AMSOIL SEVERE GEAR 100% Synthetic Extreme-Pressure Gear Lube 75W-110
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SEVERE GEAR 75W-110 Synthetic EP Gear Lube
AMSOIL SEVERE GEAR 75W-110 provides a heavier viscosity for applications requiring additional film strength under extreme loads. It maintains its viscosity for long-lasting protection against metal-to-metal contact and forms an iron-sulfide barrier coating on gear surfaces.
Key Benefits
- Advanced protection against wear, pitting and scoring
- Controls thermal runaway under high-stress conditions
- Heavier viscosity for additional film strength under extreme loads
- Protects against rust and corrosion
- Helps reduce operating temperatures
- Maximum efficiency with wax-free cold-flow properties
- 100,000-mile normal service life in cars, SUVs and light trucks
- Flexible Easy-Pack for clean, fast installation
Severe-Duty Performance
SEVERE GEAR helps prevent thermal runaway — a phenomenon caused by a lubricant's inability to control friction and increased heat under high-stress conditions. It resists breakdown from high heat, preventing acid and carbon/varnish formation.
Service life: 100,000 miles normal service or 50,000 miles severe service in cars, SUVs and light trucks.
Technical Specifications
| Property | Value |
|---|---|
| Kinematic Viscosity @ 100°C, cSt | 20.5 |
| Kinematic Viscosity @ 40°C, cSt | 132.6 |
| Viscosity Index | 179 |
| Brookfield Viscosity, cP | 86,140 @ -40°C |
| Flash Point | 218°C (424.4°F) |
| Pour Point | -43°C (-45°F) |
| Copper Corrosion @ 121°C, 3 hr | 1b |
| Foam Stability (Seq. I, II, III), ml | 0/0, 10/0, 0/0 |
Industry Certifications & OEM Approvals
API
- GL-5, MT-1
Military
- MIL-PRF-2105E
Dana
- SHAES 234 (Formerly Eaton PS-037)
Mack
- GO-J
Applications & Specifications
Use in differentials, manual transmissions and other gear applications requiring: API GL-5, MT-1, MIL-PRF-2105E, Dana SHAES 234 (Formerly Eaton PS-037), Mack GO-J or other GL-5 based specifications from Ford, GM and Chrysler. Can also be used in axles where an API GL-4 lubricant is recommended.
Pros and Cons
Pros
- Advanced protection against wear, pitting and scoring
- Controls thermal runaway under high-stress conditions
- Heavier viscosity for additional film strength under extreme loads
- Protects against rust and corrosion
- Helps reduce operating temperatures
- Maximum efficiency with wax-free cold-flow properties
- 100,000-mile normal service life in cars, SUVs and light trucks
- Flexible Easy-Pack for clean, fast installation
Cons
- Premium Investment: Higher initial cost compared to conventional or "shelf-brand" synthetic oils.
- Limited Local Retail: Primarily available through authorized dealers and specialized synthetic outlets. National Synthetics is a local stocking dealer. Call 1-678-944-8816 to confirm in-stock items for same-day local pickup.
Order Through Your Independent AMSOIL Dealer
Get severe-duty protection for your differential and drivetrain. As your Independent AMSOIL Dealer, we provide expert guidance and competitive pricing on all AMSOIL products.
Independent AMSOIL Dealer #1858536
Shipping & Returns
Fast, Reliable Shipping
- Free standard ground shipping on orders of $100 ($130 in Canada) or more.
- Orders under the threshold ship for a flat $9.99 ($12.99 in Canada) freight charge.
- In-stock items typically delivered in two to three business days.
- U.S. and Canada only — no shipments to PO Boxes.
30-Day Return Policy
- Return unopened, currently marketed products within 30 days for a full refund (minus freight).
- Exchange unopened products within 90 days with no restocking fee.
- Special-order items are non-returnable.
- Returns are handled directly by AMSOIL.
Frequently Asked Questions
Use 75W-110 when your application requires a heavier viscosity for additional film strength under extreme loads, or when the OEM specifies a 75W-110 grade. Check your owner's manual for the correct viscosity specification.
Yes. AMSOIL SEVERE GEAR is compatible with most limited-slip differentials. For applications that require additional limited-slip friction modifier, add AMSOIL Slip Lock.
Customer Reviews
See all 1,117 reviewsSuperior quality compared to other synthetic gear lubes
I've been using Amsoil Severe Gear for years in all my equipment including my previous HTM 850 HP Boat. I used 75W-110 in my Bravo 1 OD and never had a problem. Sure you can find various brands of synthetic oil going to chain stores or auto parts stores but none offer the proven protection of Amsoil products IMHO.
Independent AMSOIL Dealer #1858536. Product information sourced from AMSOIL. Visit AMSOIL.com for the most current product details and availability.