General Specifications

2021 Ford Transit-250 Base, Van Crew Extended, 3.5L Eng VIN G, RWDSECTION General Specifications
Item Specification
3.5L Duratec 3.5L EcoBoost - Primary 
Rating 250 amps
Generator amps at 80.6°F (27°C) 138 amps at 670 rpm (min) to 255 amps at 2, 245 rpm (max)
Generator pulley ratio 2.66:1
Voltage regulator type LIN (Local Interconnect Network) controlled
3.5L Duratec 3.5L EcoBoost - Secondary, if equipped 
Rating 250 amps
Generator amps at 80.6°F (27°C) 138 amps at 740 rpm (min) to 255 amps at 2, 465 rpm (max)
Generator pulley ratio - 3.5L Duratec 2.45:1
Generator pulley ratio - 3.5L EcoBoost 2.42:1
Voltage regulator type LIN (Local Interconnect Network) controlled
RENDER: 1.0x

NO RELATED

Recommended Tools & Savings

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Affiliate disclosure: We may earn a commission at no extra cost to you.

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.