| PL42AC | 
|---|
|  | 
| | Type and origin | 
|---|
 | Power type | Diesel-electric | 
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 | Builder | Alstom, EMD | 
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 | Model | PL42AC | 
|---|
 | Build date | 2003–2006 | 
|---|
 | Total produced | 33 | 
|---|
 | 
|  | 
| | Performance figures | 
|---|
 | Maximum speed | 100 mph (160 km/h) | 
|---|
 | Power output | 
At alternator: 4,200 hp (3.1 MW)At rail: 3,620 hp (2.70 MW) MAX with HEP on
 | 
|---|
 | Tractive effort | starting: 69,975 lbf (311.26 kN) continuous: 27,000 lbf (120 kN)
 | 
|---|
 | 
|  | 
| Sources: except where noted | 
The Alstom PL42AC is a class of four axle B-B diesel-electric locomotive designed by Alstom in association with GM-EMD. 33 were built between 2003 and 2006 for NJ Transit Rail Operations.