CAT 426-4051 Replacement Female Hydraulic Flat Face Quick Coupler

CAT 426-4051 Replacement Female Hydraulic Flat Face Quick Coupler

SKU: 426-4051

The CAT 426-4051 Replacement Female Hydraulic Flat Face Quick Coupler is engineered to provide leak-free hydraulic connections for Caterpillar equipment. Built to ISO 16028 standards, this coupler ensures high performance, durability, and easy operation, making it ideal for construction, demolition, and industrial applications.

Key Features:

• Flush Face Valve Design – Prevents contamination and minimizes fluid loss
• Minimal Pressure Drop – Enhances hydraulic efficiency
• Single-Handed Push-Connect – Allows for quick and easy operation
• Hardened Steel Construction – Ensures long-lasting durability
• Corrosion-Resistant Zinc Nickel Plating – Protects against rust and wear
• Blow-Out Resistant Nipple Seal – Provides secure, leak-free connections
• High-Temperature Seals – Rated up to 250°F (121°C)
• 5,076 PSI Pressure Rating – Designed for high-pressure hydraulic systems
• 23.78 GPM Max Flow Rate – Supports efficient fluid transfer
• ISO 16028 Interchangeable – Compatible with other standard flat face couplers

Compatible with Caterpillar Equipment Models:

This coupler is designed for Caterpillar hydraulic systems, including:

• Hammer-WT Models – H45ES, H65ES, H65DS, H55DS, H35DS, H45DS, H55ES
• Skid Steer Loaders – 216B3, 226B, 272DXHP, 232D, 216B3LRC, 226B3LRC, 226B2, 272D2XHP, 226B3, 232DLRC, 216B2
• Multi Terrain Loaders – 247B2, 297D2XHP, 247B3, 299D2XHP, 299DXHP, 247B3LRC, 297DXHP, 249D, 249DLRC

Interchangeability:

• ISO 16028 Standard Flat Face Couplings
• Compatible with other major brands using the same standard

What’s Included?

• 1 x Female Flat Face Quick Coupler

Applications:

• Hydraulic Equipment Connections
• Skid Steer, Excavator, and Loader Attachments
• Hydraulic Hammers, Augers, Grapples, Breakers, and More

Why Choose This Replacement Coupler?

• OEM-Quality Performance – Direct replacement for CAT 426-4051
• Reliable & Secure Connection – Prevents leaks and contamination
• Built for Tough Jobs – Engineered for heavy-duty applications