Ingersoll Rand 2850MAX 1 in Drive 1800 ft-lb Air Impact Wrench
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The Ingersoll Rand 2850MAX is a full-size pneumatic impact wrench with a 1 in square drive, D-handle configuration, and a built-in front auxiliary handle, designed for heavy-duty fastening in construction, mining, oil & gas, and truck/equipment maintenance applications. Per the nameplate label visible in the photos, the tool operates at a maximum of 90 PSI (6.2 bar) and 5,500 RPM, with a 1/2 in NPT air inlet; the "OIL DAILY" marking on the inlet housing confirms this is a standard lubricated pneumatic tool requiring inline or daily oiling — not an oil-free design. The 2850MAX designation is the updated generation of the legacy IR 2850 platform, featuring a reinforced twin-hammer mechanism rated at 1,800 ft-lb maximum loosening torque and a five-position power regulator for forward/reverse torque adjustment. This unit is sold as new — other condition: the wrench is uninstalled and complete with the detachable front D-handle, socket retainer clip, and accessories bag as pictured in the original 2850MAX retail box. Compatible with standard 1 in drive impact sockets and accessories only; use of non-impact (chrome) sockets is not recommended.
Product Specifications
| Brand | Ingersoll Rand |
| Model / MPN | 2850MAX |
| Drive Size | 1 in |
| Drive Type | Square |
| Handle Style | D-Handle w/ detachable front assist handle |
| Air Inlet Size | 1/2 in NPT |
| Max Operating Pressure | 90 PSI / 6.2 bar |
| Free Speed (No Load) | 5,500 RPM |
| Max Loosening Torque | 1,800 ft-lb |
| Max Tightening Torque | 1,350 ft-lb |
| Torque Control | 5-position power regulator |
| Mechanism | Twin-hammer |
| Lubrication | Requires daily oiling (inline or direct) |
| Certifications | CE, UKCA, EAC |
| Included Accessories | Front D-handle, socket retainer clip, hardware bag |
| Condition | New — other |