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Alfa 6C (?) gearbox found in Swiss scrapyard. (upd. 6C2300B)

Alfa 6C (?) gearbox found in Swiss scrapyard. (upd. 6C2300B)

Alfa 6C (?) gearbox found in Swiss scrapyard. (upd. 6C2300B)

  • Alfa 6C (?) gearbox found in Swiss scrapyard. (upd. 6C2300B)
  • Alfa 6C (?) gearbox found in Swiss scrapyard. (upd. 6C2300B)

 
Last Saturday Wilfried found this gearbox on a old scrapyard in Switzerland. He presumes it is Alfa Romeo, with Number 843177M, 22x39, A2X, 017. The big shifter was once modified but coud be a part of the original. He also wonders about the function of the smaller shifter? Some type of an old Overdrive? Length overall without spider on back: 560 mm, bellhousing: outer diameter: 370 mm, machined diameter: 310 mm 11 holes to fit on engine. diameter to receive crankshaft stub: about 20 mm. Final question: whatever it is, is it pre-war?
    

Pubblicato:
martedì giugno 11th, 2013

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Sconosciuto
16 Giugno 2013, 18:38
Jan is correct but we can be more precise. The serial number tells us that it is 6C2300B of 1935 to 1938 ... with it coming most likely from the earlier (1935-36) part of the production. The ratio marking ("22x39") is typical for the gearboxes of this sort seen to date. The "M" suffix" to the serial number may indicate "Modificato" or perhaps "Militare". There may be other possibilities not considered.
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Sconosciuto
12 Giugno 2013, 14:04
Alfa built some commercial vehicles I think. It looks like a truck transmission. Maybe it is a military vehicle.
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Sconosciuto
12 Giugno 2013, 13:27
Wilfried;

recognisable gearbox 6c 1900/2300 with freewheeling device on the outgoing shaft, years 1933 / 1936 about. what else did you find on that same scrapyard of it ??? kind regards, Jan Steutel
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