Built for automotive refinishing, composite fabrication, and industrial surface preparation, the Ingersoll Rand 4151 Random Orbital Air Sander combines a 6-inch sanding pad, 12,000 RPM free speed, and a vacuum-ready configuration to deliver smooth, swirl-free finishes while supporting dust extraction systems. Its random orbital motion (a sanding pattern that combines rotation and orbiting movement) helps minimize visible scratch marks, making it well suited for preparing primers, blending paint, and finishing fillers before coating.
Designed for professionals who spend long hours sanding, the 4151 features a lightweight composite housing, low vibration characteristics, and a built-in vacuum-ready design that helps capture airborne dust when connected to a compatible extraction system. The balanced pneumatic motor delivers consistent sanding performance across a variety of materials, helping improve finish quality while keeping the work area cleaner during continuous production and repair work.
Type: Random Orbital Air Sander | Model: 4151 | Configuration: Vacuum-Ready | Pad Diameter: 6 in. | Free Speed: 12,000 RPM | Orbit Type: Random Orbital | Air Inlet: 1/4 in. NPT | Recommended Hose Size: 3/8 in. | Power Source: Pneumatic
Features:
- Random orbital sanding action produces consistent surface finishes while helping minimize swirl marks.
- Vacuum-ready configuration supports connection to compatible dust extraction systems for cleaner sanding operations.
- 6-inch sanding pad accommodates commonly available abrasive discs for automotive and industrial finishing.
- 12,000 RPM free speed provides fast material removal and efficient surface preparation.
- Lightweight composite housing helps reduce tool weight during extended sanding sessions.
- Balanced design promotes stable sanding performance across flat and contoured surfaces.
- Pneumatic motor delivers consistent output without the heat buildup associated with many electric sanders.
- Suitable for use with hook-and-loop sanding discs compatible with the pad configuration.
Made in USA: 
Applications:
- Preparing automotive body panels before primer, paint, and clear coat application.
- Feather-edging repairs, blending body filler, and smoothing primer in collision repair shops.
- Finishing fiberglass and composite components used in marine, transportation, and industrial manufacturing.
- Removing light coatings and preparing metal, wood, or composite surfaces for refinishing.
- General maintenance, fabrication, and production sanding where dust collection is preferred.
FAQs:
- Q: What does "vacuum-ready" mean?
A: Vacuum-ready means the sander is designed to connect to an external dust extraction system, helping collect sanding dust at the source for a cleaner work environment. - Q: Why choose a random orbital sander instead of a rotary sander?
A: A random orbital sander combines spinning and orbital motion to reduce visible sanding patterns, making it a preferred choice for finish preparation before painting. - Q: What size abrasive discs does the 4151 use?
A: The tool is equipped with a 6-inch sanding pad and is intended for use with compatible 6-inch abrasive discs. - Q: Can this sander be used on materials other than automotive panels?
A: Yes. It is suitable for sanding metal, fiberglass, composites, wood, and other materials when paired with the appropriate abrasive.
| 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) |
Looking for more information about Ingersoll Rand Sander? Click here to view the Catalog.
For help selecting the correct Ingersoll Rand Sanders for your assembly application, call (800) 608-5210 or email info@intlairtool.com
warning WARNING: This or other products sold on this website may expose you to chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
For more information go to www.P65Warnings.ca.gov
