For Heavy-Duty, Long-Drain Service in Railroad Diesel Engines

Made from highly refined select base oils, LE's Ultra RDE Oil was designed to protect silver alloy bearings in modern high-efficiency diesel engines from wear and contamination. In addition to increasing the engine lifespan, Ultra RDE improves fuel efficiency and significantly reduces oil consumption.

Lubrication Engineers operates under an ISO 9001 Certified Quality System.

Unit of Measure

Benefits and Recommendations

Available Container Size

N/A 330-gal Poly w/Cage

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GHS Statement

N/A For commercial and professional use only

Performance Requirements Met or Exceeded

  • EMD Railroad Diesel Engines
  • GE Railroad Diesel Engines (Generation 4 Long Life)
  • Caterpillar 3600 mixed fleet operation
  • LMOA Generation 5
  • API CD, CF, CF-2 (only monograde)

Typical Applications

  • Railroad diesel engines

Beneficial Qualities

N/A Protects Engine, Reduces Wear & Improves Fuel Efficiency
  • Keeps engines clean with high detergency level
  • Keeps oil rings and screens clean, open and free-flowing
  • Provides exceptional rust protection
  • Prevents bearing corrosion
  • Protects against high-temperature varnish in heavy-duty operation
  • Prevents foam buildup in service
  • Reduces exhaust stack spattering and the resulting housekeeping mess

Asset Reliability Solutions

N/A Reliability Solution Products

Customer Testimonials

N/A 8900 Freson Farming

Physical Characteristics - Typical


N/A Red

SAE Grade

N/A 40

Performance Test Results

Gravity, ºAPI ASTM D1298

N/A 27.9

Viscosity @ 100°C, cSt, ASTM D445

N/A 14.4

Viscosity @ 40°C, cSt, ASTM D445

N/A 140

Viscosity Index ASTM D2270

N/A 95 min.

Viscosity-HTHS @ 150ºC, cP, ASTM D4684

N/A 3.7 min.

Flash Point °C (°F), (COC), ASTM D92

N/A 238 (460)

Fire Point ºC (ºF), (COC), ASTM D92

N/A 260 (500)

Pour Point °C (°F), ASTM D97

N/A -9 (15)

Base Number ASTM D2896

N/A 13.0