Syngear 75W/90 GL-5 stands as a top-tier full synthetic limited slip gear oil, boasting a remarkable blend of exceptional attributes. It excels in both high-temperature and high-load scenarios, showcasing impressive performance characteristics. Simultaneously, it offers outstanding fluidity and cold flow properties even at low temperatures, ensuring reliable operation in diverse environmental conditions. This oil further distinguishes itself through its excellent corrosion protection capabilities and remarkable compatibility with seals.

One of the key strengths of Syngear 75W/90 GL-5 lies in its viscosity/temperature properties, which remain outstanding even in the face of the intense mechanical shearing encountered in demanding automotive gear applications, including hypoid setups and other severe conditions.

This superior lubricant is highly recommended for use in a variety of critical gear components, including differentials, final drives, manual transmissions, transfer cases, and various other gear applications. Its versatility and high-performance characteristics make it a dependable choice for ensuring the longevity and efficiency of these essential automotive and industrial systems.

Syngear 75W/90 GL-5 meets or exceeds the following demanding performance requirements:


US Military: MIL-L-2105C, MIL-L-2105D, MIL-PRF-2105E SAE J2360

Always consult your vehicle owner’s manual for the manufacturer’s lubricant recommendations.

PropertyASTM MethodTypical Results
Density (kg/Lt) @ 15oCD-12980.869
Viscosity, cSt at 40oCD-445104
at 100oCD-44514.5
Viscosity IndexD-2270144
Flash Point; PM Closed (oC)D-93170
Pour Point (oC)D-97-43
TAN (mg KOH/g)D-9744.5
Copper Strip Corrosion 3 hours @ 100oC  D-130  1b
Foam Formation (10mins settling) –D-892 
Sequence I Nil
Sequence II Nil
Sequence III Nil
High Torque, Further StressedL-37Pass
High Speed, Shock LoadL-42Pass
Sulphated Ash (% wt)D-482<0.01
Sulphur (% wt)D-1292.26
Phosphorus (% wt)D-10910.24
Nitrogen (% wt)Kjeldahl0.106
Boron (% wt)Proprietary0.028
Timken (Ok Load kg)D-278270
Four-Ball, Wear Scar  
Diameter (mm)D-22660.28
FZG (Pass Stages)FZG12

Available in:         Bulk, 1000 Litres, 200 Litres, 60 Litres, 20 Litres, 4 Litres and 1 Litre

Item Code:            VI42463

Product Informations

Product Data Sheet

Material Safety Data Sheet