Gulf Western 15W-40 TOP DOG XDO is a heavy duty high performing diesel engine oil designed and formulated to meet API CI-4/SL specifications. This oil is designed to work well under Australias harsh conditions whilst being OEM Approved by Cummins, Volvo, Mack and Renault.
Extended drain intervals for more up time
Reduced oil consumption
Greatly reduced engine wear giving extended engine life
Superior sludge & soot control for a cleaner engines
Very good low temperature viscometrics for reduced wear at start up
Ratings & Reviews
Changing Engine Oil and Filter
Keep your engine running smoothly with fresh oil and oil filter.