CHALLENGER (Also see CATERPILLAR) [Tractors] MT425
Crankcase - CAT 3054 Engine
Service Refill Capacity: 6.5* Litres (Includes oil filter)
CASTROL RX SUPER 15W-40 CJ-4/E9 best
Castrol RX Super 15W-40 CJ-4/E9 is an advanced, heavy duty diesel engine oil. It is suitable for use in high speed 4-stroke diesel engines that use a broad range of fuel qualities. It is compatible with diesel engines fitted with EGR and the latest exhaust after treatment systems such as; DPF, DOC and/or SCR.

CASTROL RX DIESEL 15W-40 CI-4 PLUS/E7 better
Castrol RX Diesel 15W-40 CI-4 Plus/E7 is a multi-purpose, heavy duty diesel engine oil. It is suitable for use in high speed 4-stroke diesel engines that use a broad range of fuel qualities. It is also compatible with diesel engines fittedwith exhaust gas recirculation (EGR) systems.

CASTROL VECTON 15W-40 CK-4/E9 good
Castrol VECTON 15W-40 CK-4/E9 with System Pro Technology™ delivers up to 45% extra performance reserve (compared to API and ACEA industry requirements) that fights oil breakdown and also adapts to higher temperatures for longer useful oil life, giving you confidence in your maximum drain interval.

CASTROL RX DIESEL 15W-40 CI-4/E7
Castrol RX Diesel 15W-40 CI-4/E7 is a multi-purpose, heavy duty diesel engine oil. It is suitable for use in high speed 4-stroke diesel engines that use a broad range of fuel qualities. It is also compatible with diesel engines fitted with exhaust gas recirculation (EGR) systems.
Trans./Diff. - Powershift Trans.
Service Refill Capacity: 50 Litres
CASTROL AGRI MP PLUS 20W-40
A quality multi-purpose oil suitable for a wide range of farm applications. Delivering performance and protection for engines, transmissions, wet brakes, hydraulics and front axles. It has also been formulated as a gear lubricant and is ideally suited as a ‘heavy weight’ anti-squawk tractor transmission fluid and as a hydraulic fluid in most farm machinery.
Final Drives
Service Refill Capacity: 5.8 Litres eachCASTROL AXLE AP 85W-140
For use in most passenger car, light & heavy duty truck differentials, final drives, non synchronised manual transmissions, steering gears & other applications where API GL-5, API MT-1 or SAE J2360 performance is required.
Front Axle - Front Axle
Service Refill Capacity: 5.6 LitresCASTROL AXLE AP 85W-140
For use in most passenger car, light & heavy duty truck differentials, final drives, non synchronised manual transmissions, steering gears & other applications where API GL-5, API MT-1 or SAE J2360 performance is required.
Front Final Drives - Planetary Hubs
Service Refill Capacity: 2.0 Litres eachCASTROL AXLE AP 85W-140
For use in most passenger car, light & heavy duty truck differentials, final drives, non synchronised manual transmissions, steering gears & other applications where API GL-5, API MT-1 or SAE J2360 performance is required.
Recommendations are for Passenger Cars Only.
Not all vehicles will have a recommendation.
ANY QUERIES REGARDING YOUR REGO2OIL LUBRICANT RECOMMENDATION OR FOR FURTHER ASSISTANCE CALL THE CASTROL TECHNICAL HELPLINE ON 1300 557 998