At545 Transmission Specs
As the vehicle slows down the transmission will downshift to the correct range automatically.
At545 transmission specs. Alsn is the worlds largest manufacturer of fully automatic transmissions for medium and heavy duty commercial vehicles and is a leader in hybrid propulsion systems for city buses. All automatic transmissions have torque converters but the at545 does not have the ability to lock. It works with a set of impellers and transmission fluid flowing between them to transfer power from the motor into the transmission. Cltch shift single speed mlti.
Allison at 545 specifications general purpose truck and motorhome rating net input power 235 hp 175 kw net input torque 445 lb ft 603 nm vehicle weight up to 30000 lbs 13608 kg gvw or gcw airport shuttle bus rating net input power 180 hp 134 kw net input torque 380 lb ft 515 nm vehicle weight up to 26500 lbs 12020 kg gvw. Add or drain necessary to bring. The transmission will initially attain 1st range and as vehicle speed increases the transmission will upshift to 2nd range 3rd range and 4th range automatically. Maimm otpt shaft speed not to eceed 2500 rpm.
The at545 is the most popular transmission in school buses in the 1980s and 1990s and is generally a very reliable unit if you accept its limitations. See this ultra boring video about how it works how torque converters work. Park vehicle on level ground select neutral apply parking brake and allow engine to idle. At 540 at 542 at 543 at 545 at1542 at1545 serial 184557 higher.
Single gear single speed mlti gear sh series 1 fd. Fluid specifications transmission dimensions all dimensions are in inches inital fill fluid type l length w width h height weight lbs 20 us quarts tes 295 approved fluid 2725 2070 2020 base model with pto 267 275 all measurements are approximate and for estimation purposes only. They added a 1 in front of it but that is not the same as an allison 1000 series an entirely different animal. Arningw if you leave the vehicle and the engine is running the.
Operate transmission in drive until normal operating temperature is reached. Unlike the 545 there were only 5600 a3s made so the availability of the 1545 transmission is extremely limited. 6 bolt type 8 bolt type.