Torqueflite MA904A
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The Torqueflite MA904A or Baby Torqueflite is a 3 Speed Automatic transmission made by Chrysler and used in the first generation Sigma behind the 2.0 Litre Astron. The transmission is similar to the Torqueflite used in 6 cylinder and V8 Chryslers - with the torque converter reduced in size from 273mm to 241mm.
The transmission consists of two clutches, an over-running clutch, two servos and bands and two planetary gear sets. Kickdown is actuated by a kickdown cable connected to the throttle rod.
Technical data
| Lubricant | Dexron IIB |
| Capacity | 6.4 Litres |
| Torque Convertor Stall Speed | 2200 - 2600 rpm (Model 4028427) 1950 - 2400 rpm (All other models) |
| GEAR RATIOS | |
| 1st | 2.45 |
| 2nd | 1.45 |
| 3rd | 1.00 |
| Reverse | 2.21 |
