The Core Gear in Your Differential
This Left Axle Gear is a core component of your differential. It meshes with the planetary gears, transferring power from the differential to the left half-shaft. Yancheng Botu Transmission Machinery manufactures this gear from forged 20CrMnTi steel. We carburize and quench it, then grind it with precision. The spline and gear achieve high accuracy, ensuring smooth differential operation. This allows the left and right wheels to turn at different speeds as needed. A qualityLeft Axle Gear keeps your differential working reliably.
Hard Surface and a Precise Spline for Long Life
The carburized layer is 0.8–1.2mm deep with a surface hardness of HRC58–62, providing excellent wear resistance. The spline fits tightly with the half-shaft, delivering power transfer with no gap or play. The tooth shape is optimized for smooth engagement with planetary gears and can handle high torque when the differential is locked. ThisLeft Axle Gear is built to endure the toughest differential demands.
Smart Ordering for Differential Repairs
Orders forLeft Axle Gear start at 50 pieces. We support mixed orders, so left and right axle gears can be ordered together in one MOQ-ideal for differential repairs. Full CNC equipment ensures accuracy, including CNC gear hobbing machines, CNC spline mills, and CNC grinding machines. We offer a 1-year warranty and fast after-sales service, with free replacement or repair for any quality issues.
Specifications Table
| Item | Parameter |
| Module | 3–7 (customizable) |
| Tooth Count | Per customer drawing |
| Spline Spec | Per customer drawing |
| Material | 20CrMnTi |
| Heat Treatment | Carburizing and Quenching (HRC58–62) |


FAQ
The entire product series can be customized.
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