Suitable for Western Star 4900 SA (2004–2007)

For the Western Star 4900 SA (2004–2007), the manufacturer specifies motor oil 15W-40 (ACEA A3/B4, ACEA E11, ACEA E7).

Fluids and approvals for the Western Star 4900 SA (2004–2007)

FluidRequirement
Motor oil15W-40: ACEA A3/B4, ACEA E11, ACEA E7
Axle & differential oil75W-140, 75W-90, API GL4, API GL5
Power steering fluidAllison TES 389, Caterpillar TO-2