Transit Coaches & School Buses Air Conditioning

For 25 years we have specialized in school bus air conditioning.
We are an MCC (Formerly Carrier Transicold) dealer and warranty service center.
We are also a Trans Air Dealer and service center.
Additionally we are a PennTex Alternator Distributor.

We offer a full line of school bus and transit vehicle services from specialization in the bus and a/c industry to wheel chair lift service.

Call us with your bus and transit vehicle needs.  If we can’t fix it, we will be honest about that and point you to someone who can.  We have been in this industry longer than anyone else in the Round Rock / Austin, Texas area!

AB&T Diesel Repair and Performance

710 S Interstate 35

Round Rock, TX 78681


(512) 388-1977