General Motors transmissions
m (→TH400 (3L80), TH375C, TH475 (3L80HD)) |
(→TH400 (3L80), TH375C, TH475 (3L80HD)) |
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===TH400 (3L80), TH375C, TH475 (3L80HD)=== | ===TH400 (3L80), TH375C, TH475 (3L80HD)=== | ||
1987-up 3L80HD is the heavy duty version of the TH400 found in light trucks. It has a 27 spline output shaft and is 34.5" long overall in the 2WD version. 'HD' is cast into the bellhousing in medium size letters. The TH400 transmission was used between 1964-1990. 1987 was the year GM transmissions began using the alphanumeric designations. | 1987-up 3L80HD is the heavy duty version of the TH400 found in light trucks. It has a 27 spline output shaft and is 34.5" long overall in the 2WD version. 'HD' is cast into the bellhousing in medium size letters. The TH400 transmission was used between 1964-1990. 1987 was the year GM transmissions began using the alphanumeric designations. | ||
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