Septa Retired buses so far:
2005 NF D40LF: 8000-8045, 8046 (fire), 8047 (fire), 8048-8119
2008 NF DE41 LF: 8120, 8122, 8128-8130, 8134, 8138, 8147, 8148, 8154-8157,8161, 8163-8164, 8167-8170, 8173, 8177, 8197, 8200-8219
2009 NF DE41LF: 8220, 8223-8227, 8231, 8235, 8240-8242, 8245-8246, 8253, 8258, 8260, 8269, 8275-8277, 8281-8282, 8285, 8289, 8291, 8294-8295, 8297-8307, 8313, 8313, 8323, 8326-8339
2010 NF DE40LFR: 8345,8366,8382,8384,8386-8389,8391,8392,8394,8395,8396
2011 NF DE40LFR: 8536