For high-speed grinding and surface preparation in recessed areas or around structures that limit access with standard-length tools, the Ingersoll Rand G3X180RH63 Extended Horizontal Grinder combines a 1.35 HP pneumatic motor with 18,000 RPM free speed, a 3/8"-24 threaded spindle, and a 3-inch guard. The extended horizontal configuration provides additional reach for placing compatible guarded abrasive accessories on welds, edges, internal surfaces, and machinery components that are difficult to approach with a conventional grinder.
The Ingersoll Rand G3X180RH63 is configured for properly rated 3-inch abrasive accessories that match its spindle thread, guard, and maximum operating-speed requirements. Its 18,000 RPM output supports fast localized material removal and surface conditioning, while the rear exhaust directs discharged air away from the immediate grinding area. Compared with lower-speed extended G3 models, this configuration favors faster accessory rotation with a smaller guarded wheel for detailed work in confined or obstructed locations.
Type: Extended Horizontal Grinder | Model: G3X180RH63 | Series: G3 Series | Configuration: Extended Horizontal | Motor Power: 1.35 HP | Free Speed: 18,000 RPM | Spindle Thread: 3/8"-24 | Guard Size: 3" | Exhaust: Rear
Features:
- 1.35 HP pneumatic motor supplies power for localized grinding, weld cleanup, material removal, and surface-preparation work.
- 18,000 RPM free speed supports fast abrasive action with accessories rated for the tool's maximum operating speed.
- 3/8"-24 threaded spindle accepts compatible abrasive accessories with the correct mounting interface.
- 3-inch guard configuration supports compact guarded abrasives for focused grinding in restricted work areas.
- Extended horizontal design provides added reach into recessed surfaces, fabricated assemblies, and machinery structures.
- Rear exhaust directs discharged air away from the immediate grinding interface and workpiece.
- G3 Series configuration combines pneumatic power, high accessory speed, and extended reach for repeated surface-preparation tasks.
Made in USA: 
Applications:
- Metal fabrication — grinding welds, cleaning internal surfaces, and removing localized material inside fabricated structures.
- Foundry and casting cleanup — addressing flash, parting lines, and surface imperfections in recessed areas of compatible cast components.
- Industrial maintenance and MRO — preparing machinery parts positioned behind brackets, guards, housings, and surrounding structures.
- Heavy equipment and transportation repair — reaching structural components, joints, and confined repair areas with compact guarded abrasives.
- General manufacturing — performing repetitive edge grinding and surface conditioning on production parts that are difficult to access with standard-length grinders.
FAQs:
- Q: What is the main advantage of the G3X180RH63 extended configuration?
A: The extended horizontal body provides additional reach for positioning the abrasive in recessed areas and around surrounding components that obstruct standard-length grinders. - Q: What abrasive size is this grinder configured to use?
A: The tool is configured with a 3-inch guard. Use only compatible abrasive accessories that match the guard, spindle thread, application, and manufacturer requirements. - Q: What accessories fit the 3/8"-24 spindle?
A: Use properly rated accessories with a matching 3/8"-24 mounting interface. The accessory must also be compatible with the 3-inch guard and rated at or above the grinder's 18,000 RPM maximum speed. - Q: How does this model differ from the G3X150RH64?
A: The G3X180RH63 operates at 18,000 RPM with a 3-inch guard, while the G3X150RH64 operates at 15,000 RPM with a 4-inch guard. The G3X180RH63 provides higher accessory speed with a smaller guarded abrasive diameter. - Q: Can a larger wheel be installed if the spindle thread matches?
A: No. Accessory selection must match the grinder's guard size, spindle requirements, wheel dimensions, and maximum operating speed. A matching thread alone does not make an abrasive safe or compatible.
Available Variations and Specifications
| Model | HP | RPM | Exhaust | Output | Type | Weight lb (kg) |
Length in (mm) |
Height in (mm) |
CFM |
|---|---|---|---|---|---|---|---|---|---|
| G-Series Angle Grinders | |||||||||
| G3A100RP106 | 1.35 | 10,000 | Rear | 5/8" – 11 thread, 6" guard | 27, 28 | 4.9 (2.2) | 9.6" (244) | 3.6" (91) | 33 |
| G3A120RG4 | 1.35 | 12,000 | Rear | 1/4" collet | N/A | 3.7 (1.6) | 9.5" (241) | 3.3" (84) | 55 |
| G3A120RP1045 | 1.35 | 12,000 | Rear | 5/8" – 11 thread, 4.5" guard | 27, 28 | 4.6 (2) | 9.6" (244) | 3.6" (91) | 55 |
| G3A120RP105 | 1.35 | 12,000 | Rear | 5/8" – 11 thread, 5" guard | 27, 28 | 4.7 (2.1) | 9.6" (244) | 3.6" (91) | 55 |
| G-Series Horizontal Grinders | |||||||||
| G3H150RG4 | 1.35 | 15,000 | Rear | 1/4" collet | N/A | 2.3 (1) | 9.1" (231) | N/A | 33 |
| G3H180RG4 | 1.35 | 18,000 | Rear | 1/4" collet | N/A | 2.3 (1) | 9.1" (231) | N/A | 55 |
| G-Series Extended Angle Sanders | |||||||||
| G3L086RS10 | 1.35 | 8,600 | Rear | 5/8" – 11 thread | N/A | 4.3 (1.9) | 13.0" (330) | 3.0" (76) | 33 |
| G-Series Extended Horizontal Grinders | |||||||||
| G3X150RG4 | 1.35 | 15,000 | Rear | 1/4" collet | N/A | 3.7 (1.6) | 14.1" (358) | N/A | 33 |
| G3X150RH64 | 1.35 | 15,000 | Rear | 3/8" – 24 thread, 4" guard | 1 | 4.5 (2) | 14.1" (358) | N/A | 33 |
| G3X180RG4 | 1.35 | 18,000 | Rear | 1/4" collet | N/A | 3.7 (1.6) | 14.1" (358) | N/A | 55 |
| G3X180RH63 | 1.35 | 18,000 | Rear | 3/8" – 24 thread, 3" guard | 1 | 4.5 (2) | 14.1" (358) | N/A | 55 |
Looking for more information about the Ingersoll Rand Grinder? Click here to view the Catalog
For help choosing the correct Ingersoll Rand Grinders for your application, please call (800) 608-5210 or email info@intlairtool.com
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