Вот данные по заводским номерам W-33, эксплуатировавшимся в СССР:
W33c/PS-3, 2528
DOBROLJOT, RR-DAH, delivered in Nov. 1928
DOBROLJOT, CCCP-175, reregistered in Feb. 1929, based at Irkutsk
DOBROLJOT, CCCP-130, reregistered in 1931
withdrawn from use 1947
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PS-3, 2529
DOBROLJOT, RR-DAI, delivered in Nov. 1928
DOBROLJOT, CCCP-176, reregistered in Feb. 1929, crashed 07.03.30, rebuilt
GVS, CCCP-752, taken over after repair
withdrawn from use 1947
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PS-3, 2533
DOBROLJOT, RR-DAO, delivered Dec. 1928
DOBROLJOT, CCCP-177, reregistered in Feb. 1929
GVS, CCCP-31, taken over in 1930, broken up in 1935
(remark: RR-DAO was also used on F13 c/n 648)
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PS-3W, 2550
DOBROLJOT, CCCP-182, delivered in June 1929, used at Yakutsk
GVS, CCCP-32, taken over in 1931, cancelled 1947
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PS-3, 2551
DOBROLJOT, CCCP-441, delivered Feb. 1930
GVS, CCCP-735, taken over during 1930, crashed 09.09.30, rebuilt
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PS-3, 2552
DOBROLJOT, CCCP-442, delivered Feb. 1930
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PS-3, 2554
DOBROLJOT, CCCP-443, delivered March 1930
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PS-3, 2555
DOBROLJOT, CCCP-444, delivered March 1930
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PS-3, 2556
DOBROLJOT, CCCP-445, delivered April 1931
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PS-3, 2557
LUFTHANSA, D-1826, delivered 1930, named "Karparthen"
crashed 06.08.30 at Vestnick in Sweden
probably rebuilt at Irkutsk as PS-4
SEVMORPUT, CCCP-H4, registered in Oct 1932
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W33L, 2584
(SE: LUFTHANSA, D-2018, "Bukowina", delivered 1931, crashed 1933 - see also c/n 2756)
DOBROLJOT, CCCP-H5, 01.10.32, built at Irkutsk, later operated by Sevmorput
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Russian Irkutsk and Moscow Batch (82xxx)
PS-4, 82657 (Irkutsk-line)
KOMSEWERPUTJ, CCCP-H5, 08.32
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Further PS-4s built in Russia:
W33/PS-4, CCCP-1402, built at Irkutsk in March 1933
W33/PS-4, CCCP-ssssssss, built at Irkutsk during 1934
W33/PS-4, CCCP-1414, built at Zavod 89 nr. Moscow in 1934
W33/PS-4, CCCP-1415, built at Zavod 89 nr. Moscow in 1934
W33/PS-4, CCCP-1416, built at Zavod 89 nr. Moscow in 1934, crashed in July 1936
W33/PS-4, CCCP-1417, built at Zavod 89 nr. Moscow in 1934, crashed 03.10.1934
W33/PS-4, CCCP-H62, built at Zavod 89 nr. Moscow in Jan. 1935
W33/PS-4, CCCP-H63, built at Zavod 89 nr. Moscow in Jan. 1935, operated by Sevmorput, s/n 89ss
W33/PS-4, CCCP-H64, built at Zavod 89 nr. Moscow in Jan. 1935, operated by Sevmorput, s/n 5ss
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Further Russian registrations:
W33, GVF Irkutsk, CCP-42
W33, DOBROLJOT, CCCP-20, crashed during 1932, rebuilt, cancelled 1935
W33, DOBROLJOT, CCCP-21, cancelled 1935
W33, DOBROLJOT, CCCP-30
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Данные по немецким источникам, весьма противоречивые (дублируются некоторые регистрационные номера в СССР, особенно номера УПА). Вот что интересно:
W33/PS-4, CCCP-H62, built at Zavod 89 nr. Moscow in Jan. 1935
W33/PS-4, CCCP-H63, built at Zavod 89 nr. Moscow in Jan. 1935, operated by Sevmorput, s/n 89ss
W33/PS-4, CCCP-H64, built at Zavod 89 nr. Moscow in Jan. 1935, operated by Sevmorput, s/n 5ss
То есть эти самолеты были построены на заводе 89 (ремзавод!). Кстати, вот фото ПС-4 Доронина в лагере челюскинцев:

(Журнал "Авиация и Космонавтика" 1999 год).