JWL 40T Rear Differential with 14T Input Spiral Gear for LOSI BAJA REY Series
SKU JCSR4014TR
Review fitment and specifications below, then purchase this JWL upgrade through Amazon.
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Specifications and fitment
Product details
Material Specifications
- Main gear: 40T with 14T input pinion (spiral cut), chromium steel, precision CNC machined
- Differential housing: 7075-T6 aerospace grade aluminum alloy
- Internal gears: Powder metallurgy (MIM) steel
- Fasteners: High-strength alloy steel screws
- Note: Outdrive cups not included (reuse stock or sold separately)
Core Advantages
- Spiral gear set: Quieter operation and stronger tooth engagement for rear differential
- Built for BAJA REY¡¯s demanding off-road use: Chromium steel and MIM internals resist sand, dirt, and impacts
- Precision fit: Direct replacement for stock rear differential, includes input pinion
- Easy maintenance: Split housing design for quick oil changes and inspections
- Enhanced reliability: Upgraded materials eliminate common plastic diff failures
Usage Notes
- Break-in: Run at low to medium speed for 2-3 minutes before full throttle
- Use 5K-20K cSt differential oil for rear diff; replace every 10-15 runs
- Inspect gear mesh after heavy jumps or high-speed runs
- Apply thread locker to input gear screw
- Note: Outdrive cups not included ¨C reuse your existing cups or purchase separately
Compatible Vehicle Models
Fits LOSI BAJA REY series (rear differential position)
- Losi Baja Rey 1/10 (rear)
- Losi Baja Rey 2.0 (rear)
- Losi Super Baja Rey 1/6 (rear)
Fitment and product support
Confirm the fit before you hit it.
Compatibility is part of the product. Review the platform collection or contact JWL before ordering if your setup is unclear.