Built for deeper rock drilling in quarry, excavation, mining, and construction work, the Ingersoll Rand JH40C2 Reversible Pawl Jackhammer delivers 2,000 blows per minute through a 2.63" stroke and 2.5" bore. This percussion configuration drives impact energy through compatible drilling steel, while the 7/8" x 4-1/4" hex shank distinguishes the JH40C2 from adjacent models that use different shank lengths or diameters. The tool supports holes up to 2" in diameter and 18 ft deep, giving drilling crews the capacity needed for substantial rock penetration.
An easy-access adjustable three-speed throttle lets the operator select among three throttle settings as drilling conditions change. Reversible pawls control drill-steel rotation, while the integral muffler helps reduce exhaust noise at the tool. The JH40C2 can be used for wet or dry drilling and consumes 115 CFM at 90 PSI, so it must be paired with a compressed-air system capable of maintaining the required flow and pressure during operation.
Type: Reversible Pawl Jackhammer | Model: JH40C2 | Hex Shank Size: 7/8" x 4-1/4" | Stroke: 2.63" (67 mm) | Bore: 2.5" (63.5 mm) | Length Without Accessory: 22.5" (572 mm) | Weight Without Accessory: 61 lb (27.7 kg) | Maximum Hole Diameter: 2" (51 mm) | Maximum Hole Depth: 18 ft (457 cm) | Blows Per Minute: 2,000 BPM | Air Consumption: 115 CFM | Air Inlet: 3/4" NPT | Recommended Hose Size: 3/4" (19 mm) | Rated Air Pressure: 90 PSI (6.2 bar)
Features:
- Easy-access adjustable three-speed throttle provides selectable control at the tool.
- Reversible pawls control drill-steel rotation during rock-drilling operations.
- Integral muffler helps reduce exhaust noise generated at the jackhammer.
- Suitable for wet or dry drilling to accommodate different jobsite methods.
- 7/8-inch x 4-1/4-inch hex shank accepts matching jack rods and drill steels.
- 2.63-inch piston stroke and 2.5-inch bore support deep-hole percussion drilling.
- 2,000 blows per minute maintains steady impact action in rock and similar hard materials.

Tech Tip: To increase tool performance, extend tool life and lessen repair costs use it with a Filter-Regulator-Lubricator (FRLs)
Applications:
- Quarry and aggregate operations — drilling holes in rock for extraction, splitting, and site development.
- Mining work — supporting surface or underground drilling where compressed-air equipment is specified.
- Construction and excavation — penetrating rock encountered during foundation, trenching, and site-preparation projects.
- Road and civil infrastructure — drilling for anchoring, blasting preparation, and rock removal.
- Contract drilling crews — completing wet or dry holes within the tool’s specified diameter and depth limits.
FAQs:
- Q: What shank size does the Ingersoll Rand JH40C2 use?
A: The JH40C2 uses a 7/8" x 4-1/4" hex shank. Drill steels and jack rods must match this shank configuration. - Q: How does the JH40C2 differ from the JH40C1?
A: The principal catalog-listed difference is the shank size. The JH40C2 uses a 7/8" x 4-1/4" hex shank, while the JH40C1 uses a 7/8" x 3-1/4" hex shank; their other listed performance specifications are the same. - Q: What compressor capacity is required for the JH40C2?
A: Ingersoll Rand lists air consumption at 115 CFM with performance figures measured at 90 PSI. The compressor and air-distribution system must sustain both values while the tool is operating. - Q: What is the maximum drilling capacity of this jackhammer?
A: The manufacturer lists a maximum hole diameter of 2 inches and a maximum hole depth of 18 feet. Material conditions, tooling, air delivery, and drilling technique can affect actual results. - Q: Can the JH40C2 be used for wet drilling?
A: Yes. Ingersoll Rand specifies the JH40C2 series for either wet or dry drilling.
| SKU | HEX SHANK SIZE | STROKE IN (MM) | BORE IN (MM) | LENGTH WITHOUT ACCESSORY IN (MM) | WEIGHT WITHOUT ACCESSORY LB (KG) | MAX HOLE DIAMETER | MAX HOLE DEPTH | BPM | CFM | INLET SIZE NPT IN | RECOMMENDED HOSE SIZE IN (MM) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| JRD30-A | 7/8” x 3-1/4” | 1.44” (37) | 2.38” (60) | 19.5” (495) | 29 (13.2) | 1.5” (38) | 10’ (254) | 2,700 | 73 | 3/4” | 3/4” (19) |
| JRD30-B | 7/8” x 4-1/4” | 1.44” (37) | 2.38” (60) | 19.5” (495) | 29 (13.2) | 1.5” (38) | 10’ (254) | 2,700 | 73 | 3/4” | 3/4” (19) |
| JH40C1 | 7/8” x 3-1/4” | 2.63” (67) | 2.5” (63.5) | 22.5” (572) | 61 (27.7) | 2” (51) | 18’ (457) | 2,000 | 115 | 3/4” | 3/4” (19) |
| JH40C2 | 7/8” x 4-1/4” | 2.63” (67) | 2.5” (63.5) | 22.5” (572) | 61 (27.7) | 2” (51) | 18’ (457) | 2,000 | 115 | 3/4” | 3/4” (19) |
| JH40C3 | 1” x 4-1/4” | 2.63” (67) | 2.5” (63.5) | 22.5” (572) | 61 (27.7) | 2” (51) | 18’ (457) | 2,000 | 115 | 3/4” | 3/4” (19) |
| JRD50-A | 7/8” x 3-1/4” | 2” (51) | 3” (76) | 20.5” (521) | 51 (23) | 2” (51) | 16’ (406) | 2,300 | 120 | 3/4” | 3/4” (19) |
| JRD50-B | 7/8” x 4-1/4” | 2” (51) | 3” (76) | 20.5” (521) | 51 (23) | 2” (51) | 16’ (406) | 2,300 | 120 | 3/4” | 3/4” (19) |
| JRD50-C | 1” x 4-1/4” | 2” (51) | 3” (76) | 20.5” (521) | 51 (23) | 2” (51) | 16’ (406) | 2,300 | 120 | 3/4” | 3/4” (19) |
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