707-56-18520 7075618520 SEAL, DUST OF WA900-3LC WA800-2L
1. Quick Details of seal 707-56-18520:
| Part NO. | 707-56-18520 |
| Machine | Excavator |
| Size | OEM |
| Material | NBR |
| Oil seal type | WIPER SEAL |
2. 707-56-18520 parts on group :
| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 707-13-30013 | CYLINDER | 1 |
| 707-13-30080 | CYLINDER, (FOR HIGH LIFT) | 1 | |
| 2 | 707-76-18011 | BUSHING | 1 |
| 3 | 707-27-30030 | HEAD, CYLINDER | 1 |
| 4 | 707-52-91550 | BUSHING | 1 |
| 5 | 707-51-18640 | RING, BUFFER | 1 |
| 6 | 707-51-18130 | PACKING, ROD | 1 |
| 7 | 707-56-18520 | SEAL, DUST | 1 |
| 8 | 07179-15200 | RING, SNAP | 1 |
| 9 | 07000-15290 | O-RING | 1 |
| 10 | 707-35-93020 | RING, BACK-UP | 1 |
| 11 | 01011-83660 | BOLT | 16 |
| 12 | 01643-33690 | WASHER | 16 |
| 13 | 707-58-18023 | ROD, PISTON | 1 |
| 14 | 707-76-18011 | BUSHING | 1 |
| 15 | 07000-15150 | O-RING | 1 |
| 16 | 707-35-52991 | RING, BACK-UP | 2 |
| 17 | 707-36-30013 | PISTON | 1 |
| 18 | 707-44-30180 | RING, PISTON | 1 |
| 19 | 707-39-30820 | RING, WEAR | 4 |
| 20 | 707-40-30013 | SPACER | 2 |
| 21 | 01010-31670 | BOLT | 6 |
3. 707-56-18520 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 707-99-67760 | 707-98-39610 | 707-98-62120 |
| 707-51-10110 | 707-99-59320 | 707-99-64200 |
| 707-99-64040 | 707-99-59330 | 707-99-64230 |
| 707-98-26550 | 707-98-37690 | 707-51-70630 |
| 707-99-67010 | 707-99-73160 | 707-51-70650 |
| 707-99-67070 | 707-99-74010 | 707-99-77380 |
| 707-98-39700 | 707-98-67110 | 707-99-77600 |
5. FAQ
Q: What construction machine can use part number 707-56-18520?
A: This 707-56-18520 dust seal is specially designed for excavator hydraulic cylinder rods.
Q: What spare part category does 707-56-18520 fall into?
A: 707-56-18520 is classified as dust seal for excavator hydraulic cylinder gland assembly.
Q: What material is this dust seal made from?
A: It adopts wear-resistant NBR rubber combined with rigid metal casing for structural support.
Q: What core function does this dust seal perform during operation?
A: It scrapes mud and fine dust off the reciprocating piston rod to stop impurities entering cylinder.
Q: Where is this dust seal mounted on the excavator hydraulic cylinder?
A: It is installed in the outermost groove of cylinder head, facing the outside working environment.
Q: Does this dust seal work reliably under alternate dry and muddy working conditions?
A: Yes, the optimized lip structure can wipe away both dry dust and wet mud effectively.
Q: What advantage does the metal casing bring for this dust seal?
A: The metal casing ensures stable outer diameter and prevents shrinkage after long time use.
Q: What warning sign tells us this dust seal needs replacement?
A: If the rubber lip gets chipped or mud keeps accumulating at the rod entry point, replace it promptly.
6. Exhibition and Wearhous
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