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General Specifications

WARNING: This page is about a different car, the 2013 Ford F-550 Super Duty, 2013 Ford F-450 Super Duty, 2013 Ford F-350 Super Duty, and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.
Item Specification
Generator, Single (6.2L Base) 
Pulley ratio 2.95:1
Rating 79 amps at 650 RPM (min) to 157 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Single (6.2L Optional) 
Pulley ratio 2.95:1
Rating 119 amps at 650 RPM (min) to 200 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Dual Left (6.7L Primary) 
Pulley ratio 3.09:1
Rating 119 amps at 650 RPM (min) to 200 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Dual Right (6.7L Secondary) 
Pulley ratio 2.71:1
Rating 72 amps at 650 RPM (min) to 157 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Single (6.7L) 
Pulley ratio 3:09:1
Rating 85 amps at 650 RPM (min) to 157 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Single (6.7L Optional) 
Pulley ratio 3.09:1
Rating 119 amps at 650 RPM (min) to 200 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator
Generator, Single (6.8L) 
Pulley ratio 2.95:1
Rating 104 amps at 600 RPM (min) to 175 amps at 2, 000 RPM (max)
Voltage regulator type Electronic internal with generator