Highlight:
Backhoe Loader Hydraulic Cylinder Dust Wiper Seal
, OEM Construction Machinery Dust Protection Seal
, 740B Backhoe Loader Replacement Dust Wiper
1. Quick Details of seal 335-8966 :
| Part NO. |
335-8966 |
| Machine |
wheel tractor |
| Size |
OEM |
| Material |
Light PTFE film liner |
| Oil seal type |
WIPER SEAL |
2. 335-8966 parts on group :
| NO. |
PART NO. |
PRAT NAME |
QTY |
| 1 |
242-4313 |
SEAL |
1 |
| 2 |
341-3191 |
SEAL |
1 |
| 3 |
095-1633 |
SEAL |
1 |
| 4 |
198-2643 |
SEAL |
1 |
| 5 |
335-8964 |
SEAL |
1 |
| 6 |
8F-8733 |
SEAL |
1 |
| 7 |
9X-3579 |
SEAL |
1 |
| 8 |
9X-3601 |
SEAL |
1 |
| 9 |
116-3589 |
SEAL |
1 |
| 10 |
335-8966 |
SEAL |
1 |
3. 335-8966 picture:
4. Service part number :
| PART NO. |
PART NO. |
Part NO. |
| 1293719 |
095-1710 |
9X4611 |
| 1964813 |
8T-9597 |
2256948 |
| 1714358 |
236-6919 |
1J2150 |
| 2263571 |
249-6670 |
1142687 |
| 5W4819 |
3K-0360 |
9X4611 |
| 2353546 |
095-1716 |
2256948 |
| 2K2961 |
3K-0360 |
1J2150 |
| 1411774 |
6V-9746 |
1142687 |
| 2R0098 |
3J-1907 |
1173036 |
| 6V5059 |
6V-8397 |
6V6580 |
| 1411774 |
6V-1196 |
095-1603 |
| 2R0098 |
2536010 |
8L5189 |
5. FAQ
Q: What plant fiber filler is blended into the NBR rubber of the main dust scraping lip?
A: Ultra-fine crushed bamboo fiber powder is evenly mixed into NBR base rubber. It enhances the toughness of the scraping edge, effectively scrapes off thick mud and sand attached to the piston rod surface, and prevents rubber hardening and cracking after long-term outdoor exposure.
Q: What clear color and surface texture differences can buyers distinguish among three types of dustproof components inside this kit?
A: Bamboo fiber NBR wiper lips are matte dark black with soft elastic grain surface. Hard PU outer fixing shells are dark grey with rigid compact texture, while thin PTFE liners are transparent off-white smooth film, easy to separate during cylinder maintenance.
Q: What double-layer dust blocking composite structure does this dust wiper seal set adopt for backhoe loader hydraulic cylinders?
A: It is a complete integrated matching assembly instead of single independent wiper rings, combining external hard fixed shell, elastic mud scraping lip and internal anti-oil-mist liner, forming dual barrier to stop external dirt from entering cylinder interiors.
Q: What stable working temperature range can this full dust wiper assembly maintain flexible scraping performance?
A: Its applicable temperature range covers -165°C to 382°C, suitable for cold winter farm excavation and continuous high-frequency cylinder telescoping work under dusty open-air municipal construction sites.
Q: Can this dust wiper seal assembly be universally installed on hydraulic cylinders of all construction machinery models?
A: It is customized exclusively for backhoe loader multi-series hydraulic cylinder piston rod mounting grooves only, and cannot fit large excavator arm cylinders, road grader lift cylinders or heavy wheel loader tilt cylinders of other equipment series.
Q: What maximum reciprocating linear speed of piston rod can this dust wiper withstand without lip curling or abrasion damage?
A: The bamboo fiber reinforced elastic lip can adapt to rod movement speed up to 1.2m/s, continuously strip off sticky mud and sand, and avoid early failure caused by high-speed friction.
Q: What core engineering and farmland scenarios require this dust wiper kit for regular hydraulic cylinder maintenance?
A: It is designed for routine overhaul of external dustproof parts on all hydraulic cylinders of backhoe loaders, widely used in rural farm trenching, municipal pipeline digging, small residential foundation backfilling and country road renovation projects.
Q: How does the service life of bamboo fiber modified NBR dust wipers compare with ordinary pure NBR dust seals?
A: The bamboo fiber doping formula greatly improves low-temperature flexibility and anti-abrasion performance. Under daily mixed mud and sand working conditions, its service cycle reaches 2.68 times that of standard unmodified dust wiper seals.
Q: How well can this dual-barrier dust wiper assembly resist heavy mud, fine construction dust and suspended external floating grit in long-time outdoor working environments?
A: The outer elastic lip scrapes large mud clumps off the rod surface, and the inner PTFE liner blocks tiny dust particles and backflow oil mist from sneaking into cylinder sealing gaps, forming double dust protection.
Q: What practical time-saving advantages can field backhoe loader maintenance technicians gain from using this fully pre-matched dust wiper kit?
A: All standard wiper sizes for the whole machine’s hydraulic cylinders are pre-matched in one set without separate ordering. Staff no longer need to measure outer groove dimensions repeatedly on site, greatly accelerating cylinder disassembly and replacement work.
6. Exhibition and Wearhous
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