sprinterguy
Established Member
Why wouldn't they be? They replaced first generation DMUs (and some loco-hauled). As Neil Williams says, they were built not long after the 158s/159s.Are the Turbos even considered second-generation? They're definitely not based on a Mark 3 or any contemporary design of the '80s.
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Third generation" DMUs will be whatever replaces the second generation units, and at present no new DMU order has resulted in the withdrawal of second generation units (some displacement, as with the TPE 185s releasing 158s, but not complete replacement). With the modern Bombardier DMUs in particular, there is a clear design lineage with pre-privatisation designs such as the Network Turbos. Some post-privatisation DMU designs, such as the class 175s, still directly replaced first generation DMUs and loco-hauled trains.I've seen 170s described as 2nd generation on these forums. I've always considered anything post-privatisation to be the "3rd generation".
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