# Grove Gear IronMan GR-HM832-40-H1-180-31 GR8320530.31 40:1 Single-Reduction Worm Gear Speed Reducer 3.25" Center Distance 180TC Quill Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear IronMan GR-HM832-40-H1-180-31 (catalog GR8320530.31) 40:1 ratio single-reduction worm gear speed reducer with 3.25" center distance, 180TC quill flange input, and universal hand hollow output with 1-15/16" bore. Cast iron housing with blue paint finish, Viton shaft seals, and factory-filled PAG synthetic oil. Part of the IronMan 800 Series, rated for 2.926 HP input at 1750 RPM, 43 RPM output, and 5710 lb-in output torque.***



## Product details:

- Catalog number: GR8320530.31
- SKU: 1333264
- Price: ***$2,910.70*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Electra/Grove Gear](https://www.mrosupply.com/brands/electragrove-gear/)
- Category: 
    - [180TC Input Flange 3-Piece Coupled](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-worm-gear-reducers/3-piece-coupled-input-hollow-bore-output-worm-gear/180tc-input-flange-3-piece-coupled/)
    - [3-Piece Coupled Input Hollow Bore Output Worm Gear](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-worm-gear-reducers/3-piece-coupled-input-hollow-bore-output-worm-gear/)
    - [3-Piece Coupled Input Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/3-piece-coupled-input-worm-gear-reducers/)
    - [Right Angle Worm Gear Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/)
    - [Right Angle Speed Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/)
    - [Speed Reducers](htts://www.mrosupply.com/speed-reducers/)
- Unit of measure: each
- Weight: 78.000 lb
- UPC: 690310023952
- Technicall support: contact supplier for technical support on 800-626-2120


## Product images:
- https://static.mrosupply.com/images/noimage.webp


## Product attributes;

  
- Assembly: HM-H1
  

  
- Bore Code: 31
  

  
- Center Distance: 3.2 In.
  

  
- Center distance (in): 3.25
  

  
- Center Distance Range: 1" thru 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- Housing material: Cast iron
  

  
- HP Range: 2 HP to (< 3)HP
  

  
- Input Bore (C Face): 1.125
  

  
- Input Diameter (in): 0.875
  

  
- Input Flange: 182-4TC
  

  
- Input HP: 0.513
  

  
- Input HP @ 1750 RPM: 2.926
  

  
- Input Keyway (C Face): 1/4 x 1/8
  

  
- Input RPM: 100
  

  
- Input Style: 3-Piece Coupled
  

  
- Keyway: 3/16 X 1.63
  

  
- Max OHL (Output Shaft): 2275
  

  
- Max Thrust Load (Output Shaft): 2574
  

  
- Model Code: HM832
  

  
- Motor Frame Size: 180
  

  
- Mounting Style: Shaft Mount
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 1.938
  

  
- Output Hollow Shaft Diameter (in): 1.938
  

  
- Output HP: 2.293
  

  
- Output Key: 1/2 X 3.38
  

  
- Output RPM: 43
  

  
- Output Shaft Assembly Code: H1
  

  
- Output Shaft Direction: H1
  

  
- Output Shaft Orientation: H1
  

  
- Output Style: H1
  

  
- Output Torque: 3303
  

  
- Output Torque (lb-in): 5710
  

  
- Output Torque Range: 2500 to 5000 in lbs
  

  
- Output type: Hollow bore
  

  
- Overhung Load Rating (Output Shaft(lb)): 2275
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman Worm Gear Reducers
  

  
- Product Type: Right Angle
  

  
- Ratio: 40 to 1
  

  
- Ratio Range: 40-1
  

  
- Reducer: Worm - Right Angle
  

  
- Reducer Style: Worm - Right Angle
  

  
- Reducer Type: Single
  

  
- Series: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GR
  

  
- Series Style: GR-HM-H1
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- Size: 180TC
  

  
- Thrust Rating - output shaft: 2574
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/33/1333445/Grove_Gear_GRG832050424_Catalog_eDiOieL.pdf)
- [GR-HM832-40-H-180-31_dimensions](https://documents.mrosupply.com/product_documents/GR/GR8130513.10/HM-GR.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)
## Alternate products to `Grove Gear IronMan GR-HM832-40-H1-180-31 GR8320530.31 40:1 Single-Reduction Worm Gear Speed Reducer 3.25" Center Distance 180TC Quill Input Hollow Output Cast Iron - MROSupply.com`:
- [Hub City 0250-54659 HERA55 cast iron helical-hypoid right angle reducer with 53.03:1 ratio, 0.876" input diameter, 1.938" hollow bore output, and C-face quill input. Helical-hypoid gearing achieves over 90% efficiency, significantly higher than traditional worm gear drives. Designed for right-angle power transmission in industrial applications.](https://www.mrosupply.com/products/1270873/as-markdown/)
- [Hub City 0250-54747 HERA55 53.03:1 ratio cast iron helical-hypoid right angle reducer with 182TC C-face quill input, 1.126" input diameter, and 1.938" hollow bore output. Helical-hypoid gearing achieves over 90% efficiency, significantly higher than equivalent worm gear drives. Designed for material handling, packaging, and food processing applications.](https://www.mrosupply.com/products/1270961/as-markdown/)
- [Hub City 0250-55790 HERA75 cast iron helical-hypoid right angle reducer with 53.03:1 ratio, 143TC C-face quill input, 0.876" input diameter, and 2.188" hollow bore output. Helical-hypoid gearing delivers over 90% efficiency, outperforming conventional worm gear drives. Suitable for material handling, packaging, and food processing applications.](https://www.mrosupply.com/products/1271860/as-markdown/)

## Product's reviews:
- Right on - Took a bit to ship but after it shipped I got it fast. Right product.
- Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time.
- Gearbox gold - Great Gearbox, great price, free shipping!
- Replacement for an obsolete gearbox - We needed this gearbox as a replacement for an obsolete model made by Grove Gear back in the 90&#39;s. Needed to call the company to find out the equivalent and they directed me towards MRO. If this one will last as long as its predecessor I&#39;ll be retired by the time it will need to be replaced again.


