GECX 2021, a Tier 4 Evolution Technology ET44AC, leads BNSF ES44C4 and GEXC ES44AC 2012 on General Electric's test track.
| Time and Date: 9:42 AM, Friday, October 16, 2015 | |
| Erie, Erie County, Pennsylvania | |
| Approximate Latitude: 42° 9′ 15″ N (42.15435° ) | |
| Approximate Longitude: 79° 59′ 30″ W (-79.99183° ) | |
| Railroad: East Erie Commercial RR [EEC ] | |
| Subdivision: Test Track | Approximate Milepost: 2.2 |
| Camera Make: Canon | Camera Model: Canon EOS 70D |
| Shutter: 1/500 | Aperture: 9.0 |
| ISO: 400 | Focal Length: 28 mm; FOV: 44.4 deg |
| White Balance: Daylight | Lens Type: EF28-135mm f/3.5-5.6 IS USM |
| Exposure Mode: Manual | Focus Mode: AI Focus AF |
