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California's Railroad to the U.S. 1861 - 1996

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Southern Pacific
Fairbanks-Morse H12-44

45 units delivered

delivered 1952
1486 1487 1488 1489
1490 1491
delivered 1953
1529
1530 1531 1532 1533 1534 1535 1536 1537 1538
delivered early 1956
1568 1569
1570 1571 1572 1573 1574 1575 1576
delivered late 1956
1577 1578 1579
1580 1581 1582 1583 1584 1585 1586
delivered 1957
1587 1588 1589
1590 1591 1592 1593 1594 1595 1596
Note: only 1529 to 1538 (later 2356 to 2365) were MU capable.

renumbered 1965
2350 2351 2352 2353 2354 2355 2356 2357 2358 2359
2360 2361 2362 2363 2364 2365 2366 2367 2368 2369
2370 2371 2372 2373 2374 2375 2376 2377 2378 2379
2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
2390 2391 2392 2393 2394
Note: only 2356 to 2365 (ex 1529 to 1538) were MU capable.
No H12-44's were listed on the Extra 2200 South 1976 Roster.
extras
2361 2362 2362 2393


'Southern Pacific Historic Diesels, Volume 1, Fairbanks-Morse Locomotives' by Joe Strapac, confirms the information given below, and offers so much more, both through text and photo's. As a reference for use in modeling the FM H12-44's, I cannot recommend it highly enough. It is now 'out-of-print', but may possibly come up on eBay or through secondhand book dealers.

Evidently all H12-44's supplied to Espee were without the Loewy cab roof overhang, however a photo of 4 units in the Extra 2200 South Roster listed below shows a number of variations in the grille work. As well there are differences in the signal lights fitted, with earlier units having the 'barrel' signal lights both ends, and later units having the smaller signal lights, some mounted on the top and some on the ends of the units. Later units also appear with full length handrails.

In 1956 two changes occurred in H12-44 production, the frame became thicker, and the unit lost a little over 3 feet in length. The hood height remained the same, so the later units have a greater over-all height. The earlier number series, #1486 to #1576 (#2350 to #2374) are of the thinner frame type and longer chassis, the later series having the thicker frames and shorter chassis.

With all the variations possible, a photo of a specific unit in your timeframe, is really going to be necessary to 'get it right'.


References:

  • Southern Pacific Historic Diesels, Volume 1, Fairbanks-Morse Locomotives - by Joe Strapac.
  • SP Dieselization by Garmany - Chapter 10 is devoted to FM's.
  • Extra 2200 South Apr/May/Jun 1976, Issue 56 - SP Roster Part III.
  • Diesel Era Jul/Aug 1994 Vol.5 No.4 Page 41 - Actually a SW1500 article, but has a great LHS. shot of an early H12-44.

Additional information supplied by Bruce Conklin.

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22/3/2010