Rymax Raillub ZF 20W-40 Zinc-Free Locomotive Diesel Engine Oil
Rymax Raillub ZF 20W-40 Zinc-Free Locomotive Diesel Engine Oil
Rymax Lubricants · Raillub ZF · Locomotive Diesel Engine Oil · Authorised Distributor
Rymax Raillub ZF 20W-40 is a zinc-free and chlorine-free diesel engine oil for railroad diesel locomotives. Its zinc-free formulation protects silver bearings against corrosion, while strong detergency and dispersancy give excellent engine cleanliness. Also suitable for marine and stationary power generation engines requiring zinc-free oil.
At a Glance
20W-40
SAE Grade
Zinc-Free
Formulation
API CF/CF-2
Performance
17
TBN mg KOH/g
-27°C
Pour Point
Made to Order
Supply
Key Benefits
Engine Cleanliness
Exceptional detergency and dispersancy, including on engine top decks.
TBN Retention
Excellent in-service TBN retention supports extended drain intervals.
Oxidation Stability
High thermo-oxidative stability protects against sludge.
Silver Bearing Safe
Zinc-free and chlorine-free, protecting silver bearings and lowering used oil disposal costs.
Applications
Locomotives
Railroad diesel locomotives, including GE and EMD medium-speed engines.
Marine and Stationary
Marine and stationary power generation engines requiring zinc-free oil.
Other Engines
Detroit Diesel 149 series and stationary engines needing API CF/CF-2.
Specifications and Approvals
Meets
Typical Properties
| Property | Unit | Typical Value |
|---|---|---|
| Viscosity at 100°C | cSt | 15.1 |
| Viscosity Index | - | 120 |
| Pour Point | °C | -27 |
| Flash Point | °C | >201 |
| Density at 15°C | kg/m³ | 899 |
| Total Base Number | mg KOH/g | 17 |
Typical values from the Rymax technical data sheet. These are not a specification.
Data Sheets
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