MOBIL GREASE XHP 321 MINE

MOBIL GREASE XHP 321 MINE is specifically engineered to lubricate extra heavy-duty off-highway and mining equipment. It is available in a range of NLGI grades and contains 5% molybdenum disulfide, enhancing performance across diverse operating conditions and temperatures to boost productivity. It offers outstanding extreme pressure and anti-wear properties, coupled with excellent staying power, resistance to water wash-out and spray-off, and extended service life capabilities under harsh operational environments.

Product Type: Grease

Application Area: Bucket Pin, Chassis Components, Heavy Equipment Central Lubrication Systems, Mining Equipment, Off-Highway Equipment, Pivot Pin

Features: Anti-Wear Properties, Extreme Pressure Performance, Heavy Duty, Low Temperature Pumpability, Service Life Extension

Thickener Type: Lithium Complex

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Identification & Functionality

Features & Benefits

Applications & Uses

Properties

NLGI Grade
Specifications
ValueUnitsTest Method / Conditions
GradeNLGI 1--
Base Oil Viscosity of Greases (at 40°C)320mm²/sAMS 1697
Copper Strip Corrosion Rating1A-ASTM D4048
Dropping Point270°C-
Four-Ball Extreme Pressure Test (Weld Load)400kgfD2596
Four-Ball Wear Test (Scar Diameter)0.4mmASTM D2266
Penetration (60 x 0.1 mm)5-ASTM D217
Roll Stability (Penetration Consistency Change 0.1 mm)325-ASTM D1831
US Steel Mobility (at -20°F)15g/minAMS 1390
Water Spray-Off28wt.%ASTM D4049
Water Washout Loss (at 79°C)10wt.%ASTM D1264