Sun Coast 650+ Horsepower 6R140 Transmission Assembly

The Sun Coast 650+ Horsepower 6R140 Transmission Assembly is designed for Ford Super Duty trucks that require increased power handling and durability. This assembly features upgraded components and improved materials for reliable performance under demanding conditions.

• New Carbon Graphitic Clutches: For increased durability and performance.
• Custom Machined Steels: Provides enhanced strength and reliability.
• Improved 4-5-6 Overdrive Clutch Pack: Offers better shift quality and power handling.
• Increased Overdrive Clutch Count: Capable of handling higher power levels.
• Custom Machined Overdrive Apply Piston: Ensures precise operation.
• New Gasket, Seal, & O-Ring Sealing Kit: Reliable sealing and reduced leaks.
• New Transmission Filter Kit: Maintains fluid cleanliness.
• New Pump Bearing: Prevents failures and ensures reliable operation.
• Sun Coast Patented Damper: Reduces noise and improves shift quality.
• New Factory Recalibrated Valve Body: Optimized for performance.
• New Motorcraft Pump: High-quality replacement for dependable function.
• Billet SFI Certified Flexplate: Provides increased strength and durability.
• Deep Mag-Hytec Transmission Pan: Increases fluid and cooling capacity.

The Sun Coast 650+ Horsepower 6R140 Transmission Assembly is built to withstand the demands of high-performance Ford Super Duty trucks. It features all-new carbon graphitic clutches and custom-machined steels, which are designed to deliver greater durability and reliability under increased power levels. The assembly includes an improved 4-5-6 overdrive clutch pack with a higher clutch count, ensuring better shift quality and the capability to handle greater torque and horsepower.

A custom-machined overdrive apply piston is included for precise operation, and a complete gasket, seal, and O-ring sealing kit ensures reliable sealing and minimizes leaks. To keep the transmission fluid clean, a new transmission filter kit is provided. Additionally, a new pump bearing is included to prevent failures and maintain proper lubrication.

Sun Coast’s patented damper technology helps reduce noise and improve shift quality. The factory recalibrated valve body is optimized for performance, and the new Motorcraft pump ensures dependable function. The billet SFI certified flexplate contributes to increased strength and durability.

The deep Mag-Hytec transmission pan increases fluid capacity and improves cooling, which extends the life of the transmission. The 6R140 Torqshift transmission features a one-piece bell housing for added rigidity, a deep first gear for towing, and double overdrive gears for improved fuel efficiency. Its geartrain design includes a simple gearset, Ravigneaux gearset, and powder-metal carrier, which contribute to its strength and efficiency.

Sun Coast has also addressed common transmission issues by incorporating a new 4-5-6 clutch hub with a damper assembly and high-friction materials. This design ensures reliable operation even with high power outputs. This transmission assembly is well-suited for those who need a performance upgrade to handle demanding applications with improved durability and efficiency.