First North Western
Rolling stock

Class
Image
Type
Top speed
Top speed
Number
Built
Class
Image
Type
mph
km/h
Number
Built
101
101692 at Arley.JPG
Diesel multiple unit
75
120
6
1956-1959
142
-
Diesel multiple unit
75
120
79
1985-1987
150
-
Diesel multiple unit
75
120
27
1984-1987
153
153316 at Carlisle.JPG
Diesel multiple unit
75
120
8
1987-1988
156
156427 at Carlisle.JPG
Diesel multiple unit
75
120
18
1987-1989
158
158751 at Westbury.JPG
Diesel multiple unit
90
145
8
1989-1992
175 Coradia
-
Diesel multiple unit
100
160
27
1999-2001
309
-
electric multiple unit
100
161
9
1962-1963
322
-
Electric multiple unit
100
160
4
1990
323
323225 at Manchester Piccadilly.JPG
Electric multiple unit
90
145
17
1992-1993

Question: What type of units are the following First North Western products listed by class:  101, 142, 150, 153, 156, 158, 309 and 323?
Answer: The First North Western`s Class 101, 142, 150, 153, 156 and 158 are diesel multiple units, and Class 309 and 323 are electric multiple units.