Our Recommendation

Make
CATERPILLAR
Model
C3520B S/N TPC00001 & Up (Gas Engines)
Engine
CNG
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Application
Recommendation
Capacity (ltr)
Engine (CNG) (Sump)
  (a, b)
541
Coolant (Jacket/Aftercooler)
  (c)
270 / 17.5

Lubricant / Capacity Notes

a.
0°C to 40°C
b.
Alternative recommendations, 5°C to 50°C: EO CAT NGEO EL350 40; EO CAT NGEO 40
c.
Mix ratio, 50% >-37°C

General Notes

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Oil Change Intervals

Engine (CNG) (Sump)
Hours Max
1000
Coolant (Jacket/Aftercooler)
Months Max
36