Orion Bus Industries
01.504 | 01.507 | 05.501
Orion I 01.504
1980 #6750-6765 engine transmission Serial numbers
1981 #6766-6781 engine transmission Serial numbers
Orion I 01.507
1989 #6782-6789 engine transmission Serial numbers
Orion V 05.501
1990/91 #600-605 engine transmission Serial numbers
