# Grove Gear IronMan GR-H842-100-H1-32 GR8420512.32 100:1 Single-Reduction Worm Gear Speed Reducer 4.25" Center Distance Hollow Output Cast Iron - MROSupply.com ***Grove Gear IronMan GR-H842-100-H1-32 (catalog GR8420512.32) 100:1 ratio single-reduction worm gear speed reducer with 4.25" center distance, non-flanged hollow output with universal hand, 1.25" input diameter, and 2" output diameter. Cast iron housing with blue paint, Viton shaft seals, and 5219 lb-in output torque at 1750 RPM input. Right-angle shaft mount design for industrial power transmission.*** ## Product details: - Catalog number: GR8420512.32 - SKU: 1334578 - Price: ***$2,988.88*** 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 Hollow Bore Output Worm Gear](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-hollow-bore-output-worm-gear/) - [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: 139.000 lb - UPC: 690310028162 - Technicall support: contact supplier for technical support on 800-626-2120 ## Product images: - https://static.mrosupply.com/images/noimage.webp ## Product attributes; - Assembly: H-H1 - Bore Code: 32 - Center Distance: 4.2 In. - Center distance (in): 4.25 - Center Distance Range: Above 3.25" - Gear Drive Reductions: Single - Gear Type: Worm - Height (in): 17.50 - Housing material: Cast iron - HP Range: 1 to 1-1/2 (< 2) - Input Diameter (in): 1.25 - Input HP: 0.197 - Input RPM: 100 - Input Style: Solid Input Shaft - Keyway: 1/4 X 2.50 - Length (in): 40.00 - Model Code: H842 - Mounting Style: Shaft Mount - No. of Gear Reductions: Single - Output: Hollow - Output Diameter (in): 2.000 - Output Hollow Shaft Diameter (in): 2.000 - Output HP: 0.792 - Output Key: 1/2 X 3.38 - Output RPM: 17 - Output Shaft Assembly Code: H1 - Output Shaft Orientation: H1 - Output Style: H1 - Output Torque: 2852 - Output Torque (lb-in): 5219 - Output Torque Range: 2500 to 5000 in lbs - Output type: Hollow bore - Overhung Load Rating (Output Shaft(lb)): 3750 - Paint/Coating: Blue - Product Line: GR Series - Ironman Worm Gear Reducers - Product Type: Right Angle - Ratio: 100 to 1 - Ratio Range: 100-1 to 250-1 - 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-H-H1 - Series Type: Cast Iron 800 Worm Gear Reducers - Service Factor: 1 - Shaft Seal Material: Viton - Thrust Rating - output shaft: 2533 - Width (in): 37.00 ## Product documents / software: - [Catalog](https://documents.mrosupply.com/product_documents/13/35/1335389/Grove_Gear_GR842051228_Catalog_xQtksfM.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-H842-100-H1-32 GR8420512.32 100:1 Single-Reduction Worm Gear Speed Reducer 4.25" Center Distance Hollow Output Cast Iron - MROSupply.com`: - [Dodge 35A60L14 TIGEAR-2 worm gear speed reducer with 60:1 ratio, 3-piece coupled input, left side solid output shaft 1.5" diameter, 140TC frame, 3.5" center distance, 2.19 HP input rating, 1.48 HP output, cast iron housing, green paint. Suitable for moderate to heavy shock applications in conveyor, mixer, and material handling systems.](https://www.mrosupply.com/products/143550/as-markdown/) - [Dodge 35Q40L56 TIGEAR-2 worm gear speed reducer with 40:1 ratio, quill input, left side solid output shaft, 56C frame, and 3.5" center distance. Cast iron housing with green paint. Output shaft diameter 1.5". Maximum output speed 44 RPM. Input horsepower 3.23, output horsepower 2.51. Totally enclosed, maintenance-free design with synthetic lubricant.](https://www.mrosupply.com/products/142240/as-markdown/) - [Dodge 35Q30L56 TIGEAR-2 worm gear speed reducer, 30:1 ratio, quill input, left side solid output shaft, 56C frame, 3.5" center distance. Cast iron housing, 4.15 HP input rating, 1.5" output shaft diameter. 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Designed for high-torque industrial applications requiring a compact, right-angle drive solution.](https://www.mrosupply.com/products/1765360/as-markdown/) ## Product's reviews: - Gear box - excellent service, fast, easy, and customer service outstanding, if any changes they call and let you know, - Coach - Timely delivery in an untimely world. - Enginiering - got what I need it the first time. no hassle, friendly customer service, communication is excellent, I am happy with the delivery time. - Replacement for an obsolete gearbox - We needed this gearbox as a replacement for an obsolete model made by Grove Gear back in the 90'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'll be retired by the time it will need to be replaced again.