

Part number 288799 is an adapter fitting designed to connect components with different thread types or sizes on compatible PowrTwin equipment. This precision‑machined fitting ensures leak‑free connections in hydraulic or fluid systems, allowing proper integration of hoses, pumps, and other components. Replacing a worn, damaged, or leaking adapter fitting restores system integrity, prevents fluid loss, and ensures reliable operation.
| Part Number | 288799 |
|---|---|
| Part Description | Adapter Fitting |
| Brand | PowrTwin |
| Fits | PowrTwin 4900, 6900, 8900, 12000 Plus |
| Condition | New |
The 288799 Adapter Fitting is a precision component used to connect hydraulic lines, hoses, and components with different thread sizes or types on PowrTwin 4900, 6900, 8900, and 12000 Plus equipment. It ensures a secure, leak‑free connection in high‑pressure fluid systems, maintaining system integrity and preventing fluid loss.
Over time, fittings can become corroded, damaged, or worn, leading to leaks and pressure loss. A damaged adapter fitting can compromise the entire hydraulic system, causing poor performance, fluid contamination, and potential safety hazards. Replacing the adapter fitting restores a reliable connection, ensures proper fluid flow, and prevents costly downtime.
| Thread transition | Connects components with different thread types or sizes |
|---|---|
| Fluid sealing | Provides leak‑free joint in hydraulic systems |
| System integration | Allows proper connection of hoses, pumps, and other components |
| Fluid leaks | Visible seepage at the fitting connection |
|---|---|
| Thread damage | Cross‑threading, galling, or stripped threads |
| Corrosion / pitting | Rust or chemical attack compromising fitting integrity |
| Deformation / cracks | Visible distortion or cracking in the fitting body |
Part number 288799 is compatible with the following PowrTwin models. Always confirm fitment using the correct parts diagram for your exact model and serial number.
| Model | Component |
|---|---|
| PowrTwin 4900 | Adapter Fitting |
| PowrTwin 6900 | Adapter Fitting |
| PowrTwin 8900 | Adapter Fitting |
| PowrTwin 12000 Plus | Adapter Fitting |
Adapter fitting issues may involve associated components. When servicing the adapter fitting, these parts are commonly inspected or replaced at the same time.
Many straight thread connections use O‑rings for sealing; inspect and replace as needed.
Check hoses for cracks or bulges near the fitting connection.
Adjacent couplers may also be worn; inspect for leaks and smooth rotation.