- #Allison transmission for 5.9 cummins how to#
- #Allison transmission for 5.9 cummins manual#
- #Allison transmission for 5.9 cummins full#
- #Allison transmission for 5.9 cummins series#
There is also a dry weight with PTO and that comes in at 275 pounds or 125 kg and finally, there is a dry weight with retarder which reaches 315 pounds or 143 kg. The actual weight of this transmission is roughly 267 pounds or 121 kg. The origination source website does not exist anymore AT545 Transmission Weight (with the transmission in drive) 500 rpm (#1) Vehicle weight Up to 22,050 lbs (10,002 kg) GVWĪcceptable full-load engine governed speed 2400-4000 rpm (diesel) Vehicle weight Up to 30,000 lbs (13,608 kg) GVW School Bus, Intercity Bus, and Shuttle Bus Rating Vehicle weight Up to 26,500 lbs (12,020 kg) GVW Vehicle weight Up to 30,000 lbs (13,608 kg) GVW or GCW General Purpose Truck and Motorhome Rating
The link to the source is placed at the end of the article. The following information is not original to us. Good maintenance habits should keep the 545 running for a lot longer. When you do that, you are looking at paying some high repair bills. There is no excuse for doing that and you are only putting a good transmission at risk of damage.
#Allison transmission for 5.9 cummins how to#
Plus, the transmission is not idiot-proof, meaning that if people do not take care of the transmission, read the update bulletins, and do not learn how to drive with this model, it will break down. Also, the transmission may slip a little when hauling loads when you drive a little slower than 2400 rpm.
#Allison transmission for 5.9 cummins full#
It does have its weaknesses as it does not reach full pressure on the internal bands until the input shaft reaches 2400 RPM. The transmission may be best for flat road surfaces or slight inclines but not for pulling a 30,000-pound vehicle up mountain roads and steep passes. It is an older technology that may not be up to the rigors that newer motors and heavier vehicles send to a transmission. There has been some discussion on this and the consensus is clear, you need adaption to make newer transmissions work in the old school buses. The trouble is, the newer versions may not be interchangeable with the 545 bell. The 545 is just getting old and it may be time to replace it with an upgraded model. Of course, repair records may say something not as flattering as these transmissions will break down from time to time but if they did it a lot, Allison would not be a respected transmission manufacturer. To quote one reviewer, ‘you do not get this type of market penetration if you are producing an Edsel.’ That popularity and production as well as longevity say a lot about the reliability and durability of the transmission. Plus, it has been placed in many medium-duty trucks. It has been placed in hundreds of thousands of school buses and driven for tens of millions of miles over the years. Is The AT545 Good?Īccording to what we have found during our research, it is a very good transmission.
#Allison transmission for 5.9 cummins series#
One series of buses had the Allison 2500 model. This led to less downtime meaning schools got better service out of their buses with the 545 handling the workload.īut you may find different models of Allison transmissions in a school bus as different school districts have ordered different buses made by different companies.
#Allison transmission for 5.9 cummins manual#
This series of transmissions were fully automatic and were said to need less maintenance than the manual model. There were also the 540 and 543 models but they are exactly the same as the 545 except for the smaller oil pan. If you are buying used chances are you have the 545 model shifting the gears. It has been a workhorse of a transmission transporting millions of school children for years in hundreds of thousands of school buses. There have been many transitions over the years but earlier models would have had the Allison 545 transmission installed. 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.
This would depend on the year your bus was made.
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