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Allison A1000 Duramax Diesel Triple Disk Torque Converter

Allison A1000 Duramax Diesel Triple Disk Torque Converter
Allison A1000 Duramax Diesel Triple Disk Torque Converter
  • Part Number: GTATC-TRPL
  • Est. Ship Time: Approximately 1-3 business days
$1,545.00

Available Options

We design the Allison converter components here at Goerend Transmission, and also manufacture them from start to finish using our eight in-house CNC machines. This ensures accurate dimensions that work with your transmission. This also means you are communicating directly to the manufacturer, which is very rare in this industry, and allows us to answer all questions quickly and accurately. We build our billet front covers and clutch pistons from steel forgings, greatly reducing any chance of porosity. Our stators are designed to rotate better when going into coupling mode, as well as assist torque multiplication and are guaranteed to never break. Our patented internal design insures that the torque converter clutch will lock up on the computer and valve body’s signal. Our knowledge, equipment, and patented converter components allow us to build the converter to match your needs, no matter if you use it as a daily driver or a dedicated race truck.


  • Designed & Manufactured In-House
  • Tig Welded, Furnace Brazed & Silicon Bronze Reinforced Turbine
  • Proprietary Alto High Performance Multi-Disc Lockup Clutches
  • K-Factor & Torque Ratio Tested On In-House Dynamometer
  • Limited Lifetime Warranty
  • Below 0.005 Blueprinted Run-out Tolerances
  • Billet Stator Guaranteed To Never Break
  • Dual Torrington Bearing Stator Design
  • Multi-Bolt Pattern Billet Front Cover
  • Blueprinted Internal Clearances
  • Fully Pressurized & Leak Tested
  • Patented Fluid Flow Deflector
  • Computerized Robotic Welding
  • Billet Lockup Assembly Piston
  • 4140 Hardened Turbine Hub
  • 4140 Flanged Impeller Hub
  • Accurately Designed Pilot
  • Computerized Balancing
  • Lugged Stator Races
  • Billet Bearing Cap

The chart below shows the K factor and torque ratios as related to our converter stalls. Below is how to interpret the K factor and torque ratio numbers. The lower the K factor, the better the converter will couple. The higher the K factor, the easier the converter will spool up. The torque ratio is the torque multiplication number. For example, if a converter has a torque ratio of 1.85, then for every 100 lbs of input torque, the converter will deliver 185 lbs of output torque. This is at a converter stall or speed ratio of 0. This ratio will go down as the speed ratio goes up. Engine modifications will directly affect stall speed. Stall speeds listed below are approximate & will vary based on engine torque.

CONVERTERAPPROX. STALL (RPM)K FACTORTORQUE RATIO

G

1800 - 1900

95

1.80

X

1800 - 1900

93

1.93

E

1800 - 2200

98

1.80

DK

1900 - 2200

98

1.88

R

2000 - 2200

101

1.85

K

25 - 2700

1.65

J

2700 - 3000

113.5

1.94

AR

3200 - 3400

132

1.4

To receive the full core deposit back, the core returned to Goerend Transmission must be an unmodified core of the same model of the purchased converter. (Year, Type, Etc.) No part of the core may be rusty/damaged in any way, or you may receive partial to no credit towards your core deposit. When a usable core has been received, the core charge will be refunded to your original form of payment. Call for any questions on what cores are accepted.

We do need your old converter back, it is the customers responsibility to ship the other coverter back to Goerend Transmission Inc.

As soon as we receive your converter, we will credit your card the $300 charge.

YOUR WARRANTY IS VOID IF WE DO NOT RECEIVE YOUR CONVERTER CORE BACK WITHIN 45 DAYS.



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