1.2.1 Engine type designations
(1) Basic type
74 = cylinder displacement, decilitres
A = aftertreatment system
(2) Turbocharged engine
W = wastegate turbo
T = standard turbo
(3) Equipped with intercooler
I = air to air
(4) C = medium duty engine
G = generating set engine
M = marine engine
Fig. 1
1. Introduction
1-6 4th Generation Engines
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