Grove Gear GR Series Catalog Page
Maximum Rating Tables
Size 830 • GR & EL Series
Single Reduction
Worm Gear Reducers
Size 830
nput Output nput Output
Ratio
RPM RPM HP HP
2500 500 10 661 10 091 1272
1750 350 9 093 8 573 1544
5
1170 234 7 434 6 966 1876
100 20 1 177 0 928 2925
2500 333 8 178 7 669 1450
Double Reduction
Worm - Worm Gear Reducers
Double Reduction
Helical - Worm Gear Reducers
Reducers
®
and GEAR+MOTOR™Ratio Multipliers
WASHGUARD
1750 233 6 879 6 421 1734
7.5
1170 156 5 668 5 251 2122
100 13 0 898 0 683 3228
2500 250 7 293 6 745 1701
1750 175 6 151 5 655 2037
10
1170 117 4 989 4 541 2446
100 10 0 799 0 567 3573
2500 166 5 734 5 149 1947
1750 116 4 843 4 311 2329
15
1170 78 3 903 3 426 2768
100 6 7 0 663 0 418 3949
2500 125 4 662 4 067 2051
1750 87 3 947 3 407 2454
20
1170 58 3 198 2 713 2923
100 5 0 0 579 0 332 4189
2500 100 3 957 3 355 2114
1750 70 3 355 2 807 2527
25
1170 46 2 713 2 223 2993
100 4 0 0 519 0 269 4238
2500 83 3 389 2 787 2108
1750 58 2 879 2 332 2519
30
1170 39 2 335 1 845 2982
100 3 3 0 472 0 223 4217
2500 62 2 639 2 054 2071
1750 43 2 251 1 720 2477
40
1170 29 1 843 1 366 2944
100 2 5 0 407 0 167 4200
2500 50 2 238 1 654 2084
1750 35 1 915 1 383 2490
50
1170 23 1 569 1 094 2945
100 2 0 0 372 0 132 4156
2500 41 1 907 1 336 2020
1750 29 1 637 1 117 2413
60
1170 19 1 348 0 883 2854
100 1 7 0 341 0 106 4026
2500 31 0 972 0 671 1352
1750 21 0 895 0 585 1684
80
1170 14 0 757 0 463 1996
100 1 3 0 126 0 054 2731
2500 25 0 656 0 424 1069
1750 17 0 603 0 367 1321
100 1170 11 0 511 0 289 1554
100 1 0 0 087 0 033 2100
Output
Torque
(lb in)
Style B Style H
Left Hand Right Hand Double Extension Hollow Output
Catalog No Catalog No Catalog No Catalog No *
8300001 8300013 8300025 8300501.XX
8300002 8300014 8300026 8300502.XX
8300003 8300015 8300027 8300503.XX
8300004 8300016 8300028 8300504.XX
8300005 8300017 8300029 8300505.XX
8300006 8300018 8300030 8300506.XX
8300007 8300019 8300031 8300507.XX
8300008 8300020 8300032 8300508.XX
8300009 8300021 8300033 8300509.XX
8300010 8300022 8300034 8300510.XX
8300011 8300023 8300035 8300511.XX
8300012 8300024 8300036 8300512.XX
Accessories and
Additional Capabilities
34
How To Build a Part Number For Size
1. Select partial catalog number from the selection table
2. Replace leading “__” with series code (GR, EL)
Grove Gear IRONMAN, style B, 5:1 ratio, left hand output
GR-B830-5-L
GR830 & EL830
3. For hollow output, replace “XX” suffix with bore code
(see next page for codes)
Example:
GR8300001
Maximum Rating Tables
Size 830 • GR & EL Series
Worm Gear Reducers
Single Reduction
Style BM Style HM
NEMA C
nput
Flange
182 4TC 8300109 8300121 8300133 8300537.XX 8300253 8300265 8300277 8300585.XX
213 5TC 8300145 8300157 8300169 8300549.XX 8300289 8300301 8300313 8300597.XX
182 4TC 8300110 8300122 8300134 8300538.XX 8300254 8300266 8300278 8300586.XX
143 5TC 8300075 8300087 8300099 8300527.XX 8300219 8300231 8300243 8300575.XX
182 4TC 8300111 8300123 8300135 8300539.XX 8300255 8300267 8300279 8300587.XX
143 5TC 8300076 8300088 8300100 8300528.XX 8300220 8300232 8300244 8300576.XX
182 4TC 8300112 8300124 8300136 8300540.XX 8300256 8300268 8300280 8300588.XX
143 5TC 8300077 8300089 8300101 8300529.XX 8300221 8300233 8300245 8300577.XX
182 4TC 8300113 8300125 8300137 8300541.XX 8300257 8300269 8300281 8300589.XX
143 5TC 8300078 8300090 8300102 8300530.XX 8300222 8300234 8300246 8300578.XX
182 4TC 8300114 8300126 8300138 8300542.XX 8300258 8300270 8300282 8300590.XX
143 5TC 8300079 8300091 8300103 8300531.XX 8300223 8300235 8300247 8300579.XX
182 4TC 8300115 8300127 8300139 8300543.XX 8300259 8300271 8300283 8300591.XX
Left Hand Right Hand Double Extension Hollow Output Left Hand Right Hand Double Extension Hollow Output
Catalog No Catalog No Catalog No Catalog No * Catalog No Catalog No Catalog No Catalog No *
s
Style BMQ Style HMQ
Ratio
5
7.5
10
15
20
25
30
Worm - Worm Gear Reducers
Double Reduction
Helical - Worm Gear Reducers
Double Reduction
WASHGUARD
and GEAR+MOTOR™ Ratio Multipliers
56C 8300044 8300056 8300068 8300520.XX 8300188 8300200 8300212 8300568.XX
143 5TC 8300080 8300092 8300104 8300532.XX 8300224 8300236 8300248 8300580.XX
56C 8300045 8300057 8300069 8300521.XX 8300189 8300201 8300213 8300569.XX
143 5TC 8300081 8300093 8300105 8300533.XX 8300225 8300237 8300249 8300581.XX
56C 8300046 8300058 8300070 8300522.XX 8300190 8300202 8300214 8300570.XX
143 5TC 8300082 8300094 8300106 8300534.XX 8300226 8300238 8300250 8300582.XX
56C 8300047 8300059 8300071 8300523.XX 8300191 8300203 8300215 8300571.XX
143 5TC 8300083 8300095 8300107 8300535.XX 8300227 8300239 8300251 8300583.XX
56C 8300048 8300060 8300072 8300524.XX 8300192 8300204 8300216 8300572.XX
143 5TC 8300084 8300096 8300108 8300536.XX 8300228 8300240 8300252 8300584.XX
For input/ output shaft overhung load and thrust load ratings,
refer to pages 419-422.
s Consult Factory for other motor flanges available.
* Catalog numbers are for hollow output shaft reducers.
When ordering, substitute the XX suffix with the required output
bore code.
Available bore codes
Fraction Size 1-3/16” 1-1/4” 1-7/16” 1-1/2” 1-5/8” 1-11/16” 1-3/4” 1-7/8” 1-15/16” 2” 2-3/16”
Decimal Size 1.188 1.250 1.438 1.500 1.625 1.688 1.750 1.875 1.938 2.000 2.188
Output Bore Code 19 20 23 24 26 27 28 30 31 32 35
40
50
60
80
100
®
Reducers
Additional Capabilities
Accessories and
35