Guangzhou Opal Machinery Parts Operation Department vivianwenwen8@gmail.com 86-135-33728134
Product Details
Place of Origin: China
Brand Name: OUB
Certification: ISO9001
Model Number: 31Y1-28960
Payment & Shipping Terms
Minimum Order Quantity: 10
Price: Negotiable
Packaging Details: PP Bag Inside.outer is carton with film wrapped.
Delivery Time: Within 5-15 days after getting your desposit
Payment Terms: L/C,D/A,D/P,T/T,Western Union
Supply Ability: 1000Pcs
Part No.:: |
31Y1-28960 |
Part Name:: |
SERVICE KIT |
Machine: |
Excavator |
Material: |
PU |
Color: |
BLACK,WHITE,BROWN,BLUE |
Model: |
R210W-9, R210W9A, R210W9AMH |
Part No.:: |
31Y1-28960 |
Part Name:: |
SERVICE KIT |
Machine: |
Excavator |
Material: |
PU |
Color: |
BLACK,WHITE,BROWN,BLUE |
Model: |
R210W-9, R210W9A, R210W9AMH |
1. Quick Details of seal 31Y1-28960:
| Part NO. | 31Y1-28960 |
| Machine | Excavator |
| Size | OEM |
| Material | PU |
| Oil seal type | SEAL KIT |
2. 31Y1-28960 parts on group :
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| NO. | PART NO. | PRAT NAME | QTY |
| 1 | 31Q6-53110 | BOOM CYLINDER ASSEMBLY-LH | 1 |
| 2 | 31Q6-53410 | BOOM CYLINDER ASSEMBLY-LH | 1 |
| 3 | 31Q6-53120 | BOOM CYLINDER ASSEMBLY-RH | 1 |
| 4 | 31Q6-53420 | BOOM CYLINDER ASSEMBLY-RH | 1 |
| 5 | 31Y1-36320 | BOOM CYL SUB ASSEMBLY | 1 |
| 6 | 31Y1-39880 | BOOM CYL SUB ASSEMBLY | 1 |
| 7 | 31Y1-36190 | TUBE ASSEMBLY | 1 |
| 8 | 31Y1-39790 | TUBE ASSEMBLY | 1 |
| 9 | 31Y1-28870 | ROD ASSEMBLY | 1 |
| 10 | 31Y1-39830 | ROD ASSEMBLY | 1 |
| 11 | 31Y1-36230 | GLAND | 1 |
| 12 | S732-085030 | BUSHING-DD2 | 1 |
| 13 | Y191-092000 | RING-SNAP | 1 |
| 14 | Y220-085013 | SEAL-ROD | 1 |
| 15 | Y180-085020 | RING-BACK UP | 1 |
| 16 | Y240-085012 | RING-BUFFER | 1 |
| 17 | Y110-085011 | WIPER-DUST | 1 |
| 18 | Y190-099000 | RING-SNAP | 1 |
| 19 | S632-115004 | O-RING | 1 |
| 20 | S642-115003 | RING-BACK UP | 1 |
| 21 | 31YC-26060 | RING-CUSHION | 1 |
| 22 | 31Y1-28940 | PISTON | 1 |
| 23 | Y420-120000 | SEAL-PISTON | 1 |
| 24 | Y420-120002 | SEAL-PISTON | 1 |
| 25 | Y310-120203 | RING-WEAR | 2 |
| 26 | Y440-120002 | RING-DUST | 2 |
| 27 | Y440-120000 | RING-DUST | 2 |
| 28 | 5632-060004 | O-RING | 1 |
| 29 | 5642-060003 | RING-BACK UP | 2 |
| 30 | 31YC-68030 | NUT-LOCK | 1 |
| 31 | S114-080144 | SCREW-SET | 1 |
| 32 | S632-120004 | O-RING | 1 |
| 33 | S109-160754 | BOLT-SOCKET | 12 |
| 34 | 61Q6-97210 | BUSHING-PIN | 1 |
| 35 | 61Q6-97211 | BUSHING-PIN | 1 |
| 36 | 61QH-73010 | BUSHING-PIN | 1 |
| 37 | 61Q6-97220 | BUSHING-PIN | 1 |
| 38 | 61Q6-97221 | BUSHING-PIN | 1 |
| 39 | 61QH-73020 | BUSHING-PIN | 1 |
| 40 | Y020-080000 | SEAL-DUST,DLI,KPU | 4 |
| 41 | 31Y1-36240 | BAND ASSEMBLY | 1 |
| 42 | 31Y1-29240 | BAND SUB ASSEMBLY | 1 |
| 43 | 31YC-31480 | BAND | 1 |
| 44 | S070-052738 | U-BOLT | 2 |
| 45 | S011-100352 | BOLT-HEX | 2 |
| 46 | S205-101002 | NUT-HEX | 4 |
| 47 | S411-100002 | WASHER-SPRING | 6 |
| 48 | 31Y1-36260 | PIPE ASSEMBLY-R,LH | 1 |
| 49 | 31Y1-43280 | PIPE ASSEMBLY-R,LH | 1 |
| 50 | 31Y1-36270 | PIPE ASSEMBLY-R,RH | 1 |
| 51 | 31Y1-43290 | PIPE ASSEMBLY-R,RH | 1 |
| 52 | 31Y1-36280 | PIPE ASSEMBLY-B,LH | 1 |
| 53 | 31Y1-36290 | PIPE ASSEMBLY-B,RH | 1 |
| 54 | Y171-019004 | O-RING | 2 |
| 55 | S107-100454 | BOLT-SOCKET | 8 |
| 56 | 31Y1-28960 | SEAL KIT | 1 |
3. 31Y1-28960 picture:
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4. Service part number :
| PART NO. | PART NO. | Part NO. |
| 31Y1-26410 | 31Y1-28790 | 31Y1-30290 |
| 31Y1-26760 | 31Y1-28960 | 31Y1-30470 |
| 31Y1-27220 | 31Y1-29100 | 31Y1-30820 |
| 31Y1-28140 | 31Y1-29101 | 31Y1-31150 |
| 31Y1-28330 | 31Y1-29450 | 31Y1-31640 |
| 31Y1-28570 | 31Y1-29680 | 31Y1-32140 |
5. FAQ
Q: What kind of hydraulic pressure can these sealing components withstand steadily?
A: It can adapt to frequent pressure changes under normal construction working conditions.
Q: What maximum working pressure can this whole seal kit endure?
A: It can sustain high‑pressure hydraulic system commonly seen on medium‑size excavators under regular construction working conditions.
Q: Does this repair kit contain dust wiper rings for the cylinder rod?
A: Yes, dust wiper, piston seals, rod seals, wear bands and full sets of O‑rings and back‑up rings are all included inside one kit.
Q: What practical symptoms indicate that I need to replace this set of cylinder seals?
A: Slow boom lifting speed, boom dropping down spontaneously, external oil seepage around gland position and unstable hydraulic pressure output.
Q: Is there any special suggestion for storage before installation?
A: Keep in cool dry place, avoid squeezing, sharp piercing and long‑time direct sunlight exposure.
Q: Can this product prevent hydraulic oil leakage effectively?
A: The precise size design effectively reduces internal leakage and external oil seepage.
Q: What construction scenarios often require this arm cylinder seal kit for regular maintenance?
A: It is widely used for maintaining mini excavators working on villa foundation projects, landscape engineering, pipeline trenching and rural road reconstruction.
6. Exhibition and Wearhous
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