GEAR-140 EP-140 GL-4 – Heavy Duty Gear Lubricant
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EP-140
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GL-4
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Heavy Duty
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Gear Lubricant
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500 ml, 1 Ltr
5 Ltr, 10 Ltr
20 Ltr, 26 Ltr
50 Ltr
210 Ltr
GEAR-140
Powerex GEAR-140 EP-140 GL-4 is a high-viscosity heavy duty gear lubricant formulated for gear systems operating under heavy load and low-speed conditions. The oil is designed to maintain a thick lubricating film between gear surfaces and support reliable surface separation during demanding gear operation.
Built with Load Armor Tech, GEAR-140 supports heavy gear protection, slow-speed load handling and stable lubrication in compatible gearboxes, axle assemblies and final drive systems. Its EP-140 GL-4 performance level makes it suitable for applications where high-viscosity GL-4 gear lubricant is recommended by the vehicle or equipment manufacturer.
GEAR-140 is suitable for workshops, vehicle owners, fleet users and machinery maintenance teams looking for a dependable EP-140 GL-4 heavy duty gear oil for compatible gearboxes, selected axle systems, final drives and heavy gear applications.
- Suitable for gear systems requiring EP-140 GL-4 gear lubricant.
- Suitable for selected gearboxes, axle assemblies and final drive applications where EP-140 GL-4 oil is recommended by the vehicle or equipment manufacturer.
- Can be used in compatible commercial vehicles, agricultural equipment and machinery gear systems operating under heavy load and low-speed conditions.
- Designed for gear applications requiring thick oil film, surface separation and stable lubrication under sustained load.
- Suitable for older or compatible drivetrain applications where high-viscosity GL-4 gear oil is specified.
- Not intended for hypoid differentials or axle systems requiring GL-5 gear oil unless EP-140 GL-4 is specifically approved by the manufacturer.
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Thick Film — Maintains a strong lubricating film between heavily loaded gear surfaces.
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Slow Gear — Supports lubrication in slow-speed gear systems operating under load.
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Heavy Axle — Assists protection in compatible axle and final drive applications.
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Surface Separation — Helps reduce metal-to-metal contact in heavy gear operation.
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EP-140 Support — Suitable for gear systems requiring EP-140 GL-4 gear lubricant.
| Test Parameters | Method | Results |
|---|---|---|
| SAE Viscosity Grade | SAE J306 | EP-140 |
| Performance Level | Standard Observation | GL-4 |
| Kinematic Viscosity @ 40°C | ASTM D445 | 390–520 cSt |
| Kinematic Viscosity @ 100°C | ASTM D445 | 24.0–32.0 cSt |
| Viscosity Index (VI) | ASTM D2270 | ≥ 90 |
| FZG Scuffing Load Test | DIN 51354 | ≥ 10 Load Stage |
| Flash Point | ASTM D92 | ≥ 220°C |
| Pour Point | ASTM D97 | -9°C (max) |
| Copper Strip Corrosion | ASTM D130 | 1b max |
| Foaming Tendency | ASTM D892 | Passes |
| Density @ 15°C | ASTM D4052 | 0.895–0.915 g/cm³ |
The values mentioned above are typical and may vary within acceptable manufacturing tolerances. Continuous product development may lead to changes without prior notice.
