TC Remanufacturing HD3687-6-2 Automatic Transmission Torque Converter

Overview of TC Remanufacturing HD3687-6-2 Torque Converter

The TC Remanufacturing HD3687-6-2 is an automatic transmission torque converter designed for select Ford heavy-duty vehicles. Engineered to meet specific fitment requirements, this torque converter supports smooth power transfer and reliable lock-up performance in Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty models.

• Compatible with Ford E-350 Club Wagon, E-350 Super Duty, Excursion, F-250 Super Duty, and F-350 Super Duty
• Multi disc lock-up converter type for improved efficiency
• 12.750 inch converter diameter with 11.375 inch bolt circle
• 31 spline count and milled flats hub type for secure fitment
• Stud mounting type with 1.375 inch pilot diameter
• Converter codes: 6mm, ww9
• Stall speed range between 1300-1500 RPM
• Part number HD3687-6-2 for precise identification

Detailed Product Description

The HD3687-6-2 torque converter from TC Remanufacturing is built to exacting standards for Ford heavy-duty trucks and vans. Featuring a multi disc lock-up design, it enhances transmission efficiency by reducing slippage during lock-up, which can improve fuel economy and reduce heat generation. The 12.750 inch diameter and 11.375 inch bolt circle ensure proper alignment and fitment within the transmission housing. The milled flats hub type combined with a 31 spline count provides a secure connection to the transmission input shaft, while the stud mounting type simplifies installation. The converter codes 6mm and ww9 correspond to specific internal configurations that match OEM specifications. With a stall speed range of 1300-1500 RPM, this torque converter is optimized for the torque characteristics of Ford's heavy-duty automatic transmissions.

Applications and Problem Solving

This torque converter is compatible with the following Ford models:

• Ford E-350 Club Wagon
• Ford E-350 Super Duty
• Ford Excursion
• Ford F-250 Super Duty
• Ford F-350 Super Duty

It addresses common transmission issues such as:

• Excessive slippage during acceleration
• Overheating of the transmission fluid
• Delayed or harsh lock-up engagement
• Vibration or shuddering at lock-up
• Reduced fuel efficiency due to inefficient torque transfer

Installation Notes and Tips

• Ensure the torque converter matches the transmission model and vehicle specifications before installation
• Verify the bolt circle and spline count compatibility with the transmission input shaft
• Check the pilot diameter and mounting studs for proper alignment
• Use manufacturer-recommended transmission fluid and follow torque specifications for mounting bolts
• Inspect the transmission pump and seals for wear during installation to prevent leaks

Quality Assurance and Warranty

TC Remanufacturing provides this torque converter with a focus on durability and OEM-level performance. Each unit undergoes rigorous testing to meet industry standards for remanufactured transmission components. Warranty coverage details should be confirmed with the distributor or installer, as terms may vary. The HD3687-6-2 part number ensures traceability and compatibility with specified Ford heavy-duty models.