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General Specifications

Item Specification
2.3L EcoBoost - Base and XLT without trailer tow vehicles 
Rating 150 amps
Generator amps at 80.6 deg. F (27 deg. C) 94.7 amps at 750 rpm (min) to 134.7 amps at 2, 500 rpm (max)
Generator pulley ratio 2.76
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator
2.3L EcoBoost - Limited and XLT with trailer tow vehicles 
Rating 220 amps
Generator amps at 80.6 deg. F (27 deg. C) 112.1 amps at 750 rpm (min) to 177.3 amps at 2, 500 rpm (max)
Generator pulley ratio 2.44
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator
3.0L EcoBoost - All except police vehicles 
Rating 220 amps
Generator amps at 80.6 deg. F (27 deg. C) 98.1 amps at 625 rpm (min) to 180 amps at 2, 500 rpm (max)
Generator pulley ratio 2.69
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator
3.0L EcoBoost - Police vehicles 
Rating 250 amps
Generator amps at 80.6 deg. F (27 deg. C) 106.5 amps at 625 rpm (min) to 199 amps at 2, 500 rpm (max)
Generator pulley ratio 2.69
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator
3.3L Duratec - All except police vehicles 
Rating 200 amps
Generator amps at 80.6 deg. F (27 deg. C) 95.1 amps at 625 rpm (min) to 184 amps at 2, 500 rpm (max)
Generator pulley ratio 2.67
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator
3.3L Duratec - Police vehicles 
Rating 250 amps
Generator amps at 80.6 deg. F (27 deg. C) 106.5 amps at 625 rpm (min) to 199 amps at 2, 500 rpm (max)
Generator pulley ratio 2.67
Generator pulley replaceable Yes
Generator pulley type Overrunning Alternator Decoupler (OAD)
Voltage regulator type Electronic internal with generator