| Bangladesh Railway Class 6600 | |
| Powertype: | Diesel |
| Builder: | Electro-Motive Diesel |
| Buildmodel: | EMD GT42ACL |
| Builddate: | 2019 - present |
| Totalproduction: | 40 |
| Uicclass: | Co-Co |
| Fueltype: | Diesel |
| Primemover: | 12N-710G3B-EES |
| Transmission: | Diesel-electric Microprocessor based AC-AC Transmission |
| Poweroutput: | 3250HP |
| Operator: | Bangladesh Railway |
| Fleetnumbers: | 6601 - 6640 |
| Disposition: | Active |
Bangladesh Railway Class 6600 is a class of 1,676 mm gauge diesel-electric locomotives owned by Bangladesh Railway. There are 40 locomotives of this class, all designed and manufactured by American company Progress Rail's Electro-Motive Diesel subsidiary. Class 6600 locomotives are used on both freight and passenger trains. Those are the strongest and most advanced broad-gauge locomotives in the Bangladesh Railway.[1] [2] [3]
In 2019, Bangladesh Railway ordered broad-gauge diesel-electric locomotives from American manufacturer Electro-Motive Diesel for ৳ 1,123.5 crore. The model of Class 6600 locomotives is EMD GT42ACL. These are equipped with the EM2000 microprocessor control and AC traction motors. The prime mover is 12N-710G3B-EES and wheel arrangement Co-Co. The power is 3,250 hp. The EM2000 microprocessor control has excitation and load control, adhesion control, engine control, diagnostic system and archived unit history data.[1] [2] [3]