1064442SM TowMaster 4R100 Transmission & Converter Package

When you purchase a BD transmission and torque converter package, you are getting a matched set that has been dyno tested together for ultimate performance, and reliability. Every transmission comes with BD's own Heavy Duty pan that adds extra fluid capacity. For towing, street or track, when it comes to a dependable transmission that will stand up to your diesel's power and torque demands, the clear choice is BD.

TRANSMISSION:

• Increase the durability of your drivetrain
• BD aluminum HD deep pan, increases oil capacity by 6qt
• Re-calibrated accumulator body
• Quicker, firmer shifts
• Full shift kit with line mod valve to increase pressures
• Increased pressure to converter
• Added lube circuits to OD planet
• Added lube and support to output and intermediate shafts
• Drilled and tapped direct and intermediate feeds to prevent leaks at case
• Upgraded OD snap ring
• Machined center support
• Reworked front pump
• Fully rollerized geartrain
• Clutch Count: COAST CLUTCH 2
• Clutch Count: FORWARD 5 (25% increase over stock)
• Clutch Count: DIRECT 5
• Clutch Count: LOW REVERSE 7 (17% increase over stock)
• Clutch Count: INTERMEDIATE 4 (33% increase over stock)
• Clutch Count: OVERDRIVE 4 (33% increase over stock)
• Each transmission is dyno tested
• 1990-2003 include auxiliary frame mounted full flow filter kit

TORQUE CONVERTOR:

• Enhanced Stall - Street/Towing applications
• Torque multiplying cast aluminum stators
• Lower rpm response than the stock converter
• More efficient operation
• Less heat and better fuel economy
• Stamp-forged steel front cover
• Furnace-brazed fins
• Up to triple the amount of lock-up clutch material

• 5 Hours

• 36-Months
• 150,000 Miles

• 12-Months
• 24,000 miles

• No Race abuse covered. Remote filter required for inspection with cooler flow rate in GPM at Oil/Air transmission cooler outlet.

• Does not have PTO provision
• Excursion requires use of factory style transmission pan. BD Deep Pan will interfere with factory crossmember

• This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. (EMS:4)