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Synthetic Industrial EP Gear Oil

Product code : (GISEP)

  • Excellent extreme-pressure protection helps reduce maintenance costs
  • Resists thermal breakdown for long oil and component life
  • Increases cold-temperature efficiency and protection due to low pour points
  • Superior film strength and foam suppression inhibit wear

Synthetic Industrial EP Gear Oil



Fortified with extreme-pressure (EP) additives to provide industrial-grade performance and protection. Designed to exceed the increased protection requirements of gears and bearings operating under severe-service and shock-loading conditions. Delivers complete gearbox protection, with an emphasis on extreme-pressure gear protection, heat resistance and cold-temperature operability.

HIGH-TEMPERATURE DURABILITY

  • Formulated with durable base oils that naturally resist oxidation.
  • Contains oxidation inhibitors and thermally stable additives to fight sludge, deposits, acids and thermal degradation.
  • Helps keep gears and bearings clean.

EXCELLENT COLD-TEMPERATURE FLUIDITY

  • High viscosity index helps maintain viscosity at wider temperature ranges compared to conventional oils.
  • Helps improve cold-temperature efficiency, reducing the need for sump heaters and seasonal oil changes.
  • Provides easier equipment startup in cold weather.

EXTREME-PRESSURE FORMULATION

  • Engineered to protect against shock loading, prevent metal-to-metal contact and inhibit corrosion.
  • Features excellent anti-foam and air-release properties to help maintain a thick lubricating film.
  • Fortified with a heavy treatment of specialized EP and anti-corrosion additives.
  • Protects gear surfaces and inhibits wear, pitting and scuffing under extreme pressures.

See the Data Sheet for Details

Synthetic Industrial EP Gear Oil

Performance Specifications**

  ISO68 ISO100 ISO150 ISO220 ISO320 ISO460 ISO680
DIN 51517-3 150 220 320 460 680
Cincinnati Machine 68 100 150 220 320 460 680
AGMA 9005-E02 68 100 150 220 320 460 680
ISO 12925-1 (CKD) 68 100 150 220 320 460 680
David Brown S1.53.101 (Type E) 68 100 150 220 320 460 680
US Steel 224 68 100 150 220 320 460 680
AGMA 250.04 68 100 150 220 320 460 680

Typical Technical Properties*
AMSOIL Synthetic Industrial EP Gear Oil

ISO Viscosity Grade (ASTM D2422) 68 100 150 220 320 460 680
AGMA Synthetic Gear Oil Classification 2EP 3EP 4EP 5EP 6EP 7EP 8EP
Kinematic Viscosity @ 100ºC, cSt (ASTM D445) 11.7 14.8 19.6 27.0 36.1 49.6 75.4
Kinematic Viscosity @ 40ºC, cSt (ASTM D445) 73.2 101.3 147.5 220.3 322.7 454 680.6
Viscosity Index (ASTM D2270) 155 151 152 157 158 170 192
Flash Point ºC (ºF) (ASTM D92) 238 (460) 238 (460) 238 (460) 240 (464) 244 (471) 246 (475) 254 (489)
Pour Point ºC (ºF) (ASTM D97) -52 (-62) -50 (-58) -45 (-49) -42 (-44) -40 (-40) -35 (-31) -33 (-27)
Copper Strip Corrosion Test, 121ºC, 3 hrs. (ASTM D130) 1B 1B 1B 1B 1B 1B 1B
Foam Seq I, II, III (ASTM D892) 0/0, 10/0, 0/0 0/0, 10/0, 0/0 0/0, 10/0, 0/0 0/0, 10/0, 0/0 0/0, 0/0, 0/0 0/0, 10/0, 0/0 0/0, 30/0, 0/0
Micropitting @ 90°C Load Stage, GFT Classification (FVA 54) >10 GFT = High >10 GFT = High >10 GFT = High >10 GFT = High >10 GFT = High
Four-Ball Weld Point, kgf (ASTM D2783) 250 250 250 250 250 250 250
Four-Ball Load Wear Index, kgf (ASTM D2783) 45 52 55 56 59 54 55
Falex Procedure B (ASTM D3233) (failure load, lbf) 3000 3000 3250 3250 3250 3750 3750
Timken OK Load, lbf (ASTM D2782) >90 >90 >90 >90 >90 >90 >90
FZG Failure Stage (A/8.3/90 ) >12 >12 >12 >12 >12 >12 >12
FZG Failure Stage (A/16.6/90) >12 >12 >12 >12 >12
FAG FE-8 Bearing Test [DIN 51819-3] Pass Pass Pass Pass Pass
Air Release @ 50ºC, min. (ASTM D3427) 28.1
Air Release @ 90ºC, min. (ASTM D3427) 8.7 9.5 11.4