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
- Type
- Impact Wrench
- RPM
- 4500
- Bolt Capacity (in.)
- 1
- Drive Type
- Square Drive
- Drive Size (in.)
- 3/4
- Impacts Per Minute
- 950
- Max Torque (ft-lbs)
- 1400
- Air Consumption (CFM)
- 8
- Recom. Hose Size (in.)
- 1/2
- Air Inlet
- 3/8"
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