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Re: Toyo U660E: Lost All Gears
Posted to Transmission Forum on 1/23/2025 6 Replies

U660E Case Bearing Bore Wear The U660E is prone to case wear where the main gear train bearing support is mounted. This is attributed to high torque loads from a low first gear ratio and Toyota's torquey V-6 engine. With higher mileage, unit centerline issues ... Login to read more.

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