Description

Note [1]: Check Owner’s Guide for appropriate viscosity depending on ambient temperature. -18 °C (0 °F) – 10 °C (50 °F) use SAE 10W-30 WSS-M2C171-F1 Below 10 °C (50 °F) use SAE 0W-30 or 0W-40 WSS-M2C171-F1, CJ-4, CI-4 [6] Above -29 °C (-20 °F) use SAE 5W-40 or 0W40 WSS-M2C171-F1, CJ-4, CI-4 [6]

Note [2]: Check Owner’s Guide for appropriate viscosity depending on ambient temperature, duty cycle and biofuel content. Above -7 °C (20 °F) use SAE 15W-40 WSS-M2C171-F1 (except 3.2L Power Stroke® Diesel) Above -29 °C (-20 °F) use SAE 5W-40 or 0W40 WSS-M2C171-F1, CJ-4, CI-4 [6] Above -40 °C (-40 °F) use SAE 0W-30 or 0W-40 WSS-M2C171-F1, CJ-4, CI-4 [6]

Note [3]: Also servicable with SAE 5W-30.

Note [4]: Oils meeting API CJ-4 are also acceptable. Oils showing CK-4 along with CJ-4 in the API Donut are not recommended unless they are approved to WSS-M2C171-F1.

Note [5]: Check Owner’s Guide for appropriate viscosity depending on ambient temperature, duty cycle and biofuel content. Above -18 °C (0 °F) – 10 °C (50 °F) use SAE 10W-30 FA-4 Above -29 °C (-20 °F) use SAE 5W-30 FA-4, or 5W-40 WSS-M2C171-F1, CK-4, CJ-4 Above -40 °C (-40 °F) use SAE 0W-30 or 0W-40 WSS-M2C171-F1, CK-4, CJ-4

Note [6]: Also servicable with SAE 5W-30 FA-4.