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R-2800 Crankshaft Evolution R-2800 Crankshaft Evolution
MILITARY
DESIGNA-
TION
ENG
SERIES
CRANK
MACHINING
ASSEMBLY
CRANK
BALANCE
ASSEMBLY
FRONT
COUNTER
BALANCE
REAR
COUNTER
BALANCE
MASTER ROD
PARTS
MANUAL
DATE
CRANKSHAFT CONSTRUCTION
8, 10, 65
B
96894 > 53509,
76526, 83202
96896 > 53510,
83358
83196 > 37762,
76167
83197 > 37763,
76168
34405
12-1-53
4-counterweight,spline in center of crankpin, two 4 ½
X Pratt & Whitney spool-type dampers in rear
counterweight
14W, 22,
22W, 28, 34,
34W, 36, 57,
73, 77, 81, 83,
83WA, 85
C
102193 > 90977,
94710
94710 > 90978
96778 > 84313
96779 > 84314
87017
4-1-55
2-counterweight, face spline, 2X heavy bifilar damper
front, 4 ½ X heavy bifilar damper rear
18
C
100874
94711
96788 > 84313
96779 > 84314
87017
11-1-56
2-counterweight, face spline, 2X heavy bifilar damper
front, 4 ½ X heavy bifilar damper rear
27, 31, 43, 51,
59, 71, 75, 79
B
96894 > 38318,
53509, 76526,
83202, 92348
96895 > 53659,
59526, 83201,
92419
88196 > 37762,
76167
83197 > 37763,
76168
34405
2-1-66
4-counterweight,spline in center of crankpin, two 4 ½
X Pratt & Whitney spool-type dampers in rear
counterweight
30, 32
E
258213 > 110937,
151398, 168172,
199265
258212 > 110939,
151399, 168173,
199264, 233878
236592 >
223393, 84313
87769
144305 > 86132
3-15-55
2-counterweight, face spline, 2X light bifilar damper
front, 4 ½ X light bifilar damper rear
42
CE
257037 > 108276,
156615, 190154
258211 > 107147,
179445, 196266,
233876
236592 > 84313,
223393
236593 > 84314,
223394
144305 > 86132
11-1-56
2-counterweight, face spline, 2X light bifilar damper
front, 4 ½ X light bifilar damper rear
44, 48, 97
CA, CB,
CE
323.036 > 146697,
156615, 156617,
190154, 257037
398395 > 156616,
189249, 257038,
233877, 273703,
310688, 323040
236592 > 84313,
223393
236593 > 84314,
223394
144305 > 86132
3-1-57
2-counterweight, face spline, 2X light bifilar damper
front, 4 ½ X light bifilar damper rear
50, 50A, 52W,
54, 99W,
103W
CB
323036 > 156615,
190154, 257037,
309919
398395 > 156616,
189249, 233877,
257038, 273703,
310688, 323040
236592 > 84313,
223393
236593 > 84314,
223394
144305
11-1-65
2-counterweight, face spline, 2X light bifilar damper
front, 4 ½ X light bifilar damper rear
CA3, CA15,
CA18, CB3,
CB16, CB17
CA, CB
323036 > 108276,
146697, 156615,
156617, 190154,
257037
323040 > 101178,
156616, 156618,
189249, 233877,
257038, 273703
236592 > 84313,
223393
236598 > 84314,
223394
144305
6-66
2-counterweight, face spline, 2X light bifilar damper
front, 4 ½ X light bifilar damper rear
10-13-99
NOTES: 1) > means supercedes.