
When larger fleet, agricultural, and industrial fasteners require more drive size than a 1/2" impact wrench can provide, the AIRCAT 1750-K 3/4" NITROCAT Composite Twin Clutch Impact Wrench gives technicians a high-torque pneumatic option for large-bolt service. Its 1,300 ft-lbs maximum torque supports frame hardware, suspension components, wheel-area fasteners, equipment brackets, and heavy assemblies, while 1,500 ft-lbs of loosening torque helps break tight or corroded fasteners free before run-down. The 3/4" square drive fits compatible 3/4" impact-rated sockets, and the 4,500 RPM free speed provides controlled run-down speed for larger fastener classes.
The 1750-K uses a smooth twin clutch mechanism (an impact design that builds torque quickly while helping reduce vibration), making it useful when technicians need strong initial hit without the abrupt feel of some conventional impact mechanisms. At 9.00 lbs. and 9.75" long, this 3/4" drive tool gives shops a manageable reinforced composite-body impact wrench for repeated service work. AIRCAT's patented Silencing Technology reduces noise to 90 dBA, while the combined through-hole and friction-ring socket retainer helps secure compatible sockets during large-fastener removal and installation.
Type: NITROCAT Composite Twin Clutch Impact Wrench | Model: 1750-K | Drive Size: 3/4" Square Drive | Free Speed: 4,500 RPM | Bolt Capacity: 7/8" | Impacts Per Minute: 1,000 IPM | Max Torque: 1,300 ft-lbs @ 90 PSI | Loosening Torque: 1,500 ft-lbs | Weight: 9.00 lbs. | Length: 9.75" | Air Consumption: 8 CFM | Recommended Hose Size: 1/2" | Air Inlet: 3/8" NPT | Noise Level: 90 dBA
Features:
- Provides 1,300 ft-lbs of maximum torque and 1,500 ft-lbs of loosening torque for large fastener removal and installation.
- Smooth twin clutch mechanism provides fast torque build-up and low vibration during repeated impact operation.
- Durable reinforced composite housing helps keep the 3/4" drive tool manageable for shop, fleet, and maintenance use.
- Patented Silencing Technology reduces noise to 90 dBA.
- Patented AIRCAT grip supports controlled handling during larger impact wrench applications.
- Combined through-hole and friction-ring socket retainer helps secure compatible 3/4" drive impact sockets.
- 1/2" recommended air hose and 3/8" NPT air inlet help maintain airflow for higher-torque pneumatic impact work.
Applications:
- Fleet and truck maintenance: Removing and installing suspension hardware, chassis fasteners, frame brackets, mounts, guards, and service components within the tool's torque range.
- Agricultural equipment service: Working on tractors, implements, service vehicles, frames, guards, mounts, and large-bolt assemblies that use 3/4" drive sockets.
- Industrial maintenance and MRO: Running down and removing large fasteners on machinery frames, equipment bases, access plates, fixtures, and plant repair assemblies.
- Bus and large vehicle repair: Servicing underbody components, drivetrain supports, suspension assemblies, and large repair-bay fasteners that call for 3/4" impact capability.
- Heavy equipment service: Supporting repair work on loaders, lifts, construction equipment, shop machinery, and support equipment where a 1/2" impact wrench may be underpowered.
FAQs:
- Q: What is the AIRCAT 1750-K best used for?
A: The AIRCAT 1750-K is best used for 3/4" drive fastening where large bolts need more torque and socket strength than a typical 1/2" impact wrench can provide. Common uses include fleet maintenance, agricultural equipment service, bus repair, heavy vehicle work, and industrial MRO. - Q: What is a smooth twin clutch mechanism?
A: A smooth twin clutch mechanism is an impact design that builds torque quickly while helping reduce vibration. On the 1750-K, that helps technicians work on large fasteners with strong initial torque and controlled impact action. - Q: What is the difference between maximum torque and loosening torque?
A: Maximum torque is the tool's headline output rating, while loosening torque is the breakaway force used to remove tightened or stuck fasteners. AIRCAT lists this model at 1,300 ft-lbs maximum torque and 1,500 ft-lbs loosening torque. - Q: What air hose size should I use with the AIRCAT 1750-K?
A: AIRCAT lists a 1/2" recommended hose size and a 3/8" NPT air inlet for this model. Using the recommended hose size helps maintain airflow so the tool can deliver proper torque and speed under load. - Q: Can I use 1/2" drive sockets with this impact wrench?
A: No. The 1750-K has a 3/4" square drive and should be used with compatible 3/4" drive impact-rated sockets. Do not use chrome hand sockets or undersized drive adapters for high-torque impact work.
| SKU | Free Speed (RPM) | Bolt Capacity (in.) | Square Drive (in.) | Impacts Per Minute | Max. Torque (ft-lb) @90 psi | Weight (lbs.) | Length (in) | Air Cons. (CFM) | Rec. Hose Size (in.) | Air Inlet NPT (in.) |
|---|---|---|---|---|---|---|---|---|---|---|
| 1750-K | 4,500 | 7/8 | 3/4 | 1000 | 1300 | 9.00 | 9.75 | 8 | 1/2 | 3/8 |
| 1680-A | 4,500 | 1 | 3/4 | 950 | 1400 | 12.50 | 8.90 | 8 | 1/2 | 3/8 |
| 1680-A-6 | 4,500 | 1 | 3/4 x 6 | 950 | 1400 | 14.80 | 14.80 | 8 | 1/2 | 3/8 |
For help choosing the correct Aircat Pneumatic Tools, 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.
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