Below are some alternatives you might be interested in.
ALLISON (C) 4500RDS
$7,700
Molendinar, QLD
ALLISON (C) B400R
$6,600
ALLISON (C) 3500RDS
$6,050
ALLISON (C) MD3500SP
ALLISON (C) MD3060P
ALLISON (C) AT545
$3,850