About This File
Operator manual
Illustrated parts list
Wiring
12 pages 1.88MB
Dated 1/10/61
Another scan of the above with figure 3 for the 701 missing
11 pages 1.64MB
Model 401 Kohler spec number in details page is wrong - k91-41437A should be K91-31388A
551 Wiring revised pdf
1 page 288KB
701 Wiring revised pdf
1 page 340KB
ID plates and serial numbers by CasualObserver
1961 Suburban - early used the top section of the 1960 plate, cut off and screwed to the hood stand.
1961 Suburban - later used a decal on the right frame rail ahead of the foot peg.
Tractor drive belt for 401 and 551 #1569 - (4L x 28.95" or 1/2" x 28.95")
Tractor drive belt for 701 #1576 replaced by 9691 - 1/2" x 70"
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Starter/Generator belt
Original Wheel Horse 1583 nla Used on 6, 7, 8hp Kohler Starter generator {3Lx33" in belt charts is 3/8" x 33" but some applications use a shorter belt. Belt should have raw rubber sides for grip.}
3V315 Gates .38"x31.5"
3V315 Napa .38"x31.5"
Kohler #231446 shown in the Kohler parts list
Gates replacement 7330 - .410" x 33.58" with 36 degree angle. Replacement is notched with raw rubber sides
Kohler #231605 Starter generator belt Replaces 232613 [.41"x32.08" 36 degree] PSB #061 Should use raw rubber edge belt for grip
7315 Gates .41"x32.08" 36 degree
25-7315 Napa .41"x32.08" 36 degree
Small Block Kohler Napa # 25-7320 .41" wide x 32.5" long Side angle 36 degrees Cross section HC41
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Ignition switch with 3 terminals for 550 is 3656 and nla. See PSB #069
Not documented - 1961 CBR-327 front mounted sickle bar mower for the 701
1 page of part number corrections 30.15KB
Model 701 only model to use braces on the rear fenders because the tool box was short.
701 used Kohler K161S-28522E. Toro have the engine used as K161S-28622E as used on the 702
3 photos 463KB supplied by CasualObserver for dimensions. Brace not in the parts list.
Lube chart SS
Details & Attachments
2 pages 103.48KB
1961 model 401
1961 serial numbers that have shown up for the 401
42646 - Reported to be the first 401
42908
43062
43082
43380
43437
43755
43787
43810
43867
43950
43963
43975
44034
44506
44641
48188
49361
49925
49982
50023
50053
50181
50217
50930 - May be a 551 or 701
53101
53166
53217
56299
56547
56660
56806 - May be a 551
56870
56936 - May be a 551
57103 - May be a 551
60304
60315
60419
60436
60610
60695
60719
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551 frame is 6" wide
Details and attachments
2 pages 103.99KB
1961 model 551
1961 serial numbers that have shown up for the 551
41724 - May be a 701, misread or typo
46309
46412
46574
46630
46863
46891
46906
47115
49694
50930 - May be a 401 or 701
51705
52220
52596
53812
53882
53890
56806 - May be a 401
56936 - May be a 401
57103 - May be a 401
57322
58532
59014
59148
59745
[M]
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Details and attachments
3 pages 117.93KB
1961 model 701
1961 serial numbers that have shown up for the 701
41724 - May be a 551, misread or typo
45709
47457
47479
47676
47754
47770
47793
47969
48085
48110
48210
48226
48232
48234
48237
48289
48317
48358
48393
48411
48441
48584
48596
48684
48695
48723
48732
48736
48773
48812
48832 - Model a guess
48852
48862
48911
48939
48927
48967
48982
49022
49026 - Now decaled a 702
49116
49118
49122
50930 - May be a 401 or 551
51222
51337
51407
51434
51588
51630
51688
51691
51858 - Kohler K161S
51887
51908
51952
51967
52014
54100
54140
54157
54209
54276
54395
54480
54530
54545
54609 - Model and year a guess
54666
54695
54735
54817
54836
54867
54872
55082
55894
55895
55907
55939
55968
55978
56000
56015
56108
56141
56142
56193
56991
57012
57014
57078
57165
57222
57662
57673
57707
57720
57782
57797
57811
57834
57854
57888
58037
58048
58246
58351
58364
59247
59279
59309
59366
59382
59385 - Located in the UK
59479
59480
59520
59960
59963
59969
[M]
To see the above in consecutive order go to
