Most of Ocean Differential Gear are exported to Europe since 2005. Most of Ocean OEM customers send drawings and Ocean produce as per their drawings, if you do not have drawing, Ocean can also produce as per your sample.
Design and working of differential gear：
When moving in a straight path, the planetary gears move with the axes of the wheel shaft as if they were one piece.
When moving in a circular path, the planetary gears roll over the inner shaft gear of the slow-moving internal wheel, causing the outer to spin more rapidly and when the inner wheel stops completely as in the lateral braking of the tractors, the external wheel will rotate twice as fast.
Differential gears
The differential gears consist of the steering #gear (crown), which holds the small ( planetary ) gears that rotates with it, and aligns with the wheel shaft.
| Model | No. of Teeth | outer diameter of teeth | outer diameter of handle | long spline | cross bar distance | Cross bar spacing | Installation distance | internal diameter | SR | Spherical range |
| 18*10Half | 18 | 97 | 54（ -0.05/-0.1） | 25 | 19 | M4=34.7 | 35.5 | |||
| 18*10Xing | 10 | 61.5 | 22（+0.07/+0.04） | 57 | 44 | |||||
| 212Half | 16 | 81 | 42（ -0.05/-0.085） | 19 | 10 | Key width5（+0.15/+0.05） | 31.3 | |||
| 212Xing | 10 | 56 | 20（+0.105/+0.06） | 47.8 | 43.5 | |||||
| 465Half | 16 | 68 | 35（ -0.025/-0.05） | 29 | ||||||
| 465Xing | 10 | 46 | 15（+0.05/+0.02） | 41 | 30 | |||||
| Hongguang Half | 14 | 67 | 40（ -0.025/-0.05） | 15.1 | 28 | M2.0=26.12(+0.1/0) | 30.5 | |||
| Hongguang Xing | 10 | 53 | 17（+0.05/+0.02） | 41.6 | 39.2 | |||||
| 170（26key50*34） | 24 | 129.6 | 50（ -0.05/-0.089） | 34 | 26 | M3=34.207 (+0.074/-0.074） | 44.5 | |||
| 170Xing | 12 | 73.5 | 28（+0.1/+0.05） | 73.5 | 50 | |||||
| Forklift 25 key | 16 | 104.95 | 55.55（0/-0.03） | 22.2 | 25 | M3.333=38.363 (+0.25/+0.16) | 47.63 |
| C504E0030141 | ||||||||
| Total length | No. of Teeth | outer diameter of teeth | Shaft diameter | spline | cross bar distance | screw thread | Installation distance | |
| 168 | 10 | 47 | 30 （+0.023/+0.002 ) | 15 | M3.35=27.989-27.90 | M27*1.5-6g | 65 | |
| C504E0030142 | ||||||||
| No. of Teeth | outer diameter of teet | Outer diameter | handle length | spline | cross bar distance | Installation distance | ||
| 30 | 119 | 5（+0.021/+0.002） | 17 | 24 | M3.75=42.248-24.1 | 35.5 | ||
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