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Savant Labs
A World of Lubrication Understanding®

Gear Lubricant Testing

Gear lubricant testing is essential to evaluate the critical properties of gear lubricants and their performance. These tests include four-ball wear extreme pressure, pin and vee wear, foam testing, and more. By conducting these tests, engineers are better able to measure the viscosity, shear stability, wear performance and other parameters of gear lubricants. This helps to ensure that gear components continue to operate with minimal wear under varying conditions. It also allows engineers to assess the effectiveness of different gear lubricants in a range of applications. Ultimately, this provides them with data for making informed decisions about which gear lubricants offer the best cost-benefit analysis for their particular needs. With reliable gear lubricant testing results at hand, teams can make sure that gear components are working optimally while avoiding unexpected breakdowns. Recording and tracking gear lubricant testing results over time can give invaluable insight into the long-term performance of gear lubricants and their components.

Savant Labs offer most of the gear lubricant testing required under SAE J2360 specification for Automotive Gear Lubricants for Commercial and Military Use. 

ASTM International Method

ASTM D92    Flash Point, Cleveland Open Cup
ASTM D94    Saponification Number
ASTM D97    Pour Point
ASTM D130   Copper Strip Corrosion
ASTM D287   API Gravity (Hydrometer)
ASTM D445   Kinematic Viscosity
ASTM D664   Acid Number
ASTM D665   Rust Prevention 4  and 24 Hours (Method A or B)
ASTM D874   Sulfated Ash
ASTM D892   Foaming, Sequence I - III
ASTM D893   Insolubles, Pentane
ASTM D943   Oxidation Characteristics (2.0 TAN or 1000 Hrs)
ASTM 1084B T-Bar Viscosity
ASTM D1401 Emulsion Characteristics, Water Separability
ASTM D1500 Color
ASTM D2070 Thermal Stability (Hydraulic Fluids)
ASTM D2270 Viscosity Index
ASTM D2422 & D445 Industrial Fluid Lubricants by Viscosity System
ASTM D2603 Sonic Shear, Oils
ASTM D2622 Sulfur by XRF - Wavelength Dispersive 
ASTM D2670 Falex Pin & Vee Wear
ASTM D2711  Demulsibility - Procedure A (No EP Additives)
ASTM D2711  Demulsibility - Procedure B (EP Additives)
ASTM D2714 Block on Ring Friction and Wear
ASTM D2782 Timken Extreme Pressure
ASTM D2783 Four Ball Extreme Pressure
ASTM D2887 Gas Chromatography - Carbon Distribution
ASTM D2893 Oxidation Characteristics Extreme Pressure
ASTM D2983 Brookfield Viscosity, +20°C to -60°C
ASTM D3233 Falex Extreme Pressure
ASTM D3427 Air Release / Gas Bubble Separation
ASTM D4052 Specific Gravity (Includes API Gravity)
ASTM D4172 Four-Ball Wear
ASTM D4294 Sulfur by XRF - Energy Dispersive
ASTM D4310 Sludging/Corrosion Tendency Up to 1000 Hrs
ASTM D4629 Nitrogen by Chemiluminescence
ASTM D4927 Sulfur Content for Automatic Transmission Fluid by XRF
ASTM D4951 Elemental Analysis by Inductively Coupled Plasma, Wear Metals
ASTM D5182 FZG Gear Test - Up to 12 Stages
ASTM D5182 FZG Gear Test - Up to 14 Stages
ASTM D5183 Coefficient of Friction by Four-Ball
ASTM D5185 Elemental Analysis by Inductively Coupled Plasma (No S)
ASTM D5185 Sulfur by Elemental Analysis by Inductively Coupled Plasma
ASTM D5453 & D5762 Sulfur and Nitrogen Package
ASTM D5620 Drain and Dry Mode Using Falex Pin & Vee Block Test
ASTM D6022 Calculated Permanent Shear Stability Index
ASTM D7213 Boiling Range Distribution of Petroleum Distillates, 100°C to 615°C
ASTM D7421 Extreme Pressure Properties of Lubricating Oils Using High-Frequency, Linear-Oscillation SRV
ASTM E1131 TGA Soot
ASTM E1269 & E1133 Specific Heat and TGA for Fluids
ASTM E1858 Oxidation Induction Time by PDSC
ASTM G 99 Wear Testing with a Pin-on-Disk Apparatus
CEC L-085-T99 Oxidation Induction Time by PDSC
CEC L-45-99 Mod. KRL Shear
FTM 3456 Channeling Characteristics
DIN ISO 7148-1 Tribological Test - Metallic Bearing Materials for Plain Bearings Under Conditions of Boundary Lubrication
DIN ISO 7148-2 Tribological Test - Polymer-Based Plain Bearing Materials Under Specified Working Conditions
FTM 3456 Channeling Characteristics
ISO 1817 Elastomer Compatibility, Gear Oils, NBR/SRE 28SX, 168 Hours
SAVLAB LPYC Density, Pycnometer