Technical Specifications

An image of ATSF 3463 as delivered to Topeka in 1956. Click to enlarge.

Santa Fe 3463 is a member of the 3460-class of locomotives, of which numbers 3460-3465 were manufactured by the Baldwin Locomotive Works to ATSF specifications in 1937. The following are comparative technical specifications of 3463 as compared to other, operational steam locomotives in service today.

CATEGORY ATSF 3415 CP 2816 ATSF 3463 NKP 765 MILW 261 ATSF 3751
General Classification 4-6-2 4-6-4 4-6-4 2-8-4 4-8-4 4-8-4
Service Passenger Passenger Passenger Fast Freight Dual Service Passenger
Fuel (Current) Oil Oil Oil Coal Coal Oil
Builder Baldwin MLW Baldwin Lima ALCO Baldwin
Year Built (Rebuilt) 1919 (1936) 1929 1937 1944 1944 1927 (1941)
Tractive Force, lbs. 41,424 45,254 55,000* 64,135 62,120 65,981
Weight in Working Order, lbs. 338,900 351,200 412,380 428,500 460,000 478,100
Length, Wheelbase, locomotive & tender, ft.-in. 83-10 80-6 88-8 87-9 95-6 94-10
Boiler Pressure, lbs. (Designed) 220 275 300 (310) 245 250 230
Firebox Grate Area, sq. ft. 67 80 99 90 96 108
Engine (Bore x Stroke), in. 25 x 28 22x30 23.5 x 29.5 25 x 34 26 x 32 30 x 30
Driving-wheel Tread Diameter, in. 79 75 84 69 74 80

Notes:

* Calculated tractive effort is 49,300, but measured was higher due to use of roller bearings. 
ATSF 3415 - Operated by the Abilene and Smoky Valley Railroad

CPR 2816 - Owned and Operated by Canadian Pacific Railway, Ltd.
NKP 765 - Operated by the Fort Wayne Railroad Historical Society
MILW 261 - Owned and Operated by the Friends of the 261
ATSF 3751 - Owned and Operated by the San Bernardino Railroad Historical Society