3800 Series
3800 SERIES SINGLE & DOUBLE
REDUCTION BASE TYPE GEAR DRIVES
NOTE: Bracketed numbers in table below refer to Notes section below table.
Average Shipping Weight: 221 Lbs.
|
MODEL
|
RATIO (2)
|
REDUCTION (3) |
RATINGS (1)
|
GEARBOX (5) INERTIA
(LB-FT 2)
|
DIA A. (INCHES)
|
KEYWAY B
|
|
OUTPUT (RPM)
|
INPUT HORSEPOWER
|
OUTPUT TORQUE (IN-LB)
|
INPUT SHAFT (4) OVERHUNG LOAD CAPACITY (LBS)
|
OUTPUT SHAFT (4) OVERHUNG LOAD CAPACITY (LBS)
|
|
38039S (6)
|
3.871
|
SINGLE
|
452
|
79.6 (7)
|
11,100
|
100
|
3600
|
0.24
|
1 5/8
|
3/8
|
|
3805 (6)
|
5.090
|
DOUBLE
|
344
|
62.7 (7)
|
11,500
|
100
|
3600
|
0.25
|
1 1/4
|
1/4
|
|
3806 (6)
|
6.004
|
DOUBLE
|
291
|
54.1 (7)
|
11,700
|
100
|
3600
|
0.20
|
1 1/4
|
1/4
|
|
38064 (6)
|
6.424
|
DOUBLE
|
272
|
51.0 (7)
|
11,800
|
100
|
3600
|
0.17
|
1 1/4
|
1/4
|
|
3807 (6)
|
6.882
|
DOUBLE
|
254
|
48.0 (7)
|
11,900
|
100
|
3600
|
0.15
|
1 1/4
|
1/4
|
|
38074 (6)
|
7.382
|
DOUBLE
|
237
|
45.1
|
11,990
|
100
|
3600
|
0.18
|
1 1/4
|
1/4
|
|
3808 (6)
|
7.931
|
DOUBLE
|
221
|
42.0
|
12,000
|
100
|
3600
|
0.14
|
1 1/4
|
1/4
|
|
38085 (6)
|
8.536
|
DOUBLE
|
205
|
39.2
|
12,000
|
100
|
3600
|
0.12
|
1 1/4
|
1/4
|
|
3809
|
9.207
|
DOUBLE
|
190
|
36.5
|
12,100
|
100
|
3600
|
0.10
|
1 1/4
|
1/4
|
|
3810
|
9.954
|
DOUBLE
|
176
|
33.9
|
12,150
|
100
|
3600
|
0.10
|
1 1/4
|
1/4
|
|
3811
|
10.792
|
DOUBLE
|
162
|
31.5
|
12,240
|
100
|
3600
|
0.10
|
1 1/4
|
1/4
|
|
38117
|
11.738
|
DOUBLE
|
149
|
29.1
|
12,300
|
300
|
4270
|
0.08
|
1 1/4
|
1/4
|
|
3813
|
12.814
|
DOUBLE
|
137
|
27.0
|
12,450
|
300
|
4270
|
0.08
|
1 1/4
|
1/4
|
|
3814
|
14.050
|
DOUBLE
|
125
|
24.7
|
12,520
|
300
|
4270
|
0.07
|
1 1/4
|
1/4
|
|
3815
|
15.484
|
DOUBLE
|
113
|
22.6
|
12,600
|
300
|
4270
|
0.06
|
1 1/4
|
1/4
|
|
3816
|
16.290
|
DOUBLE
|
107
|
21.6
|
12,680
|
300
|
4270
|
0.05
|
1 1/4
|
1/4
|
|
3817
|
17.167
|
DOUBLE
|
102
|
20.6
|
12,760
|
450
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3819
|
19.327
|
DOUBLE
|
91
|
17.1
|
11,880
|
450
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3820
|
20.367
|
DOUBLE
|
86
|
16.2
|
11,880
|
450
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3821
|
21.502
|
DOUBLE
|
81
|
15.3
|
11,850
|
450
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3823
|
22.744
|
DOUBLE
|
77
|
14.6
|
11,930
|
525
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3825
|
24.681
|
DOUBLE
|
71
|
12.5
|
11,100
|
525
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3826
|
26.055
|
DOUBLE
|
67
|
11.9
|
11,190
|
525
|
4630
|
0.04
|
1 1/4
|
1/4
|
|
3828
|
27.561
|
DOUBLE
|
63
|
11.3
|
11,270
|
525
|
4630
|
0.03
|
1 1/4
|
1/4
|
|
3831
|
30.658
|
DOUBLE
|
57
|
9.7
|
10,700
|
525
|
4630
|
0.03
|
1 1/4
|
1/4
|
|
3834
|
34.388
|
DOUBLE
|
51
|
8.4
|
10,360
|
620
|
4630
|
0.03
|
1 1/8
|
1/4
|
|
3836
|
36.542
|
DOUBLE
|
48
|
8.1
|
10,660
|
620
|
4630
|
0.03
|
1 1/8
|
1/4
|
|
3841
|
41.222
|
DOUBLE
|
42
|
6.5
|
9,780
|
620
|
4630
|
0.03
|
1 1/8
|
1/4
|
|
3850
|
50.337
|
DOUBLE
|
35
|
5.4
|
9,750
|
620
|
4630
|
0.02
|
1
|
1/4
|
NOTES
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