Description

Shell GadusRail S2 Traction Motor Bearing grease is one of Shell’s highest quality lithium soap- based greases. It is manufactured to specifications that provide excellent mechanical stability and long service life. These properties are needed for many critical anti-friction bearing applications. Shell GadusRail S2 Traction Motor Bearing grease is a NLGI Grade 3 grease formulated using mineral base oils.

Applications

  • Traction motor bearings of General Electric locomotives and those previously made by General Motors Electromotive Diesel
  • Prepackaged anti-friction bearings intended for “life-time” service without relubrication, a feature highly desired by the railroad industry

Approvals and Recommendations

Shell GadusRail S2 Traction Motor Bearing grease meets the requirements of:

  • General Electric
  • General Motors Electromotive Division (EMD)

Typical Physical Characteristics

 

Test

 

Method

 
Appearance   Amber, Buttery

Base Oil Viscosity:

@  40°C, cSt

@ 100°C,  cSt

 

D 445

D 445

 

93

10.2

Penetration, dmm

Worked, 60X

 

D 217

 

230

Dropping Point, °F

Mettler

380

Bomb Oxidation Test

Pressure Drop @100 hrs, psi

 

D 942

 

0.8 (5.5 kPa)

 

Wheel Bearing Leakage @ 160oC,  gm

 

D4290

 

1.1

4 Ball Wear  Scar, mm

1 hr/75C/1200 rpm/40 kg /

 

D2266

 

0.6

 

Oil Separation, 24 hr/100 C, %

 

FTM321

 

0.6

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