Description
Recessed dual-wheel commercial truck lugs defeat standard short-anvil impacts, forcing fleet mechanics to stack wobbly extensions that sap torque. The Ingersoll Rand 1 Inch Drive impact wrench unleashes 1770 ft-lbs of torque through a six-inch extended anvil. It clears deep truck rims fast, but handling this twenty-eight-pound tool creates shoulder fatigue over long shifts.
The front clutch features an industrial-grade rocking dog impact mechanism machined from chromium-molybdenum alloy steel, generating heavy rotational blows to crack rusted threads. An extended six-inch square drive anvil is induction hardened throughout to resist torsional flexing and fatigue cracking. Inside the motor wet-end, six phenolic composite rotor vanes glide inside an induction-hardened ductile iron cylinder. Precision needle roller bearings support the case-hardened rotor shaft, preventing rotor drag against end plates during heavy breakaway spikes.
Hardware Performance Matrix
Commercial fleet tire service and heavy off-road equipment maintenance demand extended anvil reach and massive rotational breakaway force. This one-inch pneumatic impact wrench spins stubborn fleet lug nuts and heavy suspension fasteners free without extension bars.
- 1770 ft-lbs maximum torque output breaks stubborn fleet wheel studs and heavy chassis hardware
- 6-inch extended square drive anvil accesses recessed lug nuts inside deep-dish commercial truck wheels
- Rocking dog impact clutch mechanism delivers high single-blow kinetic energy on corroded threads
- Induction-hardened ductile iron motor cylinder withstands line scale contamination from plant air lines
- Swept-back D-handle with inside trigger provides firm two-handed leverage during horizontal wheel bolting
- Dual socket retention combines a friction ring and through-hole pin for absolute socket security
- 1/2-inch NPT air inlet port feeds high airflow volume to prevent pneumatic motor starvation
Dyno Realities Air Telemetry
Dynamometer testing measures dynamic air consumption of 37 CFM at 90 PSI dynamic under full load stall, jumping from 10 CFM at free-run. Free speed measures 5000 RPM, delivering 700 heavy blows per minute. Dynamic line pressure loss across 50 feet of 1/2-inch hose measures 7 PSI during stall cycles. Adiabatic expansion cools the handle exhaust to 27 degrees Fahrenheit, requiring dry air lines to prevent internal icing. Acoustic noise testing meters at 99 dBA under load.
Field Trade-Offs Application Filter
The six-inch extended anvil clears commercial truck duals, but twenty-eight pounds of forward-heavy mass demands steady two-handed positioning. Passenger car tire technicians working on light aluminum wheels must not buy this tool; 1770 ft-lbs of rotational impact will shear wheel studs and crack passenger car rims.
- Inject eight drops of ISO VG 32 pneumatic tool oil into the air inlet before each shift.
- Pack synthetic impact grease into the rocking dog clutch cavity every forty operating hours.
- Inspect the anvil through-hole pin and friction ring for wear before mounting sockets.
Commercial Warranty Package Inventory
Ingersoll Rand backs this heavy truck impact wrench with a 1-Year limited commercial warranty covering drive motor and clutch component defects. The shipping package contains the extended-anvil pneumatic impact wrench, an auxiliary side handle, an air inlet fitting adapter, and an original manufacturer instruction guide.
