Off-Road Engine Oils

ENDURON 10W-40

Castrol Enduron 10W-40 is a synthetic technology heavy-duty diesel engine oil designed to allow fleet operators to run their new vehicles to maximum oil drain intervals. 

TECTION 15W-40

Optimal protection for older generation mixed fleet diesel engines.

TECTION GLOBAL 15W-40

Outstanding engine protection for modern mixed fleets.

Tection Monograde SAE 10W

The Castrol Tection Monograde 10W, 30, 40 and 50 lubricants are mineral-based, Monograde diesel engine oils specifically designed to provide effective performance in a number of applications.

Tection Monograde SAE 30

The Castrol Tection Monograde 10W, 30, 40 and 50 lubricants are mineral-based, Monograde diesel engine oils specifically designed to provide effective performance in a number of applications. 

Tection Monograde SAE 40

The Castrol Tection Monograde 10W, 30, 40 and 50 lubricants are mineral-based, Monograde diesel engine oils specifically designed to provide effective performance in a number of applications.