Kohler K91 Owner's Manual page 271

PARTS LIST 1973-1 977
PISTON-PISTON HYDROSTATIC TRANSMISSION
Parts available only through Authorized Dealers.
When ordering parts always list Part No. and Description.
(Specifications subject to change Without notice.)
ITEM PART
NO.
DESCRIPTION
NO.
NO.
REQ'D.
48
49
50
5 1
52
53
54
55
56
57
58
59
60
6 1
62
63
64
65
66
67
68
69
70
7 1
72
73
74
75
76
77
78
79
80
8 1
82
83
84
86
88
89
90
9 1
92
93
94
95
10321 6
103455
97331 0
7752
103465
103588
103574
103464
6632
103593
973500
103591
9731 90
103590
103589
103588
971 01 5
1031 84
971 01 8
83-3760
2001 93
200203
2001 90
200208
200209
20021 0
20021 1
200204
103592
83-3830
103840
200200
1051 24
83-3790
83-3780
200205
83-3800
83-3770
20021 2
83-3750
2001 89
2001 87
200206
9701 32
2001 85
83-3740
200202
Ball
Charge Relief Valve Spring
O-Ring
Plug
Plug
Acceleration Valve Body
Shim Set
Implement Relief Valve Spring
Relief Valve Cone
Hex Plug
O-Ring
Metering Plug
O-Ring
Ball
Spring
Acceleration Valve Assembly
O-Ring
Back Up Ring
O-Ring
Motor Gasket (Formerly 200191)
Motor End Cap
Valve Plate
Cylinder Block Kit Consists of nine pistons and a cylinder
block (not available separately) plus the correct number of
items 70,71,72,73 & 86.
Retaining Ring
Washer
Spring
Retainer
Retaining Clip
Acceleration Valve Spring
Pipe Plug (Formerly 2001 99)
Motor Cover Plate
Cap Screw
Motor Shaft (Formerly
2001 97)
CapScrew (Formerly 200195)
Centering Pilot (Formerly
2001 94)
O-Ring
Seal Retainer With O-Ring (Formerly
2001 96)
Needle Bearing (Formerly 2001 92)
Slipper Retainer
Thrust Plate (Formerly
2001 88)
Motor Housing
Ball Bearing
Retaining Ring
O-Ring
Copper Washer
Socket Head Cap Screw (Formerly 2001 86)
Hex Head Cap Screw
* Tractors not equipped with a hydraulic lift use spring
No.
103455 here, and only the plug (item 51) and O-ring
(50) on the opposite side.
62
1
1
2
1
1
1
1
1
1
1
2
2
2
2
2
2
3
2
2
1
1
1
1
1
1
1
1
1
2
1
4
1
2
1
1
1
2
1
1
1
1
1
1
1
2
4