Engine Oils
Product Data
castrol.com/GPS
800 255 4417
May 2025
GPS
Castrol
®
VECTON
®
5W-40 CK-4/SN
Castrol VECTON 5W-40 CK-4/SN is an advanced heavy-duty diesel and
natural gas engine oil that is specifically engineered to deliver longer useful oil
life. 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.
Castrol VECTON 5W-40 CK-4/SN is recommended for use in applications
requiring API CK-4 or SN and is API service backward compatible where a SAE
5W-40 viscosity grade is required.
Advantages
Castrol VECTON 5W-40 CK-4/SN with System Pro Technology™ delivers up to
45% extra performance reserve* for longer useful oil life, giving you confidence
in your maximum drain interval .
Modern trucks use new technologies to make as much as 30% higher torque, but that also brings higher
engine temperatures and pressures. is punishes the oil, pushing it closer to breakdown and reducing its
useful life. VECTON with System Pro Technology is formulated with extra performance reserve to fight oil
breakdown by:
• Controlling oxidation and deposits
• Neutralizing harmful acids
• Maintaining viscosity
Industry Approvals and OEM Specifications
• API CK-4/SN
• CAT ECF-3
• Cummins CES 20086
• DDC DFS 93K222
• Meets Ford WSS-M2C171-F1
• RVI RLD-3
• Volvo VDS-4.5
*compared to API and ACEA industry requirements and based on tests conducted on 81% of the Castrol VECTON range
by volume using 12 months sales up to March 2017
B10