What Allison Transmission do I have?

The serial number of an Allison transmission usually contains 10 numbers, and is listed just under the model number of the transmission. The data plate of an Allison transmission contains lots of information. However, the serial number is typically shown on the bottom left of the transmission data plate.

How do I identify an Allison 1000 transmission?

To quickly identify which version of the Allison 1000/2000/2400 valve body you have:

1. '01-'03: 5-speed, one tube on the bottom and six solenoids.
2. '04-'05: 5-speed, one tube on the bottom and seven solenoids.
3. '06-'09: 6-speed, two tubes on the bottom and seven solenoids.

What VIN number tells transmission?

Numbers 4 through 8 describe the car with such information as the model, body type, restraint system, transmission type and engine code. Number 9 is the check digit, which is used to detect invalid VINs.

What Allison transmission is in the Duramax diesel?

The Allison 1000 six-speed transmission of today is the only transmission that can keep up with Chevrolet's Duramax® Turbo-Diesel engine option. Using adaptive learning technology, Allison transmissions provide a comfortable driving experience and help you avoid any rough shifting experiences.

What is the difference between Allison 1000 and 2000?

Registered. In the beginning it was more clear-cut that 1000 Series were Close Ratio spread and 2000 Series had a Wide Ratio spread (the difference being in the P3 planetary gear ratio).

Are all Allison 1000 transmissions the same?

no they are not the same. They have some different internal hard parts.

Is the Allison 2000 a good transmission?

the 2000 series is a nice transmission, its still run in many of the newest busses. in most cases it will be limited to 5 speed, however allison can unl;ock the 6th gear if you need a taller over-drive gear... the 2000 series is a nice transmission, its still run in many of the newest busses.

What transmission is in a Duramax?

The Allison transmission is currently used by all Duramax trucks, but LB7 Duramax trucks had the option of using a ZF 6-speed manual transmission.

When did the 10 speed Allison come out?

Introduction to the Allison 10L1000:

To get straight to the point, the Allison 10 Speed 10L1000 was released for the 2020 model year in General Motors heavy duty Silverado and Sierra trucks and is currently in use today.

How do I find out what transmission is in my truck?

The simplest way to find your transmission type is to look in your owner's manual. Your manual should have the name and type of transmission, along with service information. If you've misplaced your owner's manual, most trucks have a white label printed on the inside of the driver's door.

What does the numbers on a transmission mean?

Rather, each number simply represented the highest gear to which the transmission would shift automatically with the lever in that position.

Where is the transmission serial number located?

4) Look Under the Hood or on the Transmission Oil Pan

Using a good flashlight, look for part numbers stamped into the transmission pan or the transmission itself. Your local auto part store or dealer will be able to cross-reference the numbers to determine the kind of transmission the part belongs to.

How strong is the Allison 1000?

Initially the Allison 1000 was a 5 speed transmission, rated to handle up to 620 lb⋅ft (840 N⋅m) of torque. This rating has increased as the transmission was updated several times, to stand at 765 lb⋅ft (1,037 N⋅m) by 2011 in GM truck applications.

What is Allison WTEC?

Allison WTEC

The oldest Allison Transmission configuration was the WTEC. If your commercial truck, RV, or machine is from before 1998, it probably has a WTEC II transmission. This series had no diagnostic software or computer, but you could retrieve codes from the shift selector.

What Allison transmission is in a 2012 Duramax?

“The Allison 1000 is a no-compromises transmission that has been highly integrated with the Duramax diesel to provide the unique performance characteristics of this heavy-duty powertrain.”

What year did the 6-speed Allison come out?

From 2001-2005, these trucks were equipped with a five-speed Allison automatic transmission. In 2006, the trucks received a big update, a "new" six-speed Allison transmission. The interesting discovery came after the new transmission was torn down for the first time.

How much HP can a Allison 1000 handle?

Allison 1000, Six-Speed ('07.5-'10)

By the time the LMM-powered GMs hit the market, aftermarket tuning of the TCM had progressed enough to where the Allison could withstand 430 to 450-rwhp for extended periods of time—and 500-rwhp on occasion.

What's better LBZ or LB7?

The LB7 - stronger internals, injector issues, and 5 speed trans. The LLY - stronger internals, headgasket/overheating issues, but no injector issues, and 5 speed trans. The LBZ - weaker internals (pistons are weaker), but no injector/overheating/headgasket issues. Also get the 6 speed.

Is my Duramax a lly or LB7?

If the 8th digit of your VIN number is a 1, then it is a LB7 Duramax (the early engine). If the 8th digit is a 2, then it is a LLY. In mid 2004, GM switched to this newer LLY engine.

What is an Allison 2000?

Designed for light commercial vehicles in both on-highway and public transport applications, Allison Transmission's 1000 and 2000 Series are rated up to a maximum of 224 kW (300 hp) and have up to six speeds available, including two overdrives.

What Allison transmission is in a school bus?

Allison Transmission Nine-Speed Automatic is Destined for School Buses. School buses will be among the medium- and heavy-duty commercial vehicles that will benefit from a new nine-speed, fully automatic transmission that targets reduced greenhouse gas emissions and increased fuel efficiency.

What is LBZ Duramax?

The 6.6-liter Duramax LBZ was a short-lived engine. Only available for two model years due to increasingly strict emissions standards, the LBZ was a more aggressively tuned version of the previous LLY engine. Mechanically, the LBZ used the same Duramax parts as the LLY.