General Motors 6L90-E Automatic Transmission

1st

2nd

3rd

4th

5th

6th

R

4.027 : 1

2.364 : 1

1.532 : 1

1.152 : 1

0.852 : 1

0.667 : 1

3.064 : 1

Transmission:

General Motors 6L90-E

GM RPO Code:

MYD

Type:

6 speed automatic, rear wheel drive applications

Production Plant(s):

GMPT Toledo, Ohio and GMPT Silao, Mexico

Model Years/Applications:

2007 - current Chevrolet Silverado 2500HD/3500HD
2007 - current GMC Sierra 2500HD/3500HD
2010 - current Chevrolet Express 2500/3500
2010 - current GMC Savana 2500/3500

Case Material:

Die cast aluminum

Max Input Torque:

531 lb-ft

Stall Ratio:

1.9

PTO Provisions:

None

Output Shaft:

29 spline

Max GVWR:

15,000 lbs

Max GCWR:

21,000 lbs

Max Shift Speed:

6,200 RPM

Weight:

~ 245 lbs w/ torque converter and ATF

ATF Type/Spec:

DEXRON VI automatic transmission fluid

Fluid Capacity:

~ 13 quarts

Transmission Filter P/N:

ACDelco 24236933

Service Intervals:

Change transmission fluid and filter at 100,000 miles under normal service conditions, 50,000 miles under "severe" service conditions

Features:

• 300 mm torque converter
• Electronically controlled
• Integrated tow/haul setting provides alternative shift schedule for high load conditions in addition to decent speed control features
• Heavy duty version of the 6L80; 1 additional plate in each clutch pack, stronger input/output gearsets
• Modular transmission design for easy integration between various engine applications