Case-IH® Compatible Vacuum Fan Shaft Rebuild Kit (240 & 250 Series)
Reduce harvest downtime with this premium C&M Australian-made vacuum fan shaft rebuild kit. Specifically engineered for Case-IH® Flagship combine harvesters, this kit is supplied fully assembled for a fast and high-performance "plug-and-play" installation, ensuring your dust extraction system returns to peak efficiency immediately.
Manufactured in our Griffith factory, this aftermarket rebuild kit is a precision-fit solution for Case-IH® 240 and 250 series machines. The assembly arrives pre-configured with all required high-speed bearings, keys, and pulleys, allowing for a direct swap with your existing OEM components. This extended wear solution provides a longer service life and keeps your machine in top condition during high-capacity harvesting. (Please note: mounting fasteners must be re-used.)
Case-IH® Flagship Model Compatibility
Vacuum Fan Shaft Compatibility: Case IH Axial-Flow 240 & 250 Series
| Series |
Models |
Reference |
| Case-IH® 240 Series |
7240, 8240, 9240 |
Standard Fitment |
| Case-IH® 250 Series |
7250, 8250, 9250 |
Standard Fitment |
Kit Contents & OEM Cross-Reference
| Part Number |
Description |
Qty |
| 84423405 |
Suction Fan Shaft |
1 |
| 44898 |
Ball Bearings (25mm ID x 52mm OD) |
2 |
| 84423255 |
Shaft Support Housing |
1 |
| 47394078 |
Fan Drive Pulley (68.18mm OD) |
1 |
| 9706687 |
Hex Bolt (M12x1.75x30mm Cl 10.9) |
1 |
| Misc Hardware |
Spacer (84424679), Circlip (37001), Keys (122607, 170005) |
Set |
Technical Specifications & Features
- Manufacturer: Proudly C&M Australian made (Griffith, NSW).
- Build Quality: Supplied fully pre-assembled for rapid installation.
- Material Grade: High-tensile components for superior extended wear.
- Performance: Precision-balanced components to reduce vibration and bearing heat.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The vacuum fan shaft assembly operates at extremely high RPMs to clear dust from the engine air intake area. Because of this constant high-speed rotation, bearing failure is the most common cause of downtime. Once a bearing begins to overheat, it can rapidly damage the support housing and the drive pulley. We recommend checking for fan vibration or noise during every preventative maintenance check.
Choosing this fully assembled rebuild kit is a high-performance choice that eliminates the risk of incorrect assembly in the field. Using high-quality NSK bearings and a precision-machined shaft ensures your dust extraction system remains in top condition, preventing mid-harvest fan failures.
Installation Tip: Check the Drive Belt
When installing your new pre-assembled vacuum fan shaft, we highly recommend inspecting the fan drive belt for glazing or cracks. A worn belt can slip on the new pulley, creating excess heat and reducing the service life of the new bearings. Replacing the belt alongside this high-performance kit ensures a trouble-free season.