Hydra part 433-008 is a sleeve shaft used in the drive train or pump assembly of compatible Hydra sprayers. It transmits rotational force from the motor or engine to the pump, while the sleeve design may incorporate bearing surfaces or provide a mounting point for couplings. Replacing a worn or damaged sleeve shaft restores proper power transmission and helps prevent misalignment and vibration.
| Part Number | 433-008 |
|---|---|
| Part Description | Sleeve Shaft |
| Brand | Hydra |
| Fits | Hydra M2000™ (433-860, 433-861); M4000™ (433-800, 433-801, 433-802); Hydra Pro Super™ (433-810) |
| Condition | New |
The Hydra 433-008 Sleeve Shaft is a precision‑machined component that transmits torque from the power source (motor or engine) to the pump on compatible Hydra sprayers. Its "sleeve" design may incorporate integral bearing surfaces, keyways, or splines to engage with couplings and drive components. It plays a critical role in maintaining concentric rotation and smooth power flow.
Over time, sleeve shafts can wear at bearing journals, keyways can become enlarged, or the shaft may bend due to shock loads or misalignment. Symptoms of a worn or damaged shaft include excessive vibration, unusual noises, coupling wear, and reduced pump performance. Replacing the shaft with genuine Hydra part 433-008 restores proper alignment and reliable operation.
| Torque transmission | Transfers rotational power from motor/engine to the pump |
|---|---|
| Alignment maintenance | Provides precise rotational axis for couplings and driven components |
| Bearing support | Serves as a mounting surface for bearings, ensuring smooth rotation |
| Excessive vibration | Unusual shaking or wobbling during operation |
|---|---|
| Bearing wear | Bearings fail prematurely; shaft journals may be scored or out‑of‑round |
| Keyway damage | Enlarged or wallowed keyways cause loss of drive engagement |
| Bent shaft | Visible runout or misalignment detected during inspection |
Hydra part 433-008 is compatible with the following Hydra sprayer models. Always confirm fitment using the correct parts diagram for your exact machine and serial number.
| Hydra Model | Model Number | Component |
|---|---|---|
| Hydra M2000™ | 433-860 | Sleeve Shaft |
| Hydra M2000™ (55 gal.) | 433-861 | Sleeve Shaft |
| Hydra M4000™ (Roofer model) | 433-800 | Sleeve Shaft |
| Hydra M4000™ (Painter model) | 433-801 | Sleeve Shaft |
| Hydra M4000™ (55 gal.) | 433-802 | Sleeve Shaft |
| Hydra Pro Super™ | 433-810 | Sleeve Shaft |
When replacing the sleeve shaft, it is recommended to inspect and replace associated wear items to ensure long-term reliability.
Worn bearings can damage the new shaft. Replace if rough, noisy, or with play.
Prevents leakage of lubricant and entry of contaminants. Always replace when servicing shaft.
Inspect coupling halves and keys for wear; replace if loose or damaged.
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