Paccar MX-13 – Specification, engine oil

Oil specification
(1) See table below for permitted oil viscosity ratings in relation to the ambient temperature

(2) The primary PACCAR recommendation is for the use of 10W30 multigrade lubricating oil for normal operation at ambient temperatures above -15°C [5°F]. For ambient temperatures below -15°C [5°F], SAE 5W30 may be used, provided it meets API CJ-4 oil specifications and biodiesel or biodiesel blended fuel is not used as fuel for the engine. Using a multigrade oil helps improve engine cranking in low temperature conditions, reduces deposit formation and increases engine durability.



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