How do you read a Allison Transmission serial number?

The tag is found on the back right corner of the unit. It should have a few different numbers on it. There will be a part number and or serial number. One will be 10 digits and one will be 8 digits long.

When should I service my Allison Transmission?

Beginning with s/n 6510670912 and s/n 6610205144, transmissions equipped with allison high Capacity Filters do not require an initial main Filter change at 5000 miles/8000 km/200 hours.

How many miles is too much for a Duramax?

A poorly-maintained engine can quickly fall into disrepair before it even reaches the 100,000-mile mark while a well-maintained Duramax pickup truck should last 400,000 or even 500,000 miles.

What oil should I use in my 2020 Duramax?

We highly recommend Amsoil Heavy Duty 15W-40 full synthetic engine oil for all Duramax diesel applications, or Amsoil Heavy Duty 5W-40 full synthetic engine oil for cold weather operation. Place a suitable container (minimum 10 quarts capacity) beneath the engine oil pan.

What fluid does Allison Transmission use?

TES 295® automatic transmission fluid
Allison recommends that customers use an Allison Approved TES 295® automatic transmission fluid to extend drain intervals and enhance transmission performance and durability in all operating environments with on-highway products.

How many miles should a 6.6 Duramax last?

Technically a well taken care of Duramax will go past 500k miles.

What’s the difference between Allison 4000 and 3000 series transmissions?

The Allison 3000 and 4000 series transmissions used in most diesel pushers are designed for higher power levels and coach weights. Servicing them is a bit more involved, but not overly so. The biggest difference is that cartridge-style filters are inside the transmission.

What should I do about my Allison Transmission?

Regular fluid and filter maintenance is the simplest thing you can do ensure the performance and durability of your Allison fully automatic transmission.

How many quarts of fluid does an Allison 4000 hold?

Allison 3000 transmissions can hold approximately 29 quarts of fluid; the larger Allison 4000 can hold approximately 48 quarts. But not all of this fluid is in the transmission pan.

When did the Allison Transmission prognostics come out?

Prognostics first appeared in 2009 model-year coaches. Prognostics electronically monitor the transmission and interface with the Allison shift pad in the cockpit.

The Allison 3000 and 4000 series transmissions used in most diesel pushers are designed for higher power levels and coach weights. Servicing them is a bit more involved, but not overly so. The biggest difference is that cartridge-style filters are inside the transmission.

Regular fluid and filter maintenance is the simplest thing you can do ensure the performance and durability of your Allison fully automatic transmission.

Allison 3000 transmissions can hold approximately 29 quarts of fluid; the larger Allison 4000 can hold approximately 48 quarts. But not all of this fluid is in the transmission pan.

Prognostics first appeared in 2009 model-year coaches. Prognostics electronically monitor the transmission and interface with the Allison shift pad in the cockpit.