Guardian 450HP 6R140 Towing Transmission with Converter

Features:

• Superior durability and heat resistance
• Enhanced holding power under load
• Reduces wear and improves shift quality
• Prevents leaks and maintains system integrity
• Strengthens internal lubrication and reduces failure risks

Unmatched Strength and Reliability for Heavy-Duty Towing

The SunCoast Guardian 450HP 6R140 Towing Transmission is built to handle the demands of 2011-2016 Ford 6.7L Powerstroke owners who rely on their trucks for towing, hauling, and work applications. Designed for those who push their trucks to the limit, this transmission delivers exceptional durability, enhanced shifting performance, and increased longevity. With upgraded clutch packs, steels, and a recalibrated valve body, the Guardian 6R140 is engineered to keep your truck running strong and smooth, no matter the load. Whether you're pulling a trailer up a steep incline or cruising down the highway, this transmission is designed to outperform and outlast the stock unit.

Precision Engineering for Superior Performance

SunCoast has reinvented the 6R140, addressing its factory weak points with precision-machined components and patented dampener technology. The reinforced 4-5-6 Overdrive Clutch Pack provides smoother, firmer shifts while reducing wear and tear under heavy loads. The custom-machined overdrive apply piston ensures consistent engagement, minimizing slippage and heat buildup. Additionally, the redesigned clutch hub with sound absorption technology eliminates the dreaded 3-4 shift "squawk," ensuring a quieter and more controlled driving experience. The inclusion of a new Motorcraft pump, gasket seal kit, and filter kit ensures leak-free operation and long-term reliability, making this transmission a must-have for serious towing applications.

Guardian Torque Converter – Maximum Efficiency and Power Transfer

Included with the transmission is the SunCoast Guardian Torque Converter, a game-changer in power delivery and efficiency. Unlike the stock converter, which struggles under high-torque conditions, the SunCoast Guardian features a long-travel, high-capacity turbine damper, designed to absorb harsh torque spikes and provide smoother power transfer. This results in reduced drivetrain shock, improved throttle response, and greater overall efficiency. Whether you're towing at max capacity or daily driving, this converter ensures less heat buildup and prolonged transmission life, keeping your truck performing at its best.

Fitment: 2011, 2012, 2013, 2014, 2015, 2016 Ford 6.7L Powerstroke

Application Notes:

• $2,750 Core charge applies.