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Inspection Window Assembly 151.37.074-1A is used in the transfer case of HTZ tractors and is designed to provide a visual check of the oil level without disassembling the unit, making transmission maintenance quicker and more convenient.
The assembly consists of the following components:
The inspection window is installed on Transfer Case Housing 151.37.301-4 using Gasket 151.37.549-1 and is secured with two M10×25 bolts and 10.65G spring washers. Its sealed design prevents oil leakage while protecting the internal components of the transfer case from dust and moisture.
The integrated sight glass allows the operator to quickly monitor the oil level during operation, detect low or contaminated oil in time, and help prevent premature wear of gears, bearings, and other transfer case components.
The assembly is used on HTZ T-150K, T-151K, T-156, HTZ-17221, and other HTZ tractor models equipped with the same transfer case design.
