Built for compacting backfill around pipelines, utility trenches, foundations, and other confined excavation areas, the Ingersoll Rand 441A2 Dual Action Backfill Tamper delivers 1,750 blows per minute (BPM) with a 4-inch piston stroke to provide rapid, uniform soil consolidation. Its dual-action tamping mechanism delivers impact force on both the upstroke and downstroke, allowing contractors to achieve dense, stable backfill while reducing the time required to complete compaction tasks. This combination of high blow frequency and balanced impact performance makes the 441A2 well suited for demanding construction and infrastructure projects.
The 441A2 features a proven pneumatic valve design (a dependable reciprocating air valve that provides consistent striking action), a plated piston for improved resistance to wear, and a dual-action sand wiper that helps prevent dirt and abrasive particles from entering the cylinder. An integrated lubricator promotes smooth internal operation, while the built-in muffler and side exhaust help reduce operating noise and direct exhaust away from the work area. These features support dependable performance throughout extended construction and utility maintenance operations.
Type: Dual Action Backfill Tamper | Model: 441A2 | Blows Per Minute: 1,750 BPM | Stroke Length: 4 in. (102 mm) | Piston Bore: 1.75 in. (44 mm) | Air Consumption: 27 CFM | Tamper Shoe: 5.5 in. x 5.5 in. | Air Inlet: 3/8 in. NPT | Recommended Hose Size: 1/2 in. | Length: 44 in. | Weight: 37 lb
Features:
- Dual-action tamping mechanism delivers impact on both piston strokes for improved compaction efficiency.
- Produces 1,750 blows per minute to compact backfill quickly and consistently.
- 4-inch piston stroke generates strong impact energy for demanding soil compaction applications.
- Proven pneumatic valve design provides dependable reciprocating performance during continuous operation.
- Built-in lubricator helps maintain smooth internal operation and supports reduced component wear.
- Dual-action sand wiper minimizes dirt and abrasive contamination inside the cylinder.
- Plated piston improves durability when working in abrasive jobsite conditions.
- Built-in muffler and side exhaust help reduce operating noise while directing exhaust away from the operator.
Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (FRLs)
Applications:
- Compacting backfill around underground water, sewer, gas, and electrical utility lines.
- Consolidating soil around foundations, retaining walls, and structural footings.
- Road construction, pavement repair, and sidewalk restoration requiring confined-area compaction.
- Pipeline installation and utility maintenance projects where stable backfill is essential.
- General construction, municipal infrastructure, and site preparation work.
FAQs:
- Q: What is the advantage of a dual-action backfill tamper?
A: A dual-action mechanism delivers tamping force during both the upward and downward piston strokes, increasing compaction efficiency and reducing the number of passes required. - Q: What types of projects is the 441A2 intended for?
A: It is commonly used for utility installation, trench backfilling, foundation work, pipeline construction, and other projects requiring reliable soil compaction in confined areas. - Q: Why does the tool include a dual-action sand wiper?
A: The sand wiper helps prevent abrasive dirt and debris from entering the cylinder, reducing internal wear and supporting dependable operation. - Q: What compressed air supply does this tamper require?
A: The tool features a 3/8-inch NPT air inlet, is designed for use with a 1/2-inch air hose, and consumes approximately 27 CFM during operation.
| SKU | Type | Stroke in (mm) |
Bore in (mm) |
Length in (mm) |
Weight lb (kg) |
bpm | cfm | Inlet Size NPT in |
Recommended Hose Size in (mm) |
|---|---|---|---|---|---|---|---|---|---|
| Sand Rammers | |||||||||
| 130A1M | Bench | 2.5" (63) | 1" (25) | 21.5" (546) | 11.56 (5.24) | 870 | 14 | 1/4" | 3/8" (10) |
| 241A1M | Floor | 4" (102) | 1.31" (33) | 52.75" (1340) | 26.88 (12.2) | 1,590 | 29 | 3/8" | 1/2" (13) |
| Backfill Tampers | |||||||||
| 341A2M | N/A | 4" (102) | 1.63" (41) | 52.75" (1340) | 34.88 (15.8) | 1,550 | 29 | 3/8" | 1/2" (13) |
| 441A2 | N/A | 4" (102) | 2" (51) | 50.88" (1292) | 47.13 (21.4) | 1,750 | 36 | 3/8" | 1/2" (13) |
Looking for more information about Ingersoll Rand Construction Tool? Click here to view the Catalog
For help choosing the correct Ingersoll Rand Backfill Tampers for your application, please 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
