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Group 21 – Transmission

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21-B Transmission Case
Year and Model21-01-03
Transmission Gasket Set
1 req'd
1940 — P101063655
1940 — P91063655
1941 — P111063655
1941 — P121063655
1942 — P141063655
1946-48 — P151063655
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600356Gasket (transmission case cover) (PD)
1063655Transmission Gasket Set
 Interchange/Vendor:
  Best Gaskets5076
 
21-C Transmission Gears
Year and Model21-10-421-15-2
Sliding Gear (Low and Reverse)Countershaft Gear Assembly
1 req'd1 req'd
1931 — PA 377126
1932 — PB 377126
1933 — PCSee note 1See note 2
1933 — PD601793601813
1934 — PE601793601813
1934 — PF601793601813
Note 1
Export PC up to 1817101-3000610-931225 use part number 601793. PC export after 1817101-3000610-931225 and all domestic use part number 601068.
Note 2
Export PC up to 1817101-3000610-931225 use part number 601813. PC export after 1817101-3000610-931225 and all domestic use part number 601064.
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601793Sliding Gear (low and reverse)
 Interchange/Vendor:
  PerfectionWT194-12A
601813Countershaft Gear Assembly
 Interchange/Vendor:
  PerfectionWT194-8
 
21-D Transmission Main Drive Pinion
Year and Model21-09-05
Main Drive Pinion Bearing
 
1928 — Q42953
1929 — U42953
1930 — 30-USee note 1
1931 — PA377132
1932 — PB377132
1933 — PC377152
1933 — PD377152
1934 — PE619288
1934 — PF619288
1936 — P1619167
1936 — P2619167
1937 — P3619167
1937 — P4619167
1937 — PT50See note 2
1938 — P5619167
1938 — P6619167
1938 — PT57See note 2
1939 — P7619167
1939 — P8619167
1939 — PT81See note 2
1940 — P10619167
1940 — P9619167
1940 — PT105See note 2
1941 — P11619167
1941 — P12619167
1941 — PT125See note 2
1942 — P14619167
1946-48 — P15619167
Note 1
30-U upto 1561283 US built and all Canadian built use part number 42953. 30-U after 1561283 US built use part number 308685.
Note 2
3 Speed transmission use 619167.
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42953Main drive pinion bearing (Q, U, 30-U upto 1561283 US built and all Canadian built)
 Interchange/Vendor:
  Timken207
  NAPABRG 207J
308685Main drive pinion bearing (30-U after 1561283 US built)
 Interchange/Vendor:
  Timken7208
  NAPABRG 6208ZJ
377132Main drive pinion bearing (PA, PB)
 Interchange/Vendor:
  Timken7208G
  NAPABRG 6208ZNRJ
377152Main drive pinion bearing (PC, PD)
 Interchange/Vendor:
  Bower-BCA207SL
  Timken207
  NAPABRG 6207ZNRJ
619167Main Drive Pinion Bearing
 Interchange/Vendor:
  NAPABRG 6207ZNRJ
 
21-E Transmission Mainshaft and Bearings
Year and Model21-04-1121-22-02
Transmission Extension Case BearingMainshaft rear bearing oil seal assembly
1 req'd1 req'd
1930 — 30-U 308485
1931 — PA See note 1
1933 — PC See note 2
1933 — PD 600420
1934 — PE 600420
1934 — PF 600420
1936 — P1 600420
1936 — P2 600420
1937 — P3 600420
1937 — P4 600420
1937 — PT50 600420
1938 — P5 600420
1938 — P6 600420
1938 — PT57 See note 3
1939 — P7 600420
1939 — P8 600420
1939 — PT81 See note 3
1940 — P10694770670752
1940 — P9694770670752
1940 — PT105 See note 3
1941 — P11694770670752
1941 — P12694770670752
1941 — PT125 See note 3
1942 — P14694770670752
1946-48 — P15694770670752
Note 1
After serial number 1561283 use 308485
Note 2
After serial numbers 1817101-3000610-9312255 use 600420
Note 3
Three speed transmission use 600420. Four speed transmission use 593596
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600420Mainshaft rear bearing oil seal assembly
 Interchange/Vendor:
  National5737
  Victor49115
  Timken471827Possible match for original seal that has OD of 2.441, ID of 1.562 and is 0.375 thick.
602358Transmission mainshaft bearing (rear) (PC, PD)
 Interchange/Vendor:
  Bower-BCA207
  NAPABRG 207J
670752Mainshaft rear bearing oil seal assembly
 Interchange/Vendor:
  NAPANOS 15620
694770Transmission Extension Case Bearing (P9, P10, P11, P12, P14, P15)
 Interchange/Vendor:
  NAPABRG 6206J