS
Battery Tray
Center driveshaft assembly
Tranmission mount
If you have questions or need technical assistance, call Traxxas at
18T Adapter 22T Adapter
(1-888-872-9927) (U.S. residents only)
Compatible with: Low gear ratio: High gear ratio:
*Actual size **Stock gear adapter
9775
9776**
9776X
32.7:1
19.1:1
9889
9.9:1
5.8:1
9889
9889 3x6x2.5 SLB
3x6x2.5 SLB 9745R opt.
9745R opt. 9889 9876
9776 9776X opt.
9889 9776 9776X opt.
9889 9876
9889
9889
3x6x2.5 SLB 9889 9745R opt.
9876
9889 3x6x2.5 SLB
3x6x2.5 SLB 9745R opt.
2x4mm BCS 9775 9889
9876 9889
9745R opt. 9889
9889
9890
3x6x2.5 SLB 9889 9745R opt.
9889
3x6x2.5 BB
9890
3x6x2.5 BB
9889 3x6x2.5 SLB
9745R opt. 9776
9745R opt.
22T adapter for use with 9776X optional gearing
9776X opt.
9889 2x8mm BCS
9889 2x8mm BCS
9889 2x8mm BCS
9889 3x6x2.5 SLB 9745R opt.
9890 2x6mm BCS
TRAXXAS.com
Traxxas, 6250 Traxxas Way, McKinney, TX 75070, Phone:
972-549-3000, Fax:
972-549-3011, e-mail:
support@Traxxas.com
KC3122-R01 Rev 240702
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