“Allison Transmission and GM have a long history of collaboration and innovation. Recently, Allison Transmission announced production of the 6-speed fully automatic transmission, designed for Chevrolet’s Silverado 4500 HD, 5500 HD and 6500 HD medium-duty trucks.”
What trucks have Allison transmissions?
All are 5 or 6-speed electronically controlled units and are manufactured by Allison Transmission in Indianapolis, Indiana as well as in Baltimore, Maryland.
- Chevrolet Silverado.
- Chevrolet Kodiak/GMC Topkick.
- GMC Sierra.
- Hummer H1.
- Chevrolet B-Series.
What year did Chevy use Allison Transmission?
The Allison 1000 has been the standard automatic transmission for the Duramax diesel since its inception in 2001.
Allison 1000 Specs.
|Production Years:||• First produced in 1999 • Produced for Duramax applications 2001 – present|
Does Chevy still use Allison Transmission?
Allison Transmission was spun off into its own company in 2007, when General Motor sold the company. The company built the 6-speed automatic transmission at the GM plant in Baltimore. This plant is said to be closing in April of 2019.
Do all 8.1 have Allison?
In the LT trim trucks the Allison was standard equipment behind the 8.1L engine. NO Chevrolet or GMC pick-up truck was ever built with an 8.1L engine, and the 4L80/4L85E transmission. If you chose a pick-up truck with the standard 6.0L gas engine it would come with a 5-speed manual as standard equipment.
How much HP can a Allison 1000 handle?
As you’ve probably deduced up to this point, the stock Allison will handle roughly 350 to 400-rwhp in five-speed form and 425 to 450-rwhp in six-speed trim. However, if you push things past that point the clutches will eventually slip and bring on the Allison’s notorious “limp mode” condition (i.e. limp home mode).
Why are Allison transmissions so good?
Unlike manual and automated manual transmissions (AMTs), Allison Automatics have no power interrupts during shift changes. They make the best use of the engine’s horsepower and torque by delivering more of it to the wheels. … This not only saves time and money, it also provides maximum protection for the transmission.
How many miles does an Allison Transmission last?
Like toypuller said, on a 100% stock motor, and when properly maintained they seem to pretty much last indefinitely. If you severely overpower it, you can kill it within 100 miles if you want.
What causes Allison Transmission limp mode?
1) Limp Mode (Allison 1000 Model)
This mode is triggered by anything that could cause severe damage to the transmission, including severe overheating or towing a very heavy load.
Is GM getting rid of the Allison Transmission?
General Motors Corp. has announced reaching a definitive agreement to sell its Allison Transmission unit the Carlyle Group Carlyle and Onex Corp. for approximately $5.6 billion.
Are Chevy 8.1 a good motor?
Chevy 8.1 Vortec Reliability
The 8.1 Vortec is named the “Workhorse” and this name is completely true. Overall, these engines are extremely reliable and are built to last beyond 250,000 miles. The Allison transmissions that most are coupled with are known to be some of the most popular/favorite transmissions out there.
How long does a 8.1 Vortec last?
Engine performs well. The overall condition of the truck is pretty good for a 15 year old with 225,000 miles.
What kind of gas mileage does a 8.1 Chevy get?
On average, vehicles equipped with the 8.1 get less than 15 miles per gallon. You can make some changes to the way you operate your Chevrolet 8.1 to attempt to get better fuel mileage; however, you should not expect miracles.