CASE-IH® Compatible Inner Unloading Auger Tube (90" / 2285mm)

Keep your grain handling system in top condition with this premium aftermarket inner unloading auger tube. Specifically engineered for Case IH® mid-series Axial-Flow combines, this heavy-duty tube ensures high-capacity discharge and reliable grain transition from the tank to the unloading system.

This 90-inch inner tube is a precision-manufactured replacement designed to bolt directly to the unloading auger elbow. Implementing proactive preventative maintenance by replacing worn, thinned, or dented unloading tubes ensures an extended service life for your unloading system and prevents grain turbulence and unnecessary wear on the internal auger flighting.

CASE-IH® OEM Cross-Reference

Replaces OEM Part Numbers: 1317738C1, 1317738C2, 1317738C3

90 inch Inner Unloading Auger Tube for Case IH 1680, 2188, 2388, 2588 Axial-Flow Models

Series	Models	Details
Case-IH® 1600 Series	1620, 1640, 1644, 1660, 1666, 1670, 1680, 1688	Inner Tube
Case-IH® 2100 Series	2144, 2166, 2188	Inner Tube
Case-IH® 2300 Series	2344, 2365, 2366, 2377, 2388	Inner Tube
Case-IH® 2500 Series	2577, 2588	Inner Tube

Technical Specifications & Features

• Quality Assurance: Precision manufactured to keep your equipment in top condition.
• Dimensions: 90" (2285mm) Overall Length.
• Capacity: 12" Tube diameter designed to accept standard 11.5" auger flighting.
• Configuration: Non-perforated solid steel construction for maximum durability.
• Finish: Painted Case-IH Red for superior corrosion protection.
• Available for fast Australia-wide dispatch from Collier & Miller.

Expert Maintenance Review

To keep your unloading system in top condition, we recommend inspecting the unloading elbow and internal auger flighting for thinning edges whenever the tube is replaced.

Standard preventative maintenance for the unloading drive train includes verifying the integrity of the tube-to-elbow mounting flange. Replacing a worn tube helps maintain optimal clearance between the flighting and the tube wall, providing an extended service life and preventing grain damage during high-speed unloading.