The 2020-2022 Ford F250, F350, and F450 models equipped with the 6.7L Power Stroke V8 Turbo Diesel engine are paired with the 10-speed 10R140 automatic transmission, which offers enhanced performance, durability, and efficiency, especially for heavy-duty applications like towing and hauling. Below are the key specifications for this transmission:

Transmission Overview:

• Model: 10R140 TorqShift® 10-speed automatic transmission.
• Application: Compatible with the 6.7L Power Stroke V8 Turbo Diesel engine, used in F250, F350, F450 Super Duty trucks.
• Mileage: 19,000 miles (used condition).

Key Specifications:

• Gear Ratios:
  • 1st gear: 4.615:1
  • 2nd gear: 2.919:1
  • 3rd gear: 2.132:1
  • 4th gear: 1.773:1
  • 5th gear: 1.522:1
  • 6th gear: 1.275:1
  • 7th gear: 1.000:1
  • 8th gear: 0.854:1
  • 9th gear: 0.689:1
  • 10th gear: 0.632:1
  • Reverse: 4.695:1
• Transmission Type: Fully electronic 10-speed automatic with torque converter lock-up in all gears.
• Maximum Torque Capacity: Supports the 1050 lb-ft of torque produced by the 6.7L Power Stroke engine.
• Weight: Approximately 470 lbs (dry weight).
• Design: The 10R140 transmission is designed for smooth shifting, greater fuel efficiency, and increased towing capacity due to the optimized gear spacing and transmission software.
• Towing Capabilities: Combined with the 6.7L diesel, this transmission helps the Super Duty models achieve max towing capacities of over 24,000 lbs for certain configurations.
• Cooling System: The transmission includes a robust transmission fluid cooler system, crucial for maintaining optimal temperatures under heavy loads.
• Durability Features:
  • Heavy-duty components designed to withstand intense load and stress.
  • Steel gears and advanced clutches for long-term durability.
  • Overdrive gears to improve fuel efficiency at highway speeds.

Shift Technology:

• Selectable Drive Modes: Features drive modes for different conditions, including Normal, Tow/Haul, Eco, Slippery, and Deep Sand/Snow, which alter transmission behavior to optimize performance for specific scenarios.
• Live Drive Power Takeoff (PTO) Provision: Available on diesel variants, this allows the truck to provide auxiliary power to equipment while stationary or driving.

Transmission Fluid:

• Recommended Fluid: MERCON® ULV Automatic Transmission Fluid.
• Capacity: Approximately 17.2 quarts.

Common OEM Part Numbers:

• Transmission assembly part number: LC3Z-7000-D or similar, depending on the specific Super Duty model and year.

This 10-speed transmission offers a perfect blend of performance, towing power, and fuel efficiency for Ford’s heavy-duty trucks, especially in combination with the 6.7L Power Stroke diesel engine. It’s built to handle high torque output and provide smooth, reliable shifting for demanding tasks.