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Royal Purple's proprietary additive technologies, such as Synerlec, enable its products to outperform leading synthetic and conventional lubricants
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SynTractor™ III
and SynTractor™ III WG


SynTractor™ III and SynTractor™ III WG (Winter Grade) are recommended for farm tractors where one common oil reservoir supplies the transmission, hydraulic system, differentials, wet brakes and / or final drives.
SynTractor™ III and SynTractor™ III WG are high performance, high film strength, long life, multi-purpose tractor fluids. They meet the requirements for many manufacturers (See Product Sheet for manufacturers list.).

SynTractor III™ and SynTractor III™ WG offer significant performance advantages over other approved tractor fluids because they contain Royal Purple's proprietary Synerlec® additive technology, a super-tough, tenacious, slippery, synthetic lubricating film. Synerlec® additive technology's film strength is noticeably stronger than other tractor fluids assuring excellent lubricity and maximum protection.

SynTractor III™ and SynTractor III™ WG are many times more oxidation stable than other tractor fluids. Their superior ability to resist breakdown from heat and not lose proper lubricity allows for greatly extended oil drain intervals and cleaner equipment.

SynTractor III™ and SynTractor III™ WG are fully compatible and can be mixed with other tractor fluids; however, for best results drain old fluid and fill with SynTractor III™ or SynTractor III™ WG.

Find out more: See the PS & MSDS (Product Sheets and Material Safety Data Sheets)

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Hot Rod magazine Endorses Royal Purple® Lubricants
"It occurred to us that we've yet to run a test with Royal Purple® oil that didn't result in a power gain—it might be a marginal gain (as with our little Acura Integra), but it's a gain.
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