# Grove Gear IronMan GR-B842-20-L GR8420005.00 20:1 Single-Reduction Worm Gear Speed Reducer 4.25" Center Distance Left Hand Solid Output Cast Iron - MROSupply.com

***Grove Gear IronMan GR-B842-20-L (catalog GR8420005.00) 20:1 ratio single-reduction worm gear speed reducer with 4.25" center distance, non-flanged solid left-hand output shaft, 1.25" input diameter, and 1.875" output diameter. Cast iron housing with blue paint, Viton seals, and base mounting. Delivers 8.458 HP output at 87 RPM with 4999 lb-in torque from 9.462 HP input at 1750 RPM.***



## Product details:

- Catalog number: GR8420005.00
- SKU: 1334080
- Price: ***$2,694.92*** 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: 
    - [Solid Input Shaft Solid Output Shaft Left Worm](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/solid-input-shaft-worm-gear-reducers/solid-input-shaft-solid-output-shaft-left-worm/)
    - [Solid Input Shaft Worm Gear Reducers](htts://www.mrosupply.com/speed-reducers/right-angle-speed-reducers/right-angle-worm-gear-speed-reducers/solid-input-shaft-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: 136.000 lb
- UPC: 690310026069
- Technicall support: contact supplier for technical support on 800-626-2120


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


## Product attributes;

  
- Assembly: B-L
  

  
- Center Distance: 4.2 In.
  

  
- Center distance (in): 4.25
  

  
- Center Distance Range: Above 3.25"
  

  
- Gear Drive Reductions: Single
  

  
- Gear Type: Worm
  

  
- H-Tap Size: 5/8 - 11 UNC
  

  
- Height (in): 17.50
  

  
- Housing material: Cast iron
  

  
- HP Range: 7-1/2 HP (< 10)
  

  
- Input Diameter (in): 1.25
  

  
- Input HP: 11.02
  

  
- Input HP @ 1750 RPM: 9.462
  

  
- Input RPM: 2500
  

  
- Input Style: Solid Input Shaft
  

  
- Keyway: 1/4 X 2.50
  

  
- Length (in): 40.00
  

  
- Max OHL (Output Shaft): 3320
  

  
- Max Thrust Load (Output Shaft): 2533
  

  
- Model Code: B842
  

  
- Mounting Style: Base
  

  
- No. of Gear Reductions: Single
  

  
- Output: Left
  

  
- Output Diameter (in): 1.875
  

  
- Output HP: 8.458
  

  
- Output Key: 1/2 X 3.06
  

  
- Output RPM: 87
  

  
- Output Shaft: Solid Shaft
  

  
- Output Shaft Assembly Code: L
  

  
- Output Shaft Direction: Left
  

  
- Output Shaft Orientation: L
  

  
- Output Style: L
  

  
- Output Torque: 6092
  

  
- Output Torque (lb-in): 4999
  

  
- Output Torque Range: 5000 to 10000 in lbs
  

  
- Output type: Solid Shaft
  

  
- Overhung Load: 3320
  

  
- Paint/Coating: Blue
  

  
- Product Line: GR Series - Ironman Worm Gear Reducers
  

  
- Product Type: Worm Speed Reducer
  

  
- Ratio: 20 to 1
  

  
- Ratio Range: 20-1
  

  
- Reducer: Worm - Right Angle
  

  
- Reducer Style: Worm - Right Angle
  

  
- Series: GR Series - Ironman Worm Gear Reducers
  

  
- Series Code: GR
  

  
- Series Style: GR-B-L
  

  
- Series Type: Cast Iron 800 Worm Gear Reducers
  

  
- Service Factor: 1
  

  
- Shaft Seal Material: Viton
  

  
- TAP Depth: 1
  

  
- Thrust Rating - output shaft: 2533
  

  
- Width (in): 37.00
  
## Product documents / software:

- [Catalog](https://documents.mrosupply.com/product_documents/13/34/1334438/Grove_Gear_GR842003600_Catalog_4MCFzaI.pdf)
- [GR-B842-20-L_dimensions](https://documents.mrosupply.com/product_documents/GR/GR81005517.00/B-GR.pdf)
- [Instruction/Installation Manual](https://documents.mrosupply.com/product_documents/13/41/1341843/Grove_Gear_EL813001400_Manual_GZR8HGy.pdf)

## Product's reviews:
- Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time.
- Unbeatable - Best worm gearbox- best price. free shipping
- Gear box - excellent service, fast, easy, and customer service outstanding,
if any changes they call and let you know,
- Right on - Took a bit to ship but after it shipped I got it fast. Right product.