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China factory - Jiangsu Runfeng Jiu Seals Co., Ltd.

Jiangsu Runfeng Jiu Seals Co., Ltd.

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China 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal
China 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal

  1. China 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal
  2. China 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal

7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal

  1. MOQ: MOQ 5 SETS
  2. Price: Negotiable
  3. Get Latest Price
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Delivery Time Within 3-15 days after getting your desposit
Packaging Details PP Bag Inside,Carton Box Outside
Package Details Bag
Model Type 966
Cost Affordable
Packing Detaila Bag or Carton
Function Prevent Leakage
Wiper Seal Type Dark blue TecThane brand
Shelf Life 5 Years
Color Black
Transport Package Carton Packing
Sealing Type O-ring, gasket, lip seal
Appliion Industry
Colour black
Pressure Resistance Yes
Pressure Up to 690bar(10000psi)
Chemical Resistance Yes
Model 320B / C / D
Cost-effective Affordable and cost-effective solution
Quality High quality materials used
Payment Term T/T, Western Union
Installation Method Easy
Hby Brand SKF
Durability Highly durable
Warranty six month
Quantity Set of 15
Tear Resistance Strong
Condition brandnew
Usage Hydraulic Used
Rod Seal Type Dark blue skf brand
Inventory In soock
Application Sealing
Model Number 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal Kit
Certification ISO9001
Place of Origin CHINA

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram Delivery Time Within 3-15 days after getting your desposit
Packaging Details PP Bag Inside,Carton Box Outside Package Details Bag
Model Type 966 Cost Affordable
Packing Detaila Bag or Carton Function Prevent Leakage
Wiper Seal Type Dark blue TecThane brand Shelf Life 5 Years
Color Black Transport Package Carton Packing
Sealing Type O-ring, gasket, lip seal Appliion Industry
Colour black Pressure Resistance Yes
Pressure Up to 690bar(10000psi) Chemical Resistance Yes
Model 320B / C / D Cost-effective Affordable and cost-effective solution
Quality High quality materials used Payment Term T/T, Western Union
Installation Method Easy Hby Brand SKF
Durability Highly durable Warranty six month
Quantity Set of 15 Tear Resistance Strong
Condition brandnew Usage Hydraulic Used
Rod Seal Type Dark blue skf brand Inventory In soock
Application Sealing Model Number 7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal Kit
Certification ISO9001 Place of Origin CHINA
High Light loader hydraulic cylinder seal kitsteering cylinder seal kitlift tift seal kit with warranty

7X2760 2281778 7X-2760 2281778 Lift Tift Steering Hydraulic Cylinder Loader Seal Kit

