21909003511 is a core spare part code for the transmission shaft assembly used in wheel loaders manufactured by the Chinese construction machinery brand, SDLG (Lingong).
Part Name: Rear Main and Driven Spiral Bevel Gear / Ring and Pinion (commonly referred to in English as a "Crown Wheel" or "Spiral Bevel Gear").
Primary Function: Used within the rear axle drive reduction assembly of wheel loaders; responsible for changing the direction of power transmission while simultaneously reducing rotational speed and increasing torque. Physical Specifications:
Weight: Approx. 26 kg – 28 kg
Common Gear Ratio: 8/37 Common Alternative/Related Codes: 2050900110, 29090008501. Applicable Machinery Models: This construction machinery spare part is widely utilized in various heavy-duty wheel loaders produced by brands such as SDLG (Lingong) and RUNMA. Common compatible models include: SDLG Series: LG953N, LG955F, LG955N, LG956L, LG958L, and other 5-ton class wheel loaders.
Key | Part No. |
| Description | Qty |
31 | 4016000124 | 销GB119.2-10u8*30 | Pin | 2 |
32 | 4015000020 | 挡圈GB894.1-35-65Mn | Retaining ring | 1 |
33 | 4021000027 | 滚动轴承GB283-NUP2307 | Roller bearing | 1 |
34 | 4015000026 | 垫圈GB93-12-65Mn | Spring washer | 1 |
35 | 29070000461 | 固定销 | Pin | 4 |
36 | 4011000597 | 螺栓GB5786-M10*1*20EpZn-8.8 | Bolt | 2 |
37 | 29070009491 | 螺栓 | Bolt | 8 |
38 | 4013000198 | 螺母GB6176-M16*1.5-10 | Nut | 20 |
39 | 29070009511 | 垫圈 | Washer | 20 |
40 | 29070009501 | 螺栓 | Bolt | 12 |
41 | 4011000186 | 螺栓GB5782-M12*55EpZn-8.8 | Bolt | 1 |
42 | 29070013031 | 调整垫片 | Shim | 2 |
43 | 29070013041 | 调整垫片 | Shim | 2 |
44 | 4030000789 | 密封圈GB13871.1-FB08010012-F | Sealingring | 1 |
45 | 29070022481 | 调整垫片 | Shim | 1 |
46 | 29070026211 | 调整垫片 | Shim | 1 |
47 | 29070022501 | 调整垫片 | Shim | 1 |
48 | 29070026221 | 调整垫片 | Shim | 1 |
49 | 29070022521 | 调整垫片 | Shim | 1 |
50 | 29070022531 | 调整垫片 | Shim | 1 |
51 | 29070022541 | 调整垫片 | Shim | 1 |
52 | 29070026231 | 调整垫片 | Shim | 1 |
53 | 29070001131 | 输入法兰 | Connectionflange | 1 |
54 | 29070001291 | 输入法兰 | Connectionflange | 1 |
55 | 29070000641 | 油封压盖 | Cover | 1 |
56 | 21909003511 | 后主从动螺旋伞齿轮 | Crown wheel | 1 |
57 | 2050900079 | 差速器左右壳 | Differential housing | 1 |
58 | 29070019611 | 差速器总成 | Differential spider | 1 |
59 | 21909006471 | 锥齿半齿总成 | Gearkit | 1 |
60 | 29070026241 | 调整垫片 | Shim | 1 |