Case-IH® & New Holland Compatible Idler Sprocket (15T)
Maintain consistent drive tension with this premium aftermarket idler sprocket, specifically designed for Case-IH® and New Holland combine harvesters. This versatile component is a critical part of the clean grain elevator and tailings drive assemblies, ensuring smooth chain operation across a wide range of late-model machines.
Assembled to match exact OEM specifications, this 15-tooth sprocket provides a high-quality solution for maintaining proper drive alignment. By utilising an flame hardened tooth design, this unit assists in reducing vibration and preventing chain "slap," contributing to a longer service life for your harvesting equipment's drive systems.
OEM Cross-Reference
Replaces OEM Part Number: 87283101
Primary Application Locations
- Feeder House: Header front auger drive assembly.
- Elevator Drive: Combine harvester clean grain elevator tightener.
- Tailings System: Tailings elevator head drive tightener.
Idler Sprocket Compatibility: Case IH Axial-Flow & New Holland CR/CX Models
| Series |
Models |
Serial/Reference |
| Case Header Fronts |
2030, 2040, 2060-15, 2060-17, 2060-20 |
Standard Fitment |
| Case Flagship Series |
7010, 8010, 7120, 8120, 9120 |
Standard Fitment |
| Case Mid-Range Series |
5088, 6088, 5130, 6130, 5140, 6140, 7140 |
Standard Fitment |
| New Holland CR Series |
CR6090, CR7090, CR8090, CR9000 Range |
Standard Fitment |
| New Holland CX Series |
CX7080, CX8080, CX8090, CX7.80, CX8.80 |
Standard Fitment |
Technical Specifications & Features
- Sprocket Profile: 15 Tooth (15T) Simplex design.
- Bearing: Supplied pre-assembled with internal bearing for immediate installation.
- Application: Multipurpose use across elevator, tailings, and header drives.
- Wear Rating: Extended wear configuration for high-yield conditions.
- Dispatch: Available for fast Australia-wide shipping from Collier & Miller.
Expert Maintenance Review
The idler sprocket is a hard-working component that is often exposed to high levels of dust and varying chain loads. A failing idler bearing or a sprocket with "hooked" teeth can cause the drive chain to overheat or jump, leading to catastrophic failure of the drive assembly. We recommend checking the bearing for lateral movement and the sprocket for tooth thinning during every preventative maintenance cycle.
Replacing a noisy or worn idler with this high-performance unit is a key step in keeping your grain handling system in top condition. Ensuring your drive chains are tensioned against a fresh extended wear sprocket surface prevents premature chain stretch and maintains the service life of the more expensive drive and driven sprockets in the system.
Installation Tip
When installing the new idler sprocket, ensure the mounting bolt is torqued correctly and that the sprocket is aligned perfectly with the drive path. Even a slight offset can cause the chain to wear the side of the sprocket teeth, leading to noise and reduced efficiency.