421-6171 Quick Disconnect Threaded Coupling
Quick Disconnect Threaded Coupling (Female)
Description
Cat® fluid quick disconnect couplings meet extremely high standards of quality, reliability, and durability. These quick disconnect couplings are manufactured to strict tolerances to ensure leak-free connections. Each Cat fluid quick disconnect coupling meets or exceeds industry standards (where applicable) for working pressure and corrosion protection, keeping your machine durable and running properly.
Features
- Fluid-conveying component that provides quick connect and disconnect capability
- Designed to meet or exceed industry-standard part performance and provide a leak-free connection
- Images provided are for reference only. The construction of the quick disconnect coupling may differ slightly from the image shown, but this part is interchangeable with the OEM part.
Applications
Quick disconnect couplings are suited to specific applications, connecting fluid-carrying hoses and tubes to other system components. These parts are used to quickly connect and disconnect fluid-carrying hoses and tubes to change work tools on the machine or perform routine service functions that require connecting or disconnecting fluid lines. Refer to your Operation and Maintenance Manual or contact MECHSC for more information.
Specifications
| Material | Alloy Steel |
|---|---|
| Connector Type | -10 STOR to Quick Disconnect Male Threaded Coupling |
| Material Description | Plated Steel |
| Primary Seal Material | NBR |
| Length | 98 mm (3.86 in) |
| Thread | 7/8-14 (No. 10 Port) |
| Hex Size | 41 mm (1.61 in) |
Compatible Equipment
- Cold Planers: TH255C, TH417D, TH360B
- Compact Track Loaders: 299D3, 279D3
- Wheel Loaders: 906K
- Skid Steer Loaders: 232D3, 226D3, 239D3, 272D3 XE, 299D3 XE, 272D3, 249D3, 246D3, 242D3, 262D3, 236D3, 216B3, 226B, 246D, 259D3, 289D3, 262D, 232D, 226B3, 236D, 236B3, 236, 262C, 279C, 246C
Additional information
| Machine Model | 216B3, 226B, 226B3, 226D3, 232D, 232D3, 236, 236B3, 236D, 236D3, 239D3, 242D3, 246C, 246D, 246D3, 249D3, 259D3, 262C, 262D, 262D3, 272D3, 272D3 XE, 279C, 279D3, 289D3, 299D3, 299D3 XE, 906K, TH255C, TH360B, TH417D |
|---|---|
| Equipment Type | Wheel Loaders, Compact Track Loaders, Skid Steer Loaders, Cold Planers |
| Part Source | Genuine OEM |





