Description
Mobil Delvac Xtreme Grease Series is a premium range of heavy-duty, multi-purpose greases designed to provide exceptional extreme-pressure (EP) protection in demanding commercial vehicle and industrial applications. Manufactured with a high-performance lithium complex thickener system, these greases offer excellent mechanical stability, strong adhesion, and resistance to softening under severe operating conditions.
The series delivers outstanding protection against wear, shock loads, rust, corrosion, oxidation, and water washout, helping extend equipment life and reduce maintenance requirements. Mobil Delvac Xtreme Grease Moly 1 and Moly 2 are fortified with 3% molybdenum disulfide (MoS₂), providing enhanced anti-wear and EP performance for heavily loaded components and high-sliding applications.
Recommended for heavy-duty trucks, construction equipment, mining machinery, and agricultural vehicles, Mobil Delvac Xtreme Grease Series ensures reliable lubrication and long-lasting protection for bearings, pins, bushings, fifth wheels, and other critical components operating under harsh conditions and varying temperatures.
Features and Benefits
Mobildelvac Xtreme Series greases are designed specifically to meet the needs of customers with heavily loaded equipment that require high EP/antiwear performance which remain in place even in tough conditions of water wash, high sliding and high temperature. These greases are targeted especially for over-the-road commercial vehicles (class 1 – 8), agriculture, light-to-medium duty construction, and offer the following features and potential benefits:
| Features | Advantages and Potential Benefits |
|
Advanced thickener formulation |
Extended grease service capabilities with strong tackiness performance, helping give peace of mind especially when re-application is limited |
| Tenacious extreme-pressure and antiwear protection (Mobil Delvac Xtreme Moly products only) | Lower maintenance costs and less unanticipated downtime, fortified with 3% moly (that is, molybdenum disulfide) to help maximize protection against extreme pressure events. |
|
Excellent resistance to rust and corrosion |
Helps protects equipment in the presence of water for reduced maintenance and longer equipment life |
| Excellent resistance to water, including spray off and wash out |
Maintains excellent lubrication of components in presence of heavy water contamination |
Applications
Mobil Delvac Xtreme Grease Moly 1 & 2:
- On-highway commercial vehicle applications from class 1 through 8 (including fifth wheel, and chassis) requiring solid
- Medium to heavy duty off-highway construction applications requiring moly (that is, molybdenum disulfide) or other solid
- Agricultural
Mobil Delvac Xtreme Grease:
- Heavy-duty trucks, especially hinge and bucket pins, U-joints, and fifth wheels
- Mining and construction equipment
- Highly loaded plain and antifriction industrial
Specifications and Approvals
| This product meets or exceeds the requirements of: | MOBIL DELVAC XTREME GREASE MOLY 2 |
| DIN 51825: 2004-06 KPF2N-20L | X |
Properties and Specifications
|
Property |
MOBIL DELVAC XTREME GREASE | MOBIL DELVAC XTREME GREASE MOLY 1 | MOBIL DELVAC XTREME GREASE MOLY 2 |
| Grade | NLGI 2 | NLGI 1 | NLGI 2 |
| Thickener Type | Lithium Complex | Grease – Lithium complex | Grease – Lithium complex |
| Color, Visual | Orange | Gray-Black | Gray-Black |
| Copper Strip Corrosion, 24 h, 100 C, Rating, ASTM D4048 |
1A |
1A |
1A |
| Corrosion Preventive Properties, Rating, ASTM D1743 |
Pass |
Pass |
Pass |
| Dropping Point, °C, ASTM D2265 | 305 | 270 | 295 |
| Four-Ball Extreme Pressure Test, Weld Point, kgf, ASTM D2596 |
315 |
400 |
400 |
| Four-Ball Wear Test, Scar Diameter, mm, ASTM D2266 |
0.5 |
0.5 |
0.5 |
| Penetration, 60X, 0.1 mm, ASTM D217 | 280 | 325 | 280 |
| Viscosity @ 100 C, Base Oil, mm2/s, ASTM D445 | 23.9 | 14.5 | 23.9 |
| Viscosity @ 40 C, Base Oil, mm2/s, ASTM D445 | 320 | 150 | 320 |
| Viscosity Index, ASTM D2270 | 95 | 94 | 95 |
| Water Washout, Loss @ 79 C, wt%, ASTM D1264 |
6 |
12 |
6 |





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