Product Performance Claims
API CH-4

A 20W-50 motor oil is typically used in older vehicles or in particularly warm climates. Castrol GTX 20W-50 has been specially formulated to help extend the life of your engine by keeping it free from sludge, even when operating in extremely high temperatures.

Performance
ACEA E7
API CI-4/SL
CAT ECF-2
Cummins CES 20077, CES 20078
DDC Powerguard 93K215
Deutz DQC III-10
Mack EO-M Plus, EO-N
MB-Approval 228.3,
MTU Oil Category 2
RVI RLD-2
Volvo VDS 3
Meets requirements of MAN M 3275-1