C3.3B Tier 4 Interim and EU Stage 3A Engines for Caterpillar Built Machines – Water Temperature Regulator

Table 1
Valve opening temperature	C2.6 - 80 to 84 °C (176 to 183.2 °F) C3.3B - 74.5 to 78.5 °C (166.1 to 173.3 °F)
Fully open temperature	C2.6 - 95° C (203° F) C3.3B - 90 °C (194 °F)

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