# Grove Gear IronMan GR-HM842-30-H1-140-23 GR8420531.23 30:1 Single Reduction Worm Gear Speed Reducer 4.25" Center Distance 140TC Input Hollow Output Cast Iron - MROSupply.com

***Grove Gear GR-HM842-30-H1-140-23 (catalog GR8420531.23) 30:1 single reduction right angle worm gear speed reducer with 4.25" center distance. Cast iron housing with motorized hollow output, universal hand. 140TC quill flange input, 1.25" input diameter, 1.438" output diameter, 1-7/16" output bore.***



## Product details:

- Catalog number: GR8420531.23
- SKU: 1334742
- Price: ***$4,071.45*** 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: 
    - [140TC 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/140tc-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: 157.000 lb
- UPC: 690310028209
- 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: 23
  

  
- Center Distance: 4.2 In.
  

  
- Center distance (in): 4.25
  

  
- Center Distance Range: Above 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- Housing material: Cast iron
  

  
- HP Range: 5 HP to (< 7-1/2)HP
  

  
- Input Bore (C Face): 0.875
  

  
- Input Diameter (in): 1.25
  

  
- Input Flange: 143-5TC
  

  
- Input HP: 7.517
  

  
- Input HP @ 1750 RPM: 6.481
  

  
- Input Keyway (C Face): 3/16 x 3/32
  

  
- Input RPM: 2500
  

  
- Input Style: 3-Piece Coupled
  

  
- Keyway: 1/4 X 2.50
  

  
- Max OHL (Output Shaft): 3550
  

  
- Max Thrust Load (Output Shaft): 2533
  

  
- Model Code: HM842
  

  
- Motor Frame Size: 140
  

  
- Mounting Style: Shaft Mount
  

  
- No. of Gear Reductions: Single
  

  
- Output: Hollow
  

  
- Output Diameter (in): 1.438
  

  
- Output Hollow Shaft Diameter (in): 1.438
  

  
- Output HP: 5.517
  

  
- Output Key: 3/8 x 3.00
  

  
- Output RPM: 58
  

  
- Output Shaft Assembly Code: H1
  

  
- Output Shaft Direction: H1
  

  
- Output Shaft Orientation: H1
  

  
- Output Style: H1
  

  
- Output Torque: 5960
  

  
- Output Torque (lb-in): 4882
  

  
- Output Torque Range: 5000 to 10000 in lbs
  

  
- Output type: Hollow bore
  

  
- Overhung Load Rating (Output Shaft(lb)): 3550
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman Worm Gear Reducers
  

  
- Product Type: Right Angle
  

  
- Ratio: 30 to 1
  

  
- Ratio Range: 30-1
  

  
- 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: 140TC
  

  
- Thrust Rating - output shaft: 2533
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/35/1335389/Grove_Gear_GR842051228_Catalog_xQtksfM.pdf)
- [GR-HM842-30-H-140-23_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)

## Product's reviews:
- 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.
- Gearbox gold - Great Gearbox, great price, free shipping!
- Coach - Timely delivery in an untimely world.
- Right on - Took a bit to ship but after it shipped I got it fast. Right product.