Case IH 1989463C1 Output Shaft – Unloading Auger Drive Shaft

Case IH 1989463C1 Shaft

The Case IH 1989463C1 Shaft is a heavy-duty unloading auger output shaft designed for Case IH Axial-Flow combines. This shaft transfers rotational power from the unloading drive system to the grain tank unloading auger, ensuring efficient grain handling and reliable unloading performance during harvest operations. According to Case IH parts documentation, the shaft features an outside diameter of approximately 34.95 mm (1.375") and a length of approximately 320.5 mm (12.67").

Manufactured from high-strength alloy steel and precision-machined to OEM specifications, the 1989463C1 shaft is engineered to withstand continuous torque loads, vibration, and demanding harvesting conditions. Dawopu supplies premium aftermarket replacements that provide excellent durability, precise fitment, and long service life.

Product Features

• OEM Part Number: 1989463C1
• Product Type: Unloading Auger Output Shaft
• Heavy-duty power transmission component
• Precision-machined splined shaft
• High-strength alloy steel construction
• Excellent wear and fatigue resistance
• Suitable for continuous harvesting operations
• Heat-treated for enhanced durability
• OEM-quality replacement
• Long service life

Compatible Case IH Equipment

The Case IH 1989463C1 shaft is commonly used on numerous Axial-Flow combine models, 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 based on multiple agricultural parts references.