Kohler K91 Owner's Manual page 270

PARTS LIST 1973-1977*
PISTON-PISTON HYDROSTATIC TRANSMISSION
Parts available only through Authorized Dealers.
When ordering parts always list Part No. arid Description.
(Specifications subject to change without notice.)
ITEM PART DESCRIPTION
NO. NO. REQ'D.
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
18
20
2 1
22
23
24
25
26
27
28
29
30
3 1
32
33
34
35
36
37
38
39
40
4 1
42
43
44
45
46
47
7877
20021 4
2002 1 5
2002 1 3
20021 7
83-3750
20021 6
83-3870
83-3900
83-3890
83-391 0
1 0346 1
103462
103463
83-3880
200239
20021 9
2002 1 2
83-3920
200244
200245
200208
200220
83-3820
200222
200224
83-3860
971 01 8
1031 84
200231
200230
200226
200238
200241
200226
200227
83-3850
83-3830
83-3730
10321 6
103457
97331 0
103458
971 01 2
103459
103460
Pump Shaft Seal
Snap Ring (Formerly 200229)
Ball Bearing
Snap Ring
Pump Shaft
Variable Swash Plate
Thrust Plate (Formerly
2001 88)
Pump Housing
Stub Trunnion Shaft (Formerly 200236)
Control Trunnion Shaft (Formerly 200235)
Needle Bearing (Formerly
200237)
Seal
Washer
Retaining Ring
Spirol Pin (Formerly 200234)
Cap Screw
Cylinder Block Kit- Consists of nine pistons and a cylinder
block (not available separately) plus the correct number of
items 18,20, 21,22 & 23.
Slipper Retainer
Washer (Formerly 200243)
Spring
Front Washer
Retaining Ring
Valve Plate
Locating Pin (Formerly
2001 98)
Needle Bearing
Charge Pump Housing
Gerotor Assembly (Formerly 200225)
O-Ring, Large
Back Up Ring
Cap Screw, Short
Cap Screw, Long
Socket Head Plug
Pump Gasket (Formerly 200223)
Pump End Cap
Socket Head Plug
Socket Head Plug
Pipe Plug
Pipe Plug, 1/4" (Formerly
2001 99)
Cap Screw, Short (Formerly 200184)
Ball
Check Valve Spring
O-Ring
Check Valve Plug
O-Ring
Back Up Ring
Push Valve
1
1
1
1
1
1
1
1
1
1
2
2
2
2
3
4
1
1
1
1
1
1
2
1
1
1
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
2
1
1
1
*
Refer to specific tractor parts manual
to
determine replacement parts information for
1978-1 980
tractors.
61