Crankshaft / Oil Pump Group
NOTE: Parts shown are BARE-Co parts - original part numbers are shown for reference only.

B628
Includes Wear Ring
B629
with Integral wear Ring
CHAMBERLAIN
TRACTOR / ENGINE
MAIN BEARING
SET
THRUST WASHER
SET
FRONT
ENGINE SEAL
REAR ENGINE SEAL
CRANK-
SHAFT		 OIL PUMP
PERKINS 4-236 Engine
236
MK III Series
B2275  STD
B2276 -.010"
B7372 -.020"
B3371 -.030"
B2278 B2239
=
CHAM26137

B2283
ROPE SEAL
(2 req)
= CHAM22635

6-354 Engine
from eng no. 354U327089L
uses
B2993
Lip Seal
= CHAM65116

 B1512
=
CHAM45092 		Balancer Unit

B6810
=
CHAM45276
PERKINS 6-306 Engine
C670
Countryman 306
Champion 306
B8617  STD
B8618 -.010"
B8619 -.020"
N/A N/A
PERKINS 6-354 Engine
C6100
Countryman 354
Countryman 6
JD 4-239 Engine

3380
B634  STD
B635 -.010"
B636 -.020"
Included
In|

Bearing
Sets		 B627
=
AR67942 		B629
=
RE24959		 B9203
=
AT18030

Repair Kit

B732
41mm long
for pumps
marked:
R54615

B733
51mm long
for pumps
marked:
R54629

JD 6-329 / 6-359 Engine
4080, 4280, 4090
B643  STD
B644 -.010"
B645 -.020"
N/A
JD 6-359T Engine

4290, 4480
JD 6-466T Engine

4490, 4690
B649  STD
B650 -.010"
B651 -.020"
B628
=
AR49025		 B630
=
RE22764		 N/A
Crankshaft / Oil Pump Group