Case IH 1989462C1 Shaft
Main Functions
Transfers power to the lower unloading auger gearbox
Supports smooth grain unloading operation
Handles high rotational loads
Maintains drive system stability
Reduces drivetrain vibration
Improves harvesting productivity
A properly functioning shaft helps ensure efficient grain transfer and minimizes downtime during harvest.
Product Overview
Case IH 1989462C1 Shaft – Lower Unloading Auger Gearbox Input Shaft
Case IH 1989462C1 Shaft
The Case IH 1989462C1 Shaft is a heavy-duty gearbox input shaft designed for the lower unloading auger drive system in Case IH Axial-Flow combines. This shaft transfers power from the unloading drive mechanism to the grain tank unloading auger gearbox, ensuring smooth and efficient grain unloading during harvest operations. It is commonly identified as the Lower Gearbox Input Shaft or Unloader Auger Input Shaft.
Manufactured from high-strength alloy steel and precision-machined to OEM specifications, the 1989462C1 shaft is engineered to withstand high torque loads, vibration, and continuous operation in demanding harvesting environments. Dawopu supplies premium aftermarket replacements that provide excellent durability, accurate fitment, and reliable field performance.
Product Features
- OEM Part Number: 1989462C1
- Product Type: Gearbox Input Shaft
- Designed for unloading auger drive systems
- Precision-machined keyway shaft
- High-strength alloy steel construction
- Excellent torque transmission capability
- Heat-treated for enhanced durability
- Superior wear and fatigue resistance
- OEM-quality replacement part
- Long service life in heavy-duty harvesting applications
Compatible Case IH Equipment
The Case IH 1989462C1 Shaft is commonly used on Axial-Flow combines, including:
- Case IH 1640
- Case IH 1644
- Case IH 1660
- Case IH 1666
- Case IH 1680
- Case IH 1688
- Case IH 2144
- Case IH 2166
- Case IH 2188
- Case IH 2344
- Case IH 2366
- Case IH 2377
- Case IH 2388
- Case IH 2577
- Case IH 2588
Compatibility information is referenced from multiple agricultural parts catalogs.
Technical Specifications
Technical Specifications
| Item | Specification |
|---|---|
| Part Number | 1989462C1 |
| Product Name | Gearbox Input Shaft |
| Application | Lower Grain Tank Unloading Auger Gearbox |
| Material | High-Strength Alloy Steel |
| Shaft Type | Keyway Shaft |
| Length | 13.15 in (334 mm) |
| Outside Diameter | 1.50 in (38.1 mm) |
| Manufacturing Process | Forging + CNC Machining |
| Heat Treatment | Hardened and Tempered |
| Condition | New |
| OEM Replacement | Yes |
The shaft is commonly listed with a length of approximately 13.15 inches and an outside diameter of 1.50 inches.
Material Description
The Case IH 1989462C1 shaft is manufactured from premium alloy steel specifically selected for agricultural power transmission systems.
Material Advantages
- High tensile strength
- Excellent torsional resistance
- Superior fatigue performance
- Outstanding impact resistance
- Precision-machined bearing surfaces
- Long operational lifespan
Advanced forging and heat-treatment processes improve durability and ensure stable operation under heavy harvesting loads.
Why Choose Dawopu Group
OEM Quality
Manufactured to meet OEM specifications
Material Quality
High-grade materials for durability
Fast Delivery
Reliable shipping to global destinations
Certified Quality
ISO 9001:2025
Expert Support
Technical support available
Global Experience
Serving customers worldwide
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