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The BD Diesel 1064754 TowMaster Allison 1000 Transmission is purpose-built for towing and heavy-duty use in 2011–2016 LML Duramax 4WD trucks. Upgraded with a billet input shaft and BD's Allison Pressure Box, this transmission boosts reliability, increases clutch holding capacity, and delivers up to 275 PSI of line pressure. Paired with a deep sump aluminum pan and enhanced friction components, this transmission is the durable upgrade your LML needs.
💰 Refundable Core Deposit: $1,800 USD
⚠️ BD Torque Converter required for warranty coverage – sold separately
Transmission Highlights:
Billet Input Shaft handles high-torque shock loads from aggressive tuning or towing
BD Allison Pressure Box delivers up to 275 PSI line pressure
High energy frictions & increased steel mass improve heat dissipation and durability
HD aluminum deep pan adds 3.5 quarts of fluid for cooler operation
Increased clutch counts across the board:
C1: 8 clutches (+14%)
C2: 7 clutches (+17%)
C3: 7 clutches (+75%)
C4: 7 clutches (+17%)
C5: 7 clutches (+17%)
Every transmission is dyno tested for quality and performance
(BD Diesel Transmissions only have warranty when running a BD Trans & Converter)
2011–2016 Chevrolet Silverado 2500HD/3500HD 6.6L LML Duramax (4WD)
2011–2016 GMC Sierra 2500HD/3500HD 6.6L LML Duramax (4WD)
Designed for use with Allison 1000 automatic transmissions
BD TowMaster Allison 1000 Transmission (with Billet Input Shaft)
BD Pressure Box (Pre-installed)
BD Deep Sump Aluminum Transmission Pan
Torque Converter Sold Separately
With decades of diesel drivetrain expertise, BD Diesel builds transmissions engineered to exceed factory limits. From towing to daily driving and weekend performance, BD transmissions offer proven durability with thoughtful upgrades and dyno-tested consistency.
