Comparison ledger
MPI MP32PH-Q, MPI MP54AC, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | MP32PH-QMPI | MP54ACMPI |
|---|---|---|
| OEM | MPI | MPI |
| Category | Passenger locomotive | Passenger locomotive |
| Wafer size | — | — |
| Process node | — | — |
| Introduced | 2013 | 2015 |
| Production run | 2013–2017 | 2015– |
| Lifecycle | Discontinued | Latest locomotive in the MPXpress family |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | MPI MP32PH-Q | MPI MP54AC |
| Cited variants | — |
|
| Specifications | ||
| Prime mover | EMD 16-645E3C (rebuilt)[1] | Pair of Cummins QSK60 60-liter, 16-cylinder engines[1] |
| Power output | 3,200 hp[1] | 5,400 hp total (2,700 hp each engine)[1] |
| Maximum speed | 82–102 mph[1] | 110 mph (180 km/h)[1] |
| Tractive effort | 70,000 lbf[1] | 82,900 lbf (369 kN)[1] |
| Operator | SunRail[1] | — |
| Weight | 285,000–295,000 lb (129,000–134,000 kg)[1] | — |
| Length | 68 ft (20.73 m)[1] | 68 ft (20.73 m)[1] |
| Width | 10 ft 7.5 in (3,238 mm)[1] | 10 ft 7.5 in (3,238 mm)[1] |
| Height | 15 ft 6 in (4,720 mm)[1] | 15 ft 6 in (4,720 mm)[1] |
| Wheel diameter | 3 ft 4 in (1,020 mm)[1] | — |
| Minimum curve radius | 248 ft (76,000 mm)[1] | — |
| Gauge | 4 ft 8+1/2 in (1,435 mm) standard gauge[1] | — |
| Total produced | 11[1] | 16[1] |
| Emissions standard | — | EPA Tier 4[1] |
| Locomotive weight | — | 285,000–295,000 lb (129,000–134,000 kg)[1] |
| Wheel arrangement (AAR) | — | B-B[1] |
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