423-2091 SEAL GP-DUO is a Caterpillar Duo Cone Seal Group designed for CAT 785G, 793D, and 793F off-highway trucks. Its metal-to-metal sealing structure provides reliable oil retention and contamination protection in final drive applications. Designed for heavy mining and earthmoving conditions, this seal helps protect internal drivetrain components from wear caused by dust, dirt, and lubricant loss.
High-strength metal sealing rings with elastomeric toric rings, designed for oil retention, contamination protection, and long service life in final drive applications.
Condition
Brand New – Genuine
Warranty
6 Months
Packaging
Standard Export Carton
Availability
Generally in stock
Origin
China
Features & Benefits
Designed for CAT 785G, 793D, and 793F off-highway trucks
Heavy-duty Duo Cone sealing technology
Metal-to-metal face sealing design
Helps prevent oil leakage and contamination entry
Maintains sealing performance during component rotation
Suitable for final drive and wheel group applications
Provides reliable protection in harsh mining environments
Helps extend service life of internal drivetrain components
Reduces maintenance frequency and equipment downtime
The 423-2091 Duo Cone Seal Group is an essential sealing solution for maintaining the reliability and durability of Caterpillar mining truck final drive systems.
Compatible Machine
The 423-2091 SEAL GP-DUO is compatible with:
CAT 785G Off-Highway Truck
CAT 793D Off-Highway Truck
CAT 793F Off-Highway Truck
CAT 785 Series Trucks
CAT 789 Series Trucks
CAT 793 Series Trucks
Caterpillar lists 423-2091 for multiple off-highway truck applications, including 785G, 793D, 793F, 789D, 793F OEM, and 793F XQ configurations. Compatibility should always be confirmed according to machine serial number and equipment arrangement.
Applications
The 423-2091 Duo Cone Seal Group is suitable for heavy equipment operating in demanding environments, including:
Mining
Quarry
Construction
Heavy Earthmoving
Large Infrastructure Projects
This seal group is widely used in large mining trucks where final drive components operate under extreme loads, high vibration, dust, mud, and long working cycles. It provides reliable protection for rotating drivetrain components and helps maintain proper lubrication conditions.
Why Choose YLCM?
YLCM specializes in supplying construction and mining machinery spare parts to customers worldwide.
We provide:
20+ Years Experience
Large Warehouse
Fast Delivery
Genuine & OEM Parts
Export to 60+ Countries
Professional Technical Support
YLCM PARTS supplies Caterpillar, Komatsu, Hitachi, and other major machinery brand parts, including:
Final drive components
Hydraulic parts
Engine parts
Transmission components
Undercarriage parts
Sealing systems
Our experienced team provides professional support for part identification, compatibility checking, quotation, and international logistics.
Packaging
Every 423-2091 Duo Cone Seal Group is professionally packed to ensure safe international transportation.
Packaging options include:
Standard export carton
Export-standard wooden crate
Shock-proof protection
Anti-rust protection
Moisture-proof protection
Secure internal fixing
Each sealing component is carefully protected before shipment to prevent damage, contamination, and deformation during transportation.
Shipping
YLCM provides flexible international logistics solutions according to customer requirements.
Available shipping methods:
Sea Freight
Railway Transportation
Land Transportation
Multimodal Logistics Solutions
The most suitable transportation method will be selected based on destination, order quantity, delivery schedule, and cargo requirements.
Request a Quote
Looking for the 423-2091 SEAL GP-DUO for CAT 785G/793D/793F?
Contact YLCM today to receive:
Latest quotation
Product availability confirmation
Delivery lead time
Packaging details
Shipping solution
Technical support
Provide your machine model, serial number, and required quantity, and our team will help verify the correct Caterpillar sealing component for your equipment.
Frequently Asked Questions
Q: What is the function of 423-2091 Duo Cone Seal? A: The 423-2091 Duo Cone Seal prevents oil leakage and protects final drive components from dust, dirt, and other external contamination.
Q: Which CAT machines use 423-2091? A: It is used on CAT 785G, 793D, 793F, and other selected 785/789/793 series off-highway trucks.
Q: What type of seal is 423-2091? A: It is a Duo Cone Seal Group, also known as a metal-to-metal face seal designed for rotating applications.
Q: Where is the 423-2091 seal installed? A: It is mainly used in final drive and wheel-related applications where oil sealing and contamination protection are required.
Q: How can I confirm if this seal fits my machine? A: Provide your machine model, serial number (PIN), or original part number. Our technical team will verify compatibility before shipment.
Q: Is this a genuine CAT part? A: YLCM supplies genuine parts, OEM parts, and high-quality aftermarket replacement options according to customer requirements.
Q: What warranty does YLCM provide? A: This product comes with a standard 6-month warranty against manufacturing defects.
Q: Can YLCM supply other CAT final drive seals? A: Yes. We supply Duo Cone Seals, O-rings, bearings, gears, hubs, and other final drive components for Caterpillar mining trucks.