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⚙️ Drive smarter, not harder — gear up with Royal Purple Max Gear Oil!
Royal Purple 06300 Max Gear Oil is a premium 75W-90 synthetic hypoid gear oil designed for trucks, 4WDs, and marine lower gear units. Featuring proprietary Synerlec additive technology, it delivers superior protection, reduces friction and drag, and extends gear and bearing life while being safe on soft metals and synchronizers. Ideal for professionals demanding peak drivetrain performance and longevity.
| ASIN | B00TO65GFK |
| Best Sellers Rank | #59,294 in Automotive ( See Top 100 in Automotive ) #82 in Gear Oils |
| Brand | Royal Purple |
| Customer Reviews | 4.8 4.8 out of 5 stars (368) |
| Date First Available | January 1, 2012 |
| Item Form | Oil |
| Item Weight | 12.65 pounds |
| Item model number | 06300 |
| Liquid Volume | 192 Fluid Ounces |
| Manufacturer | Royal Purple |
| Manufacturer Part Number | 06300 |
| Material | Copper,Synthetic,Brass,Metals |
| Number of Items | 1 |
| OEM Part Number | 06300 |
| Package Information | Bottle |
| Product Dimensions | 10.9 x 7.3 x 12.6 inches |
| Recommended Uses For Product | auto racing |
| SAE J300 Viscosity Grade | 75W-90 |
| Specific Uses For Product | Vehicle |
| UPC | 641330263002 |
| Unit Count | 191.9284 Fluid Ounces |
| Upper Temperature Rating | 1 Kelvin |
| Viscosity | 75W90 |
M**L
Gears love Royal Purple
Great product, would be nice in a squeeze bag for the hard to reach fill holes.
C**.
Good value on great gear oil
The case of six Royal Purple gear oil quarts was perfect for changing the oil in my Chevy truck differentials. Good value on quality gear oil.
G**B
royal purple is the best
royal purple makes great gear lube as well as the other oil products,I have seen big temperature drops in various gearbox when I use royal purple ,there anti-friction additives really work.
D**T
Just enough for a 2016 Silverado 2500hd diff
Ordered when installing my new gates diff cover
A**R
Gear lube
Excellent lube, great price..
M**H
Great
Definitely a great product. I have 150k on my front/rear differentials and no problems. Change fluid every 30k. Highly recommend.
F**K
The best in the business
I start off by saying I’m a diehard Royal purple fan it has proven time and time again it is superior over Mobil 1 and cheaper brands this gear oil is not any different really quiets down the gears and helps reduce vibration and for the price you can’t beat it
L**E
Great
Good product. Fixed my A833 4-speed shifting problem. Smooth shifts now.
C**.
As expected and great price!
Trustpilot
2 months ago
3 weeks ago