Used 6T70 Transmission 2.77 Ratio GMC Terrain 2011–2012 AT AWD is intended for GMC Terrain vehicles equipped with an all-wheel-drive automatic drivetrain. This OEM factory transmission was removed from a compatible donor vehicle and is designed to replace a worn or failed unit while maintaining original factory drivability and OEM fitment standards. When properly matched by VIN, it integrates correctly with the factory drivetrain configuration and aligns with related used GMC transmissions and used GMC engines for OEM replacement applications.
TRANSMISSION DETAILS
Transmission Code: 6T70
Transmission Type: Automatic (AT)
Speed: 6-Speed Automatic
Interchange: 400-04721
Drivetrain Type: AWD
Final Drive Ratio: 2.77
OEM factory-spec replacement
Inspected for reuse standards
Removed from complete donor vehicle
Stored indoors
Warranty availability
Nationwide shipping
Used 6T70 Transmission 2.77 Ratio GMC Terrain 2011–2012 AWD 6 Speed AT
- EQUINOX 11 AT; (6 Speed), AWD, opt MH4, ID 1HBK
- EQUINOX 12 AT, (6 Speed), AWD, opt MH4, 2.77 ratio (opt D70)
- LACROSSE 11 AT; (6 Speed), 3.6L, AWD (opt MH4)
- LACROSSE 12 AT; 3.6L, AWD (opt MH4)
- TERRAIN 11 AT; (6 Speed), AWD, opt MH4, ID 1HBK
- TERRAIN 12 AT, (6 Speed), AWD, opt MH4, 2.77 ratio (opt D70)

















