Mobiltac Double Letter Series

Gear Oils

Product Description

The Mobiltac Double Letter Series products are high performance, non-diluent type, heavy-bodied products intended for the lubrication of open gears over a wide range of environmental conditions and machine requirements. They incorporate extreme pressure additives for the protection of gear teeth and metal surfaces subject to extremely heavy loads. They form a cohesive and adhesive lubricating film that resists wear, water wash and excessive "throw off". They lubricate properly under boundary conditions. They resist peeling or flaking at sub-zero temperatures.

Mobiltac Double Letter Series lubricants are recommended for all-purpose applications in open gears. The two lighter grades meet many builder requirements for heavily loaded splash-type enclosed gearing.

Features and Benefits

The Mobiltac Double letter Series of products are important members of the Mobiltac brand of products that have been used with great success over several decades a wide variety of applications. They offer the following features and potential benefits:

Reduced maintenance costs because of longer gear life resulting from reduced wear and excellent protection against corrosion
Reduced lubricant consumption due to excellent adhesive qualities and resistance to "throw off" and water wash-out
Good low temperature properties with resistance to peeling

Applications

Mobiltac Double Letter Series lubricants are recommended for all-purpose applications in open gears. The two grades are used in heavily loaded splash-type enclosed gearing. Applications include:

Machinery components as hoist gears, swing gears, large press gears
Equipment in forge shops, pit or strip mining
Large earthmoving equipment and cement kilns

Typical Properties

Mobiltac Double Letter Series	Mobiltac LL	Mobiltac MM
Viscosity, ASTM D 445
cSt @ 40ºC	1050	3900
cSt @ 100ºC	46	89
Flash Point, ºC, ASTM D 92	182	182
Density @ 15ºC, ASTM D 4052, kl/l	0.954	0.969