At545 skoolie, It has been a workhorse of a transmi This morning, I completed the removal of the AT545. It’s a good transmission for several reasons, First, not having a Lockup torque converter gives it smoother shifts, and the ability to convert torque with the slipping converter does help you get the ball rolling. Oct 22, 2016 · In mountains that are knarly you need braking assistance. Online I can find nothing about the transmission itself. May 5, 2016 · With the Allison AT545 you don’t get all that power directly transferred to the wheels. It was the transmission of choice for the majority of school bus operators. This bus surely didn't have the AT545. There have been many transitions over the years but earlier models would have had the Allison 545 transmission installed. 12 Dead, 18 Injured As Bus Goes Over Cliff In Cariblanco | Q Costa Rica 12 Dead, 18 The AT545 was the primary transmission found in conventional school buses, and forward engine TC-2000's for decades. Wikipedia Jan 19, 2026 · 2001 International Blue Bird Diesel 170k miles January 20, 2026 $11,000 2003 International 3800 Skoolie Conversion January 19, 2026 $65,000 2003 international Genesis sold This would depend on the year your bus was made. After I removed the transmission, I began removing the adapter plate from the front of the bell housing, but hit a snag. While they place a new label on these transmissions, 545, 1000, 2500, 2000, 3000, and so on, finding parts may be confusing. The AT545 was economical and reliable. The plate is held on with You're not going anywhere if you neglect the care and maintenance of your school bus drive train. On this bus the JAKE BRAKE failed. I've seen a good bit of "negative press" about the AT545 on this site and hoped that maybe y'all could help me out here. The AT545-5. For those considering purchasing a bus, there are a million posts on every skoolie forum knocking the AT545 as a transmission. If you are able to drive conscientiously, watch your How to swap your transmission! Parish Skoolie swaps their AT545 to an Eaton 5-speed manual transmission Found this video helpful? Jul 17, 2024 · Does anyone know what this circled plug is? It’s right next to the plate that says at545 and whatever it plugs into seems to be leaking transmission fluid. I am just sparking conversation about the position you could end up in. . Aug 26, 2017 · Perusing bus auction sites, I see that the vast majority of offered buses come with the AT545 transmission. Allison has upgraded its transmission to the 2000 PTS and 3000 PTS series models and those seem to be the ones in many school buses currently. No problems with highway driving (she's slow) no problems with mountains (she's slow). Also, what are the tubes ontop? Aug 26, 2017 · Perusing bus auction sites, I see that the vast majority of offered buses come with the AT545 transmission. You're not going anywhere if you neglect the care and maintenance of your school bus drive train. Wikipedia Mar 12, 2022 · Allison AT545 Transmission Parts Breakdown This may be a bit hard to do as, over the years, Allison has continually upgraded and updated their transmission models. I live and work in Canada, have driven across the entire country. I'm in a 26 foot International with a T444E and an AT545. 9L is a proven combination. On this weeks episode, we will take a look at the dreaded AT545 and how to make it last longer.


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