GOOD WORKING ALLISON B300R TRANSMISION . ROBBED THE CUMMINS ENGINE OUT OF A RUNNING BUS SO IT IS AVAILABLE AS A SPARE OR INSTALL RIGHT NOW. FLUID IS NORMAL, NO BURNT SMELL. TRANSMISSION HAS SIX SPEEDS, (2 OVERDRIVE RATIOS) WITH RETARDER, RETARDER COOLER AND RETARDER ACCUMULATOR. YOU GET EVERYTHING IN THE PICTURE, HOSES, BRACKETS WITH COOOLER AND ACCUMULATOR. COULD BE DELIVERED IF NECESSARY.. CALL OR TEXT JOE @ 250-618-4553.