707-99-56240 7079956240 SERVICE KIT, BLADE LIFT CYLINDER FITS FOR D375A-6
1. Quick Details of seal 707-99-56240 :
| Part NO. | 707-99-56240 |
| Machine | D155A-3 |
| Size | OEM |
| Material | PU,NBR,SPCC |
| Seal type | BLADE LIFT CYLINDER |
2. 707-99-56240 parts on group :
| NO. | PART NO. | PART NAME | QTY |
| 1 | 707-99-56240 | Service Kit, Blade Lift Cylinder | 1 |
| 2 | 07000-12055 | O-ring | 1 |
| 3 | 07000-12135 | O-ring | 1 |
| 4 | 07000-13030 | O-ring | 2 |
| 5 | 07000-13038 | O-ring | 2 |
| 6 | 07000-13045 | O-ring | 1 |
| 7 | 07000-13048 | O-ring | 1 |
| 8 | 07000-B2065 | O-ring | 1 |
| 9 | 07001-02065 | Ring, Back-up | 2 |
| 10 | 07146-02136 | Ring, Back-up | 1 |
| 11 | 707-39-14820 | Ring, Wear | 2 |
| 12 | 707-44-14150 | Ring, Piston | 1 |
| 13 | 707-51-90030 | Packing, Rod | 1 |
| 14 | 707-51-90650 | Ring, Buffer | 1 |
| 15 | 707-56-90740 | Seal, Dust | 1 |
3. 707-99-56240 picture:
4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 702-16-71150 | 150-32-11260 | 56B-50-13160 |
| 705-17-03810 | 236-22-23221 | 56B-50-13161 |
| 195-50-22551 | 201-06-71390 | 56B-50-33160 |
| 198-63-94170 | 21T-72-71240 | 707-51-16860 |
| 195-63-93170 | 705-17-03810 | 707-51-16030 |
| 07145-000856 | 707-51-19030 | 707-51-16130 |
| 150-61-2540 | 707-51-20250 | 707-51-17030 |
| 144-15-29110 | 707-51-20080 | 707-51-17130 |
| 07430-11161 | 417-22-12460 | 707-51-18030 |
| 198-54-73590 | 22B-54-16541 | 707-51-18130 |
5. FAQ
Q: I do not understand this part no. 707-99-56240,can you explain ?
A: Yes, it's my pleasure.Think of it like this:complete sealing kit for the blade lifting cylinder of a big Komatsu dozer.It includes components like:
Rod seals,buffer rings,wiper seals,piston seals,wearing seals,o-rings,back up rings,and so on.
Q: I want to change the seal by myself, can you tell me how to do ?
A: You can do it yourself—but I’ll be straight with you: rebuilding a hydraulic cylinder on a big Komatsu machine isn’t “light DIY.” It’s doable if you’re careful, but mistakes can damage the cylinder or cause leaks under high pressure.
Q: If the seal side install wrong ,what will happen?
A: If you install a hydraulic seal the wrong way, it won’t just “work a bit worse”—it usually fails very quickly. Here’s what actually happens:
- Immediate oil leakage:Hydraulic seals are designed so the lip faces the pressure side,so it must be right.
- No holding pressure:Blade or arm won’t hold position,It may slowly drop even without control input
So this is not a simple problem,We strongly recommend that the oil seal be replaced after inspection by an experienced mechanic.
6. Exhibition and Wearhous
Oil seals,Hydraulic Seals, Cylinders Seal Kits, And More
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