All Datsun 1200s were fitted with a 3-speed, 4-speed or 5-speed 56-Series_Transmission. Other transmissions that will fit the Datsun 1200's engine include the 60-Series Transmission and the 63-Series 5-speed transmission.

By Model

* B10 (Datsun 1000): 56-series * B110 (Datsun 1200): 56-series * B210 A12 engine (120Y): 56-series * B210 A14 engine 4-speed: 60-series * B210 A14 engine 5-speed: 63-series * B310 A12 engine (Sunny/210/120Y): 56-series * B310 A14/A15 engine (Sunny/210/140Y,150Y): 60-series

Casting Marks

Look for the large letters on the right side of the case.

* 56L - no mark * 56A early Album 21400 * 56A late ute Album 1680 * 60-series Album 6942 * 63-series Album 13612

After determining the series, see the following pages to identify 4-speeds from 5-speeds:

* 56-Series_Transmission * 60-Series Transmission * 63-Series Transmission

Bell Pattern

Rear-wheel drive A-series engine bellhousing pattern:

Album 13659

Visual Characteristics

The 56-series transmissions are identified by their small size and extensive ribbing. The 60-series transmissions are a little bit bigger but have a smooth case. Finally, the 63-series transmissions are much bigger units.

56 "ribbed case" vs. 60 "smooth case"

Album 1674 Album 945