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On the Ford F-150, if you see transmission code "U," it means you have the A4R70W transmission, which is a high-performance transmission that followed the successful AODE. It has 4 forward speeds, rear-wheel drive, can handle 700 lb-ft of torque, and has a broad gear ratio. The gear ratios are as follows: 1st gear is 2.84, 2nd is 1.55, 3rd is 1.1, and 4th is 0.70. This transmission is commonly found in older F-150 models, and while it might be tempting to use those older trucks for heavy-duty work, it's important not to overload the 4R70W as it has its limits. Overloading can cause it to overheat, so it's crucial to understand its capabilities and treat it with care. With proper care, the transmission will serve you well in return.
In American speak, if you see a "u" transmission code on your Ford F-150, that means you've got yourself a 4R70W transmission under the hood.
Which year shares the identical bolt pattern?