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T
ECHNICAL INFORMATION
Subject Change of Components of Gear Case Set/ Gear Case Assembly
Y03992
(Page 1 of 2)
EM4250, EM4251, MS20C, MS220, MS2201, MS221, MS250, MS250.4, MS2500, MS2501,
For Models
MS251, MS251.4, PE250, RBC201, RBC220, RBC221, RBC225, RBC226, RBC250, RBC251,
RBC252, RBC253, RBC255, RBC256, RBE250, RBK250
Country All countries
Description Gear Case Set/ Gear Case Assembly and their component parts (Gear Set, Cutter Shaft Set and
Ball Bearing DDU) have been changed for higher durability.
Gear Case Set/ Gear Case Assembly




Ball Bearing 6000DDU




Gear Set/
Cutter Shaft Set



Cutter Shaft
Current New
Heat Treatment Carburization High frequency quenching

Material SCM415 SCM435

Ball Bearing DDU
Current New
Manufacturer unspecified NSK

Interchangeability(I/C)
Item No. Current part Q'ty I/C New part Q'ty Note
Gear Case Set Gear Case Set
See below 1 Yes 1
6023012002 6023012003
Gear Set Cutter Shaft Set
010 1 Yes 1
6023013000 6023013001
Gear Case Assembly Gear Case Assembly
003 1 Yes 1
6193001004 6193001005
Gear Case Assembly 1 Yes Gear Case Assembly 1
003
6193004001 6193004002
Cutter Shaft Set Cutter Shaft Set
See below 1 Yes 1
6193003000 6193003001
See below Gear Case Assembly 1 Yes Gear Case Assembly 1
6213017002 6213017003
Gear Set Cutter Shaft Set
See below 1 Yes 1
6213021000 6213021001
Ball Bearing DDU Ball Bearing DDU
See below 1 Yes 1
0600109930 0600109910
Y03992
(Page 2 of 2)
Item No. for the changed parts
6023012003
Model PE250 RBE250
Item No. 005 005

6193003001
Model MS20C MS220 MS221 MS250 MS251 RBC201 RBC220 RBC221 RBC250 RBC251
Item No. 004 089 089 089 089 004 089 089 089 089

62130170003
Model EM4250 EM4251 MS2201 MS250.4 MS2500 MS2501 MS251.4 RBC225 RBC226 RBC252
Item No. 017 017 003 017 003 003 017 003 003 003

Model RBC253 RBC255 RBC256 RBK250
Item No. 003 003 003 004

6213021001
Model EM4250 EM4251 MS2201 MS250.4 MS2500 MS2501 MS251.4 RBC225 RBC226 RBC252
Item No. 023 023 012 023 022 012 023 012 012 018

Model RBC253 RBC255 RBC256 RBK250
Item No. 021 012 012 012

0600109910
Model EM4250 EM4251 MS20C MS220 MS2201 MS221 MS250 MS250.4 MS2500 MS2501
Item No. 024 024 007 095 013 095 095 024 031 013

Model MS251 MS251.4 PE250 RBC201 RBC220 RBC221 RBC225 RBC226 RBC250 RBC251
Item No. 095 024 011 007 095 095 013 013 095 095

Model RBC252 RBC253 RBC255 RBC256 RBE250 RBK250
Item No. 027 030 013 013 011 011

Implementation
Since April 2000 production