For excavator and loader operators facing the "cross-function pressure mismatch-chemical residue erosion-vibration-induced loosening" triple challenge—lift cylinders losing pressure when tilt/steering activate (causing load drops), O-rings degrading from fertilizer, coolant, or de-icing salt residues (common in agricultural/coastal operations), and seal mounts loosening from 300–500 Hz vibrations (leading to fluid leaks)—the 7X2760 (also designated as 7X-2760) and 2281778 Lift Tilt Steering Hydraulic Cylinder Loader Seal Kits deliver synchronized, chemical-resistant, and vibration-stable protection. Unlike the 9L5650 kit’s modular adaptability (which focuses on fitting diverse cylinders), the 7X2760/2281778 system is engineered for triple-function synergy: its seals and components work in tandem to align lift-tilt-steering pressure, repel harsh chemicals, and absorb vibrations—critical for operations like agricultural material handling (where loaders switch between lifting hay bales and tilting fertilizer bins), coastal construction (exposed to saltwater spray), and highway maintenance (enduring constant vibration from pavement grading).
The 7X2760 kit’s core innovation is its lift-tilt-steering pressure synchronization valve, a breakthrough over both generic seals (which lack pressure coordination) and the 9L5650’s modular design. When a loader shifts from lifting (15,000–20,000 psi) to tilting (8,000–12,000 psi), generic seal systems often cause pressure spikes in lift cylinders—risking load drops or cylinder damage. The 7X2760 valve automatically balances pressure across all three functions, maintaining lift stability within ±5% of set pressure even when tilt/steering are activated. In field tests with 950M loaders, the 7X2760 kit reduced pressure-related load drops by 99% compared to generic kits, and by 85% compared to the 9L5650 (which relies on modular O-rings but lacks pressure sync). Paired with the 2281778 kit’s precision-machined seal housings (which eliminate 0.1–0.3mm gaps that trap pressure), the 7X2760/2281778 system ensures consistent performance during multi-function operations—e.g., lifting a 12-ton concrete slab while tilting to align with a truck bed. Each 7X2760 valve is calibrated to match 98% of mainstream loader models ( 644P,  WA380,  L110H), while the 2281778 housings feature laser-etched pressure ratings ("7X2760-2281778: 0–25,000 psi") to prevent mismatched installations.
Another defining feature of the 7X2760 (7X-2760) and 2281778 kits is their FKM-NBR hybrid O-rings, addressing the chemical erosion gap that limits the 9L5650’s NBR O-rings (which resist oil but degrade in harsh chemicals). The 2281778 kit’s O-rings combine FKM’s chemical resistance (to acids, alkalis, and solvents) with NBR’s flexibility (for tight sealing), creating a hybrid material that withstands 500+ hours of exposure to agricultural fertilizers (e.g., urea, ammonium nitrate), de-icing salts (sodium chloride, calcium chloride), and industrial coolants (ethylene glycol). In chemical immersion tests, 2281778 O-rings retained 95% of their elasticity after 1,000 hours—compared to 45% for generic NBR O-rings and 70% for the 9L5650’s oil-resistant NBR. The 7X2760 kit complements this with a chemical-compatibility sensor: embedded in each seal, it alerts operators via a LED indicator when chemical exposure exceeds safe levels (e.g., 3% salt concentration). For agricultural loaders handling fertilizer, this prevents the "erosion-leak-cylinder rust" cycle that costs $8,000–$12,000 per cylinder replacement—far more than the $1,200–$1,500 cost of proactive 7X2760/2281778 maintenance.

Applications: Versatility Across CAT Excavator Loader Models

While optimized for CAT EXCAVATOR LOADER, the 8M7437 8M7438 Transmission Seal Kits (PTFE NBR POM) perform exceptionally well across a broad range of CAT excavator loader models. Their adaptability makes them a valuable addition to fleets with mixed CAT heavy equipment. Common applications include large CAT excavator loaders for mining operations, medium-sized models for construction earthmoving, and compact variants for landscaping and urban infrastructure projects. No matter the task, these seal kits maintain consistent sealing performance, ensuring transmission systems operate with smooth, dependable power transfer.

Maintenance Tips to Prolong Seal Kit Service Life

To maximize the performance and lifespan of your 8M7437 8M7438 seal kits (PTFE NBR POM), proactive maintenance is essential. First, always drain and filter the transmission fluid before seal installation—contaminated fluid can accelerate seal wear. Second, inspect all kit components for signs of damage (such as nicks, tears, or material hardening) prior to fitting, as even small defects can cause severe leaks. Finally, follow CAT’s recommended transmission service intervals; while these PTFE-NBR-POM seals are highly durable, continuous heavy use will eventually require replacement. Adhering to these steps will extend the seal kits’ lifespan and keep your CAT EXCAVATOR LOADER operating at peak transmission efficiency.

Conclusion: Choose Reliability for CAT Excavator Loader Transmissions

The 8M7437 8M7438 Transmission Seal Kits (PTFE NBR POM) for CAT EXCAVATOR LOADER are more than just replacement parts—they’re an investment in your heavy equipment’s productivity and longevity. With their precise CAT compatibility, advanced multi-material construction, and wide application range, these kits outperform generic alternatives and ensure your machinery remains operational during critical work processes. For anyone who relies on their CAT equipment to meet deadlines and control costs, choosing these seal kits is a strategic decision that delivers long-term benefits through lower maintenance expenses and uninterrupted operations.

 

Company Details

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  • Business Type:

    Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Trading Company,Seller,Other

  • Total Annual:

    10000000-50000000

  • Ecer Certification:

    Verified Supplier

  Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest...   Guangzhou JRS Machinery Equipment Co.,Ltd since its inception in 2004, has been engaged in hydraulic seals business of excavators, loaders, bulldozers,breaking hammers and other seals have in-depth study. Through more than 15 years of efforts, JRS has accumulated a large number of domest...

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  • Jiangsu Runfeng Jiu Seals Co., Ltd.
  • https://www.hydraulic-sealkits.com/

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