140-2377 Hydraulic Cylinder Head U-Cup Seal
Seal Shape: Type A
Description
Designed to replace V-packing that Caterpillar no longer uses. These groups combine a U-cup rod seal with a shim to fill the original V-packing groove. U-cup seal groups and V-packing meet the same functional sealing specifications.
Specifications
| Material | Urethane Rubber |
|---|---|
| Outer Depth – B (+ 0.002 in, -0.000 in) | 1.77 in |
| Outer Depth – B (+ 0.002 in, -0.000 in) (in) | 45.05 mm |
| Seal Shape | Type A |
| Width – A (+ 0.015 in, -0.000 in) | 11.00 mm (0.43 in) |
| Inside Diameter | 34.93 mm (1.38 in) |
Compatible Equipment
- Compact Track Loaders: 279D3, 299D3
- Mini Excavators: 301.5
- Excavators: 301.6, 301.8
- Wheel Loaders: 906K
- Asphalt Pavers: AD30, AD45
- Skid Steer Loaders: 246D3, 272D3, 262D3, 272D3 XE, 289D3, 226B, 226B3, 299D3 XE, 246D, 279C, 216B3, 262D, 246C, 262C
Additional information
| Machine Model | 216B3, 226B, 226B3, 246C, 246D, 246D3, 262C, 262D, 262D3, 272D3, 272D3 XE, 279C, 279D3, 289D3, 299D3, 299D3 XE, 301.5, 301.6, 301.8, 906K, AD30, AD45 |
|---|---|
| Equipment Type | Excavators, Mini Excavators, Wheel Loaders, Compact Track Loaders, Skid Steer Loaders, Asphalt Pavers |
| Part Source | Genuine OEM |








