OZ 5934 is a zinc-free and chlorine-free additive package designed for formulating monograde (SAE 40) or multi-grade (SAE 20W-40 and Railroad Multi-grade) crankcase lubricants for medium-speed railroad diesel engines and similar applications. Formulations prepared with OZ 5934 are fully approved by General Electric (GE) and General Motors Electro-Motive Division (EMD). When used with approved viscosity modifiers and base stocks, lubricants formulated with OZ 5934 meet the performance standards of LMOA Generation 5 and GE Generation 4 Long Life specifications.
Performance Features
- Zinc-free and chlorine-free for enhanced environmental compatibility
- Approved by GE and GM EMD for railroad applications
- Meets LMOA Generation 5 and GE Generation 4 Long Life performance levels
- Provides excellent high-temperature stability, detergency, and wear protection
- Compatible with a variety of viscosity modifiers and base stocks
Applications
- Railroad locomotive engine oils
- Medium-speed diesel engines in rail and industrial service
- Suitable for both monograde (SAE 40) and multigrade (SAE 20W-40, Railroad Multigrade) formulations
Recommended Dosage
- Typical treat rate: 2% to 15.2% by weight, depending on the targeted viscosity grade and performance requirements
Typical Properties
- Density @ 15 °C: 0.961 g/cm³ (ASTM D4052)
- Flash Point (COC): 180 °C (ASTM D92)
- Kinematic Viscosity @ 100 °C: 75 mm²/s (ASTM D445)
- Calcium: 3.4 wt% (ASTM D4927)
- Sulphated Ash: 12.3% (ASTM D874)
- Nitrogen: 0.59 wt% (ASTM D3228)
- TBN: 113.4 mg KOH/g (ASTM D2896)
- Sulfur: 0.83 wt% (ASTM D1552)
- Zinc: 12 ppm (ASTM D4927)
Packaging and Storage
- Packaging: Supplied in 200 kg net weight drums
- Storage: Keep below 75 °C during short-term handling. For long-term storage, maintain below 45 °C in a dry, clean, and ventilated warehouse
Shelf life: Minimum of 2 years under recommended conditions
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