Chris,
Sorry I didn't realize sooner, I had Morton's roster from the last forum all along! Here it is:
Active C-420s:
Erie Mining C-420 600 Ohio Central 7220 OH Erie Mining 7220, LTV Mining 7220 R 12/65 3437-01 II
Erie Mining C-420 601 Amsterdam Leasing 7221 NJ Erie Mining 7221, LTV Mining 7221 L 12/65 3437-02 II
Erie Mining C-420 602 Ed Bowers 7222 Erie Mining 7222, LTV Mining 7222 D 12/65 3437-03 II
Ferrocariles Unidos del Sureste C-420 Museo de los Ferrocarriles de Yucatan 5700 MEX NdeM 5700 M A
L&HR C-420 22 Arkansas & Missouri 50 Springdale AR Essex Terminal 106 R A 06/63 3363-02 I
L&HR C-420 23 Arkansas & Missouri 52 Springdale AR CR 2073, Maryland & Delaware 52 R A 12/65 3431-01 II
L&HR C-420 24 Arkansas & Missouri 54 Springdale AR CR 2074, Maryland & Delaware 52 R A 12/65 3431-02 II
L&HR C-420 25 Arkansas & Missouri 31 Springdale AR BCRail 631 R A Derated to 1800 hp 01/66 3431-03 II
L&HR C-420 26 Ed Bowers 632 Superior IA BCRail 632 R A Derated to 1800 hp, Leased to Iowa Northwestern 01/66 3431-04 II
L&HR C-420 27 Louisville, New Albany, & Croydon 850 KY CR 2075, GBW 323, IAIS 850 R A 07/66 3463-01 II, sold to ?
L&HR C-420 29 Arkansas & Missouri 58 Springdale AR CR 2077, D&H 401, D&H 420 R A 07/66 3463-03 II
LV C-420 405 Delaware-Lackawanna 310 Scranton PA D&H 405, D&H 422, IHRC 310, IBCX 310 R A 10/64 3385-02 I
LV C-420 406 Arkansas & Missouri 62 Springdale AR D&H 406, D&H 416 R A 10/64 3385-03 I
LV C-420 407 Arkansas & Missouri 64 Springdale AR D&H 407, D&H 417 R A 10/64 3385-04 I
LV C-420 408 Adirondack Scenic Railroad 2064 Thendara NY D&H 408, to Ed Bowers, D&H 418 T A 10/64 3385-05 I
LV C-420 411 Arkansas & Missouri 68 Springdale AR D&H 411, A&M 411, IHRC 311 R A 10/64 3385-08 I
LV C-420 412 Arkansas & Missouri 66 Springdale AR D&H 412 R A 10/64 3385-09 I
LV C-420 413 Arkansas & Missouri 60 Springdale AR D&H 413 R A 10/64 3385-10 I
LV C-420 414 Southern Railroad of New Jersey 414 Winslow Junction NJ D&H 414 R A 10/64 3385-11 I
LIRR C-420 200 LA&L 420 Lakeville NY Virginia & Maryland 200, Eastern Shore 200, Delaware Coast Line 200 R A 12/63 84722 I
LIRR C-420 204 Museo de los Ferrocarriles de Chihuahua MEX M D 01/64 84726 I
LIRR C-420 207 Little Rock & Western 101 AR Erie Western R A Chop-nose 02/64 84729 I
LIRR C-420 208 Lake States Railway 976 MI R A Chop-nose 02/64 84779 I
LIRR C-420 211 Central NY Locomotive & Trans. Co. Syracuse NY, to Ed Bowers
Roberval & Saguenay 41 D R 03/64 84782 I
LIRR C-420 213 Dakota Southern 213 SD R S 03/64 84784 I
LIRR C-420 220 Museo de los Ferrocarriles de Yucatan MEX M D 05/64 84791 I
LIRR C-420 221 Buffalo Southern NY NYSW 2010 R A 07/64 3384-01 I
L&N C-420 1305 Apache Railway 81 AZ R A 06/64 84798 I
L&N C-420 1306 Little Rock & Western 102 AR R A 08/66 3467-01 II
L&N C-420 1310 KB&S 315 Kankakee IL R S 08/66 3467-05 II
L&N C-420 1315 West Chester RR 315 West Chester PA Indiana Hi-Rail 315 R 09/66 3467-10 II
Monon C-420 513 Consolidated Grain & Barge 1330 Naples IL L&N 1330 I Sold? (being used by Prarie Central)08/67 3490-07 II
Monon C-420 515 Arkansas & Missouri 56 Springdale AK L&N 1332, IHRC 332, IBCX 332 R A 08/67 3490-09 II
Monon C-420 516 Apache Railway 83 AZ L&N 1333 R A 08/67 3490-10 II
Monon C-420 517 Delaware-Lackawanna 334 Scranton PA L&N 1334, IHRC 334, IBCX 334, R A 08/67 3490-11 II
N&W C-420 415 Apache Railway 84 AZ R A Chop-nose 12/64 3397-03 I
SAL C-420 112 Arkansas & Missouri 44 Springdale AR SCL 1214, L&N 1353 R A 05/65 3418-03 I
SAL C-420 113 Arkansas & Missouri 46 Springdale AR SCL 1215, L&N 1354 R A 05/65 3418-04 I
SAL C-420 124 Cuyahoga Valley Scenic RR 365 OH SCL 1226, L&N 1365, IHRC 365, Arkansas & Oklahoma 365 R 06/65 3418-15 I
SAL C-420 125 Arkansas & Missouri 48 Springdale AR SCL 1227, L&N 1366 R A 08/65 3418-16 I
Tennessee Central C-420 401 Apache Railway 82 AZ L&N 1316 R A 01/66 3438-01 II