Ingersoll Rand 4151-2 Random Orbital Air Sander delivers a smooth, controlled sanding pattern with a 3/16" orbit diameter, 6" vinyl pad, and 12,000 RPM free speed. The random orbital motion helps reduce visible swirl marks while still giving the user enough sanding action for paint prep, body filler leveling, fiberglass repair, and general surface finishing.
This vacuum-ready, low-vibration air sander connects to compatible central or portable vacuum systems to help extract dust and particles through and around the pad. By keeping foreign matter away from the motor and work surface, the 4151-2 supports cleaner sanding, smoother operation, and better finish control during repeated shop use.
Type: Random Orbital Air Sander | Model: 4151-2 | SKU: 822194 | Power: 0.2 HP | Free Speed: 12,000 RPM | Orbit Diameter: 3/16" | Pad Diameter: 6" | Pad Face: Vinyl | Vacuum Ready: Yes | Exhaust: Rear | Output Thread: 5/16"-24 | Shroud Style: Short | Weight: 2.46 lbs | Length: 9.9" | Vibration: 6.2 m/s² | Sound Pressure: 81.6 dBA | Min Hose Size: 5/16" | Air Inlet: 1/4" NPT | Average Air Consumption: 8 CFM
Features:
- Vacuum-ready design connects to compatible central or portable vacuum systems for cleaner sanding and dust extraction.
- Extracts dust and particles through and around the pad to help keep foreign matter away from the motor.
- 12,000 RPM motor with a 3/16" orbit supports a smooth, swirl-free finish when paired with the correct abrasive disc.
- 6" vinyl pad provides broad surface coverage for panels, fiberglass, wood, painted surfaces, and general finishing work.
- Rear exhaust helps direct air away from the sanding path while the short shroud supports dust collection around the pad.
- Low-vibration operation helps support better control during extended sanding sessions.
- Durable construction is built to withstand normal drops and harsh shop conditions.
Made in USA: 
Applications:
- Automotive collision repair — sanding body filler, feather edging paint, and preparing panels before primer or refinishing.
- Fleet and vehicle service — surface preparation on service bodies, trailers, painted panels, and metal components.
- Fiberglass and composite repair — smoothing molded surfaces, repaired sections, and coating-ready panels.
- Woodworking and cabinet work — finish sanding flat surfaces where a 6" random orbital pattern is preferred.
- Industrial maintenance and fabrication — cleaning painted surfaces, removing light rust, and preparing metal for coating.
- DIY garage and restoration work — paint prep, general sanding, and refinishing tasks with a properly sized air supply.
FAQs:
- Q: What does the 3/16" orbit mean on this sander?
A: The orbit diameter is the size of the pad’s circular sanding motion. A 3/16" orbit gives a balanced sanding pattern for paint prep, body filler work, and finishing without being overly aggressive. - Q: Is the Ingersoll Rand 4151-2 vacuum ready?
A: Yes. The 4151-2 is vacuum ready and can connect to compatible central or portable vacuum systems to help remove dust while sanding. - Q: What type of sanding pad does this model use?
A: This model uses a 6" vinyl pad with a 5/16"-24 output thread. Replacement pads and abrasive discs should match the tool’s pad size, attachment style, thread, and speed rating. - Q: Can this sander be used for automotive paint preparation?
A: Yes. The 6" pad, 3/16" orbit, vacuum-ready design, and 12,000 RPM free speed make it well suited for body shops, paint prep, feather edging, and refinishing work. - Q: What air setup is required for this tool?
A: The 4151-2 uses a 1/4" NPT air inlet, requires a 5/16" minimum hose size, and has an average air consumption of 8 CFM. Use an air supply that can maintain steady airflow during continuous sanding.
| SKU | Free Speed rpm |
Rated Power hp (kW) |
Pad Diameter in (mm) |
Orbit Diameter in (mm) |
Weight lb (kg) |
Average Air Consumption cfm (L/min) |
Air Consumption @ Load cfm (L/min) |
Sound Pressure / Power dBA |
Air Inlet NPTF in |
Min Hose Size in (mm) |
|---|---|---|---|---|---|---|---|---|---|---|
| 4151 | 12,000 | 0.2 (0.15) | 6" (150) | 3/16" (5) | 1.92 (.87) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
| 4151-5* | 12,000 | 0.2 (0.15) | 5" (125) | 3/16" (5) | 1.92 (.87) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
| 4151-HL* | 12,000 | 0.2 (0.15) | 6" (150) | 3/16" (5) | 1.92 (.87) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
| 4151-2* | 12,000 | 0.2 (0.15) | 6" (150) | 3/16" (5) | 2.4 (1.1) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
| 4152 | 12,000 | 0.2 (0.15) | 6" (150) | 3/32" (2.5) | 1.92 (.87) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
| 4152-HL* | 12,000 | 0.2 (0.15) | 6" (150) | 3/32" (2.5) | 1.92 (.87) | 8 (226) | 15.5 (439) | 81.6 / 91 | 1/4" | 5/16" (8) |
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For help selecting the correct Ingersoll Rand Air Sanders for your assembly application, call (800) 608-5210 or email info@intlairtool.com
- Type
- Air Sander
- RPM
- 12000
- Power (hp)
- 0.2
- Pad Diameter (in.)
- 6
- Orbit Diameter (in.)
- 3/16
- Exhaust
- Rear
- Pad Type
- Vinyl
- Average Air Consumption (CFM)
- 8
- Air Consumption @ Load (CFM)
- 15.5
- Air Inlet
- 1/4" NPTF
- Min Hose Size (in.)
- 5/16
- Sound Pressure (dbA)
- 81.6
- Sound Power (dbA)
- 91
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