Tacna®HD (old)

Adhesive, Heavy Base Oil, Extreme Pressure Lithium Complex Grease

Phillips 66®Tacna HD is a premium quality, adhesive, extreme pressure (EP) lithium complex grease developed for the lubrication of heavily loaded construction, mining and industrial equipment. It also is recommended for use as a chassis grease for heavy mobile equipment. It is formulated to provide long service life in severe service applications.

Features & Benefits

• High load carrying capacity

• Excellent shock-load resistance

• Excellent oxidation resistance

• Adhesive to metal surfaces

• High shear stability

• Protects against rust and corrosion

• Excellent resistance to water washout


• Heavily loaded plain and rolling-element bearings in industrial and off-road equipment

• Chassis parts on heavy mobile equipment

• Construction equipment

• Dredging equipment

• Marine deck equipment

• Offshore drilling equipment

• Rock quarry equipment

Technical Details

Licenses & Approvals


Additional Details
NLGI Grade1
ThickenerLithium Complex
Dropping Point, °C (°F)260 (500)
Density, lbs/gal7.15
Penetration, Worked (60 strokes), ASTM D217310-340
Copper Corrosion, ASTM D40481b
Four-Ball EP, ASTM D2596, Weld Load, kgf315
Four-Ball Wear, ASTM D2266, Scar Diameter, mm0.45
Oxidation Stability, ASTM D942, 100 hrs, Pressure Drop, psi (kPa)3 (21)
Rust Prevention, ASTM D1743Pass
Timken OK Load, ASTM D2509, lb55
Water Washout Resistance, ASTM D1264, Weight Loss @ 175°F, %3
Base Oil Properties:
cSt @ 40°C400
cSt @ 100°C26
SUS @ 100°F2150
SUS @ 210°F129
Viscosity Index87
Usable Temperature Range:
°C-18 to 177
°F0 to 350