5% off
C6 Heavy Duty Performance Transmission 4WD, BLACK BEAST DIESEL with Free Transmission Fluid
C6 Heavy Duty Performance Transmission 4WD, BLACK BEAST DIESEL with Free Transmission Fluid


C6 Heavy Duty Performance Transmission 4WD, BLACK BEAST DIESEL with Free Transmission Fluid

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Equipped with a Manual/Automatic valve body, most units allow you to manually shift the vehicle into each gear change or, by placing it in the drive position, remain fully automatic. Now Includes the best Full Synthetic Transmission Fluid on the Market provided by Burn Rubber Brewing Co. For Free!

1649.00
$1,727.25
$78.25(5%)
Product Available
MG4-C6DSL

Questions? Call Us 800-708-0087

Build Your Order Online

Torque Converter
Converter Pilot Size
Vehicle Year
Shift Firmness
Case Type
Case Color (shades may vary*)
Pan Style
Output Shaft Length (End of case to end of shaft)
Linkage
Universal Linkage Included. NOTE: You may need to swap with your original linkage prior to vehicle installation*
Core and Warranty Options (Please Select One)
Note: A core deposit is required on this product please choose an option below
A) We'll pick up and Build Your Original Core - 3 Yr Warranty activated when order ships (+$200.00)
C) No Core will be returned - Pay Core Fee to Activate 3 Yr Warranty (+$1,200.00)
White Glove WOWanty Upgrade
Popular Accessories
Free 12 Qts. of Burn Rubber Brewery Premium Synthetic Trans Fluid
Torque Converter Nuts (+$14.99)
Transmission Flush - Dr. Tranny Kooler Kleen (+$19.98)
Trans Cooler Kit #1403 (+$49.95)
Fillertube & Dipstick (+$84.99)
Give Me A Name
Be a MonSTAR and Upload a picture of your vehicle.
Time commitments may vary as this is a custom built transmission

Due to a requirement of very specific measurements of the tail shaft, your core is required to build this unit. If you are unable to provide us with your core, we do have other options available. Please give us a call at 1-800-708-0087 and we will be more than happy to help get you back on the road!

Every Black Beast Diesel transmission is custom made to order!  There are many varying components that go in to each and every unit.

Call us at 800-708-0087 to ensure the proper build to suit your needs and application! 

Black Beast Diesel Transmissions
Engineered to Dominate, the Black Beast Diesel C6 transmission is tough enough to withstand the rigors of even the toughest trucks delivering heavy duty towing and hauling capacity. Equipped with a Manual/Automatic valve body, most units allow you to manually shift the vehicle into each gear change or, by placing it in the drive position, remain fully automatic. In either mode, you get a racetrack shift that bangs through the gears giving you all the right to say "Eat My Shift!". When you use the manual gear selection feature, the Black Beast Diesel C6 upshifts and downshifts when you move the shift lever. When you select the normal drive position, the transmission retains its firm, automatic shifts for the ease of driving you look for in an automatic transmission.

The Black Beast Diesel Transmission features: the latest technology in our industry with only the best internal components for increased strength, dependable performance and monster torque capacity. All Monster transmissions are custom made in the USA and quality checked to ensure your peace of mind. For the system to operate properly, all throttle linkage, vacuum lines and kick-down components must be connected and adjusted properly.

 OVERHAUL KIT
 SUPERIOR HIGH PERFORMANCE SHIFT REPROGRAMMING KIT
 SUPER PUMP
 DIRECT/REVERSE INPUT DRUM
 FORWARD CLUTCH HOUSING
 UPDATED/MODIFIED ACCUMULATORS
 PERFORMANCE SERIES BAND
 UPDATED & MODIFIED GOVERNOR w/SPRING KIT
 RECALIBRATED VALVEBODY
 RECALIBRATED VALVE PLATE FOR SHIFT FIRMNESS
 NEW HIGH FLOW FILTER
 NEW LOW/REVERSE HEAVY DUTY SPRAG
 NEW MODULATOR

*Special Note: If you are planning a direct transmission swap it is recommended to re-use your existing extension-housing and speedometer gear for your new unit. This does not come equipped with a new Speedometer Gear. Certain vehicle specific extension-housings may not be available with this unit. In most cases, you will be required to swap your original extension-housing (this will NOT void your warranty). Please Contact Us to purchase a proper speedometer gear for your application or if you are unsure if your extension-housing will need to be reused.



Why Black Beast?
Your truck is your life. It means everything to you. You ve spent countless hours and dollars upgrading and updating. Now it s time to put in a transmission and you can t seem to find the best. All that power and no way to get it to the wheels. We had the same problem, which is why we created the Black Beast diesel line of transmissions.

Our transmissions are built by some of the best, most experienced technicians in the industry, using the highest quality parts available. Each unit is built to your truck s exact specifications, ensuring that your beast will function at its optimal performance level. We believe in our transmissions and we stand behind them, offering up to a 3 year warranty.

You want your truck to be the biggest and the baddest and you need a transmission to match. Let Black Beast take the wheel.

Power and pride, unmatched.




C6 heavy duty transmission
Very happy with my new transmission. I would highly recommend monster transmission and plan to use them again when it is time to replace the Trans in my other truck.
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