When large fasteners push beyond the practical range of a 1/2" impact wrench, the AIRCAT 1680-A 3/4" Impact Wrench gives technicians the drive size and torque needed for heavy vehicle, agricultural, fleet, and industrial maintenance work. Its 1,400 ft-lbs maximum torque supports large bolt removal and installation on frames, equipment mounts, suspension components, wheel-area hardware, and machinery assemblies, while 1,600 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 1680-A uses a durable hard-hitting twin hammer mechanism (an impact design that delivers two balanced blows per rotation for steady torque transfer), making it a practical choice for large-bolt service where repeated impact output matters. Triple heat treated Ni-Cr-Mo alloy steel hammer mechanism components help support reliability under repeated impact loads, while AIRCAT's patented Silencing Technology reduces sound output to 89 dBA. The combined through-hole and friction-ring socket retainer gives technicians two ways to secure compatible 3/4" drive sockets during demanding removal and installation work.
Type: Impact Wrench | Model: 1680-A | Drive Size: 3/4" Square Drive | Free Speed: 4,500 RPM | Bolt Capacity: 1" | Impacts Per Minute: 950 IPM | Max Torque: 1,400 ft-lbs @ 90 PSI | Loosening Torque: 1,600 ft-lbs | Weight: 12.50 lbs. | Length: 8.90" | Air Consumption: 8 CFM | Recommended Hose Size: 1/2" | Air Inlet: 3/8" NPT | Noise Level: 89 dBA
Features:
- Provides 1,400 ft-lbs of maximum torque and 1,600 ft-lbs of loosening torque for large fastener removal and installation.
- Durable hard-hitting twin hammer mechanism supports strong impact output for repeated 3/4" drive service work.
- Patented Silencing Technology reduces operating noise to 89 dBA.
- Patented AIRCAT grip supports controlled handling during large-fastener removal, installation, and direction changes.
- Combined power management forward/reverse switch gives the operator direction and output control from the tool body.
- Triple heat treated Ni-Cr-Mo alloy steel hammer mechanism helps support reliability under repeated impact loads.
- Built for the very toughest working conditions, including large-bolt service and high-load maintenance tasks.
- Combined through-hole and friction-ring socket retainer helps secure compatible 3/4" drive impact sockets.
Applications:
- Fleet and truck maintenance: Removing and installing chassis fasteners, suspension hardware, frame brackets, mounts, guards, and large service bolts within the tool's torque range.
- Agricultural equipment service: Working on tractors, implements, service vehicles, frames, guards, mounts, and large-bolt assemblies that require 3/4" drive sockets.
- Industrial maintenance and MRO: Running down and removing large fasteners on machinery frames, access plates, equipment bases, 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 repair: Supporting service 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 1680-A best used for?
A: The AIRCAT 1680-A 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, large vehicle repair, heavy equipment work, and industrial MRO. - 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 1,400 ft-lbs maximum torque and 1,600 ft-lbs loosening torque. - Q: What air hose size should I use with the AIRCAT 1680-A?
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: What does the combined through-hole and friction-ring socket retainer do?
A: The retainer helps hold compatible 3/4" drive impact sockets on the anvil. The friction ring supports faster socket changes, while the through-hole allows use with appropriate retaining hardware when the application requires a more secure socket connection. - Q: Can I use 1/2" drive sockets with this impact wrench?
A: No. The 1680-A 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 |
Looking for more information about the Aircat Pneumatic Impact Wrenches? 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.
For more information go to www.P65Warnings.ca.gov
