Royal Purple 75W-140 Gear Oil - Trackwerks
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Royal Purple 75W-140 Gear Oil

Royal Purple
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Max Gear is recommended for use in truck and automotive front or rear differentials, manual transmissions and lower gear units of marine engines that specify use of an API GL-5 or GL-4 fluid. Max Gear is an ultra-tough, high performance automotive gear oil designed to provide maximum protection to heavily loaded gears while maximizing power throughout the drive train. Max Gear outperforms ordinary gear oils by combining the highest quality synthetic oils with Royal Purple’s proprietary Synerlec additive technology. Max Gear makes gears run smoother, quieter, cooler and longer without overhauls. Max Gear is formulated with a friction modifier additive, no additional additives are necessary. 


  • Maximizes Horsepower
  • Extends Gear And Bearing Life
  • Reduces Operating Temperature
  • Severe Service Performance
  • Lower Co-Efficient Of Friction. Superior Corrosion Protection
  • Separates Rapidly From Water. Environmentally Responsible
  • Formulated For Limited Slip Differential Use
Viscosity Grade: SAE 75W-140
Use: Limited Slip Differentials And Manual Transmissions
Type: Synthetic
Unit Size: 1 Quart
Unit Type: Bottle
API Rating: GL-4/ GL-5
Unit Quantity: Single