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A Technologically Superior Single Grade Engine Oil Designed for Diesel Engines

LE's Monolec® GFS Engine Oils are a family of SAE 20W through 50 straight-grade engine oils formulated for extended drain service in on-road, off-road and marine diesel engines. They contain Monolec®, LE's exclusive wear-reducing additive, which has proven to reduce wear by 24.2% in radioactive wear tests.

Monolec GFS Engine Oil

Lubrication Engineers operates under an ISO 9001 Certified Quality System.
Monolec® GFS Engine Oil 8420-8450
Unit of Measure
Items Pails/Drums/Oil
8450-PL
Monolec® GFS Engine Oil 8450
List Price QUOTE
LE_Oil_Drum
8450-DR
Monolec® GFS Engine Oil 8450
List Price QUOTE
275 gal Disposable Tank (BDS)
8450-BDS
Monolec® GFS Engine Oil 8450
List Price QUOTE
Available Container Size N/A Pail N/A Drum N/A 275 gal disposable tank
Buy this LE Product! N/A Don't See Pricing? Register Today!
Color N/A Red
Beneficial Qualities N/A Technologically Superior
  • Contains high quality base fluid for excellent oxidation resistance and film strength
  • Keeps engines clean with exceptional detergency
    • Controls formation of deposits in piston ring zones and valve areas
  • Protects against rust and corrosion
Long Lasting
  • Exhibits excellent oxidation stability and detergency
  • Delivers longer effective oil life than ordinary engine oil
    • Extends drain intervals
    • Reduces oil consumption
Available SAE Grades
  • 30 (8430)
  • 40 (8440)
  • 50 (8450)
SAE Grade N/A 50
Performance Requirements Met or Exceeded N/A
  • API-SAE Service CF/SJ(Unlicensed)
  • Caterpillar TO-2
  • CCMC D-4, D-5
  • DB 226.0
  • DB 227.0
  • Detroit Diesel Allison C-4
  • Ford ESE M2C-153-E
  • GM 6094M
  • Mack EO-K
  • Mack EO-K/2
  • MIL-L-2104E
  • MIL-L-46152E
  • USDA H2
  • VW 501.01
Asset Reliability Solutions N/A Reliability Solution Products
Customer Testimonials N/A 8450 BP Racing
8450 Larry Gilkison