Mastermax SAE 10W, SAE30 API TO-4, and SAE50 API MT-1 GL4 oils are high-performance transmission lubricants formulated to meet Caterpillar TO-4 specifications for off-highway equipment. They provide excellent lubrication for heavy-duty automatic transmissions, power shift systems, final drives, and wet brake components. Advanced additive technology ensures extreme-pressure protection, reduces wear, and maintains clutch performance under high loads. The oils offer superior thermal and oxidation stability, ensuring long-lasting protection in high-temperature and heavy-duty applications. Resistant to foaming, rust, and corrosion, they maintain consistent lubrication and smooth operation. Designed for demanding off-highway conditions, Mastermax TO-4 and MT-1 GL4 oils support reliable performance, durability, and operational efficiency across construction, mining, agricultural, and industrial equipment.




Mastermax SAE 10W, SAE30 TO-4, and SAE50 MT-1 GL4 are transmission oils designed for heavy-duty off-highway equipment, providing clutch protection, wear resistance, and smooth power shift performance.
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