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The MPI HSP46 is a four-axle AC-traction diesel-electric locomotive for commuter trains, designed and assembled by MotivePower.It meets EPA Tier 3 emissions standards. The launch customer is the Massachusetts Bay Transportation Authority (MBTA), whose first unit entered revenue service in April 2014.
[3] Engine speed must be greater than 15% above idle speed; Engine torque must be greater than or equal to 30% of maximum torque. Engine power must be greater than or equal to 30% of maximum power. Vehicle altitude must be less than or equal to 5,500 feet (1,700 m).
The following is a list of diesel-electric locomotives that meet or exceed EPA Tier 3 locomotive emissions regulations. Subcategories This category has only the following subcategory.
It is designed to both meet the EPA's stringent Tier 4 emissions standard and offer higher performance than the MP40PH-3C. The MP54AC is a genset locomotive , using a pair of Cummins QSK60 60-liter, 16-cylinder engines rated at 2,700 hp each (5,400 hp total) and during periods of low power demand, the locomotive can operate on just one engine ...
In 2007, BEC unveiled its CoGeneration [clarification needed] locomotives with up to 2,100 horsepower (1,600 kW), generated through the use of three low-emission diesel engines. The use of three clean-burning EPA Tier-3 engines offers a "Power on Demand" feature where engines come on-line as power needs are realized.
The following is a list of diesel-electric locomotives that meet or exceed EPA Tier 2 locomotive emissions regulations, sorted by builder. This is a non-exhaustive list of locomotives in North America.
Bharat (CEV) Stage III—These standards are based on US Tier 2/3 requirements. The standards are summarised in the following table: The limit values apply for both type approval (TA) and conformity of production (COP) testing. Testing is performed on an engine dynamo-meter over the ISO 8178 C1 (8-mode) and D2 (5-mode) test cycles. The Bharat ...
GE 7FDL-12, 12-cylinder engine used in locomotives, such as the GE P32AC-DM [2] GE 7FDL-16, 16-cylinder engine used in locomotives, such as the GE AC4400CW [3] GEVO series (bore 250mm, stroke 320mm [4]) GE GEVO-6, 6-cylinder engine used in locomotive repower/modernization applications [5]