Anyone know the gear ratios of all six gears in the trans? - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 3 (permalink) Old 05-01-2010, 01:54 AM Thread Starter
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Anyone know the gear ratios of all six gears in the trans?

Looking for the specs on the gears of this trans. Thanks.
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post #2 of 3 (permalink) Old 05-01-2010, 02:44 AM
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Here yah go Cole. From Wikapedia

The Torqshift 5-speed 5R110 automatic transmission replaced the 4-speed in the 2003 model year truck with 6.0 L diesel engine. The TorqShift design in fact has six forward ratios, but only five are advertised, with the 'hidden' gear only used in extreme cold weather. The TorqShift 1st to 5th gear ratios are 3.11, 2.22, 1.55, 1.00, and 0.71:1. It also utilizes an alternate 4th gear, overdrive on 2nd gear of the 3 speed automatic component (0.72 x 1.55), that is 1.10:1 that is used under cold start conditions to aid engine and transmission warm up. On the TorqShift, once the Tow/Haul mode is activated it can help increase a driver's control when towing large loads up and down steep grades and automatically minimizes shifts and maximizes available torque. Upon descent, the Tow/Haul mode utilizes engine braking to help extend brake life and improve driver control. An adaptive shift function monitors the TorqShift's performance over its lifetime, and adjusts shift pressures in real time to assure consistent shift feel and compensate for wear. For ease of maintenance, the TorqShift's oil filter is a spin-off style, mounted on the passenger-side exterior of the transmission. Also the TorqShift's larger fluid lines and a larger transmission oil cooler help to assure cooler operating temperatures, even under the most demanding conditions

Lets just say not quite stock.
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post #3 of 3 (permalink) Old 05-01-2010, 02:56 AM
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