Description
BD Diesel
When you purchase a BD Diesel Performance Transmission and Torque Converter package, you receive a matched set that is dyno tested together for maximum performance and long-term reliability. Every transmission includes BD’s Heavy Duty transmission pan, adding extra fluid capacity for improved cooling and durability.
Whether your truck is built for towing, street driving, or track use, BD delivers a proven transmission solution engineered to stand up to your diesel’s power and torque demands.
This upgraded transmission is built to handle increased power while maintaining durability and consistent performance.
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Increased clutch capacity compared to stock and competing units
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Billet intermediate shaft engineered for higher horsepower applications
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Upgraded input shaft, TIG welded to prevent common OEM weld failures under heavy load
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BD patented pressure plates increase clutch count without sacrificing component strength
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Brand new valve body for improved hydraulic control
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Electronic Line Pressure Controller capable of delivering up to 300 PSI line pressure
Clutch Counts
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Forward: 6 clutches (20 percent increase over stock)
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Direct: 6 clutches (20 percent increase over stock)
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Intermediate: 8 clutches (60 percent increase over stock)
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Overdrive: 8 clutches (14 percent increase over stock)
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Low Reverse: 5 clutches
Pressure Controller
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Provides 76 percent more theoretical holding power
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Delivers up to 300 PSI line pressure at wide open throttle
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Activates only when boost exceeds 15 PSI, unlike solenoid foolers or plugs that remain active at all times
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Does not create parasitic load or excess heat when inactive
Torque Converter
Designed for heavy towing and higher horsepower applications while maintaining smooth drivability.
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Captured clutch design for smooth engagement and street-friendly operation
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Four surface clutch assembly doubles OEM friction area
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Increased steel count improves heat dissipation
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23 percent larger piston area for increased clutch clamping force
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Billet bearing hub, piston, and clutch retainer
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Stamp-forged one-piece cover
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Furnace-brazed pump and turbine fins for added strength and efficiency
Core Charge Option 1: Customer to send in core to receive product
Core Charge Option 2: Additional payment is sent in, new products are delivered, additional payment is returned when core is received.
SEE CORE RETURN POLICY






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