Service Manual

9-speed Synchromesh transmissions Model designation Example: FSO-6109A FS - Standard prefix 6 - Input torque code 09 - Number of forward gears A - Standard ratio set B, C - Alternative ratio sets Transmission Identification All transmissions are fitted with an identification plate on the left-hand side of the front case showing 1. Transmission serial number. 2. Transmission model. 3. Manufacturing date code. 4. Transmission specification number. The transmission specification number is unique to each customer and gives precise details of the transmission design level. This number must be quoted when ordering replacement parts. General description 1. Main section 2. Range change section The Eaton 9-speed transmissions have nine forward speeds and are part of a medium duty range of synchromesh transmissions. They have a simple shift pattern using a unique single rail selector mechanism. Di

https://truckmanualshub.com/ Service Manual 9-speed Synchromesh transmissions 7/97 T 20538 General Model designation Example: FSO-6109A FS - Standard prefix O - Overdrive 6 - Input torque code 1 - Series 1 09 - Number of forward gears A - Standard ratio set B, C - Alternative ratio sets Transmission Identification All transmissions are fitted with an identification plate on the left-hand side of the front case showing 1. Transmission serial number. 2. Transmission model. 3. Manufacturing date code. 4. Transmission specification number. The transmission specification number is unique to each customer and gives precise details of the transmission design level. This number must be quoted when ordering replacement parts. General description https://truckmanualshub.com/ 1. Main section 2. Range change section Features The Eaton 9-speed transmissions have nine forward speeds and are part of a medium duty range of synchromesh transmissions. They have a simple shift pattern using a unique single rail selector mechanism. Direct drive or overdrive top gear versions are available. An epicyclic reduction gear with air operated synchromesh engagement is located between the 5-speed main section…