OZ 5934 – Railroad Diesel Engine Oil Additive Package

Description
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

Product data sheets can be downloaded via the following link(s):

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