TOP DOG XDO is a heavy duty high performance, OEM approved diesel engine oil meeting the latest in lubrication technology formulated for Australia_s harsh environment meeting OEM requirements from Mack, Volvo, Detroit and Cummins. It provides superior protection against engine wear and sludge build up ensuring a cleaner engine. TOP DOG XDO offers extended drain intervals, reduced oil consumption and excellent low temperature viscometrics for reduced wear on start up. TOP DOG XDO is recommended for US, European and Japanese four stroke heavy duty diesel engines including the latest generation of highly tuned emission controlled engines including those with exhaust gas recirculation systems and SCR treatment systems. TOP DOG XDO is suitable where extended drain intervals are required (supported by routine oil analysis) and for equipment operating under the most extreme conditions. TOP DOG XDO is also suitable for stationary engines, petrol engines and 4WD_s making it an ideal mixed fleet oil. It is suitable for use as a hydraulic oil where a 15W-40 is called for and as a transmission oil where the Allison C3/C4 specification is required. TOP DOG XDO is not recommended for engines fitted with diesel particulate filters.
TOP DOG XDO is a heavy duty high performance, OEM approved diesel engine oil meeting the latest in lubrication technology formulated for Australia_s harsh environment meeting OEM requirements from Mack, Volvo, Detroit and Cummins. It provides superior protection against engine wear and sludge build up ensuring a cleaner engine. TOP DOG XDO offers extended drain intervals, reduced oil consumption and excellent low temperature viscometrics for reduced wear on start up. TOP DOG XDO is recommended for US, European and Japanese four stroke heavy duty diesel engines including the latest generation of highly tuned emission controlled engines including those with exhaust gas recirculation systems and SCR treatment systems. TOP DOG XDO is suitable where extended drain intervals are required (supported by routine oil analysis) and for equipment operating under the most extreme conditions. TOP DOG XDO is also suitable for stationary engines, petrol engines and 4WD_s making it an ideal mixed fleet oil. It is suitable for use as a hydraulic oil where a 15W-40 is called for and as a transmission oil where the Allison C3/C4 specification is required. TOP DOG XDO is not recommended for engines fitted with diesel particulate filters.
Gulf Western 15W-40 Top Dog XDO Engine Oil 6 L
TOP DOG XDO is a heavy duty high performance, OEM approved diesel engine oil meeting the latest in lubrication technology formulated for Australia_s harsh environment meeting OEM requirements from Mack, Volvo, Detroit and Cummins. It provides superior protection against engine wear and sludge build up ensuring a cleaner engine. TOP DOG XDO offers extended drain intervals, reduced oil consumption and excellent low temperature viscometrics for reduced wear on start up. TOP DOG XDO is recommended for US, European and Japanese four stroke heavy duty diesel engines including the latest generation of highly tuned emission controlled engines including those with exhaust gas recirculation systems and SCR treatment systems. TOP DOG XDO is suitable where extended drain intervals are required (supported by routine oil analysis) and for equipment operating under the most extreme conditions. TOP DOG XDO is also suitable for stationary engines, petrol engines and 4WD_s making it an ideal mixed fleet oil. It is suitable for use as a hydraulic oil where a 15W-40 is called for and as a transmission oil where the Allison C3/C4 specification is required. TOP DOG XDO is not recommended for engines fitted with diesel particulate filters.
TOP DOG XDO is a heavy duty high performance, OEM approved diesel engine oil meeting the latest in lubrication technology formulated for Australia_s harsh environment meeting OEM requirements from Mack, Volvo, Detroit and Cummins. It provides superior protection against engine wear and sludge build up ensuring a cleaner engine. TOP DOG XDO offers extended drain intervals, reduced oil consumption and excellent low temperature viscometrics for reduced wear on start up. TOP DOG XDO is recommended for US, European and Japanese four stroke heavy duty diesel engines including the latest generation of highly tuned emission controlled engines including those with exhaust gas recirculation systems and SCR treatment systems. TOP DOG XDO is suitable where extended drain intervals are required (supported by routine oil analysis) and for equipment operating under the most extreme conditions. TOP DOG XDO is also suitable for stationary engines, petrol engines and 4WD_s making it an ideal mixed fleet oil. It is suitable for use as a hydraulic oil where a 15W-40 is called for and as a transmission oil where the Allison C3/C4 specification is required. TOP DOG XDO is not recommended for engines fitted with diesel particulate filters.
in 5 offers
The lowest price for Gulf Western 15W-40 Top Dog XDO Engine Oil 6 L right now is $51.79 at Automotive Superstore, compared across 5 retailers.
The all-time low was $8.00 on 3 Sept 2026 — today's price is 547% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 3 Nov 2026.
Last updated at 03/11/2026 05:02:07
Gulf Western 30612 Top Dog XDO 15W-40 Engine Oil 6L
Delivery between 4–16 Nov $10.95
Gulf Western Top Dog XDO 15W40 6 Litres Engine Oil
Delivery between 9–12 Nov $8.80
TOP DOG XDO, 6 / 15W40 / AOU CI4/SL
Delivery between 6–16 Nov $79.50
GULF WESTERN TOP DOG XDO 15W-40 ENGINE OIL 6L
Delivery between 11–16 Nov $25
6 x Gulf Western Top Dog XDO 15W-40 CI-4/SL Premium Diesel Engine Oil 1L
Free delivery between 6–16 Nov
| Viscosity | 15W-40 |
| Form Configuration | Oil |
| Form | Liquid |
| Material | Mineral |
| Intended Use | Automotive |
Gulf Western 30612 Top Dog XDO 15W-40 Engine Oil 6L
Delivery between 4–16 Nov $10.95
Gulf Western Top Dog XDO 15W40 6 Litres Engine Oil
Delivery between 9–12 Nov $8.80
TOP DOG XDO, 6 / 15W40 / AOU CI4/SL
Delivery between 6–16 Nov $79.50
GULF WESTERN TOP DOG XDO 15W-40 ENGINE OIL 6L
Delivery between 11–16 Nov $25
6 x Gulf Western Top Dog XDO 15W-40 CI-4/SL Premium Diesel Engine Oil 1L
Free delivery between 6–16 Nov
| Viscosity | 15W-40 |
| Form Configuration | Oil |
| Form | Liquid |
| Material | Mineral |
| Intended Use | Automotive |
