Designed for demanding industrial lifting applications, the Ingersoll Rand 7790A-2K23-K12U ARO Series Air Chain Hoist delivers a 2,200 lb (1 Metric Ton) lifting capacity with a 23 ft lift and 12 ft Pendent drop. Powered by compressed air, this pneumatic chain hoist is engineered for reliable overhead material handling in manufacturing facilities, maintenance departments, assembly operations, and industrial production environments where continuous-duty performance and precise load positioning are required.
Built on the proven ARO 7790A platform, this configuration features Pendent Control, Bullard Hooks with Manual Close, and a canvas chain container for organized chain storage. The hoist incorporates a self-cooling rotary air motor, compact planetary gear transmission, and a spring-applied, air-released automatic disc brake that securely holds suspended loads whenever the air supply is interrupted, providing dependable performance for demanding industrial applications.
Type: Air Chain Hoist | Series: ARO 7790A Series | Model: 7790A-2K23-K12U | SKU: 7790A-2K23-K12U | Capacity: 2,200 lb (1 Metric Ton) | Lift: 23 ft | Pendent Drop: 12 ft | Control Type: Pendent Control | Top Suspension: Bullard Hook, Manual Close | Bottom Suspension: Bullard Hook, Manual Close | Chain Container: Canvas | Chain Falls: 1 | Rated Lift Speed: 26 ft/min (7.9 m/min) | No Load Lift Speed: 37 ft/min (11.3 m/min) | Rated Lowering Speed: 44 ft/min (13.4 m/min) | No Load Lowering Speed: 31 ft/min (9.5 m/min) | Hook Mount Headroom: 18.9 in (480.1 mm) | Trolley Mount Headroom: 15 in (381 mm) | Chain Size: 0.312 x 0.858 in | Chain Weight: 0.9 lb/ft (0.4 kg/ft) | Working Pressure: 70–100 PSI (5–7 bar) | Air Consumption @ Rated Load: 70 CFM (1.98 m³/min) | Air Inlet: 1/2 in NPT | Sound Level: 85 dBA
Features:
- 2,200 lb (1 metric ton) lifting capacity for demanding industrial overhead lifting applications.
- 23 ft lift provides extended vertical travel for high-reach material handling.
- 12 ft Pendent drop allows convenient floor-level operation.
- Pendent Control enables smooth, responsive, and accurate load positioning.
- Bullard Hooks with manual-close latches provide secure upper suspension and load attachment.
- Factory-installed canvas chain container keeps excess load chain organized during operation.
- Single-fall load chain design minimizes headroom while maintaining efficient lifting performance.
- Planetary gear transmission delivers dependable power transfer and smooth operation.
- Spring-applied, air-released automatic disc brake securely holds suspended loads whenever the air supply is interrupted.
- 100% duty cycle supports continuous industrial service.
Made in USA: 
Applications:
- Manufacturing facilities.
- Assembly and production operations.
- Industrial maintenance departments.
- Machine shops and fabrication facilities.
- Overhead lifting applications requiring Bullard Hooks with Manual Close and precise Pendent Control.
FAQs:
- Q: What is the lifting capacity of this hoist?
A: This model is rated for 2,200 lb (1 metric ton). - Q: What lift height and Pendent drop does this configuration provide?
A: This hoist includes a 23 ft lift and a 12 ft Pendent drop. - Q: What does the "U" suffix indicate?
A: The "U" suffix designates a factory-installed canvas chain container. - Q: What type of hooks are supplied?
A: This model is equipped with Bullard Hooks featuring manual-close latches for both the upper suspension and lower load hook. - Q: What operating air pressure is recommended?
A: Operate the hoist using clean, dry compressed air between 70 and 100 PSI (5–7 bar).

| SKU | Capacity | Hook Mount Headroom |
Trolley Mount Headroom |
Lifting Speed | Lowering Speed | Chain Size |
Chain Weight (per foot of lift) |
Net Weight w/10 ft of lift |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| lb | metric tons |
# Falls | in | mm | in | mm | Rated Load | No Load | Rated Load | No Load | lb | kg | lb | kg | ||||||
| ft/min | m/min | ft/min | m/min | ft/min | m/min | ft/min | m/min | |||||||||||||
| 7770E | 275 | 0.125 | 1 | 17 | 431.8 | 16.9 | 429.3 | 110 | 33.5 | 192 | 58.5 | 275 | 83.8 | 159 | 48.5 | 0.25 x 0.75 | 0.6 | 0.3 | 41 | 18.6 |
| 7718E | 550 | 0.25 | 1 | 17 | 431.8 | 16.9 | 429.3 | 82 | 25 | 184 | 56.1 | 224 | 68.3 | 153 | 46.6 | 0.25 x 0.75 | 0.6 | 0.3 | 41 | 18.6 |
| 7756E | 1,100 | 0.50 | 1 | 17 | 431.8 | 16.9 | 429.3 | 41 | 12.5 | 72 | 22 | 112 | 34.1 | 60 | 18.3 | 0.25 x 0.75 | 0.6 | 0.3 | 41 | 18.6 |
| 7776E | 2,200 | 1 | 2 | 21.7 | 551.2 | 20.5 | 520.7 | 21 | 6.4 | 36 | 11 | 56 | 17.1 | 30 | 9.1 | 0.25 x 0.75 | 1.7 | 0.5 | 53 | 24 |
| 7790A | 2,200 | 1 | 1 | 18.9 | 480.1 | 15 | 381 | 26 | 7.9 | 37 | 11.3 | 44 | 13.4 | 31 | 9.5 | 0.312 x 0.858 | 0.9 | 0.4 | 62 | 28.1 |
| 7792A | 4,400 | 2 | 2 | 22.4 | 569 | 18 | 457.2 | 12 | 3.7 | 20 | 6.1 | 24 | 7.3 | 17 | 5.2 | 0.312 x 0.858 | 1.8 | 0.8 | 81 | 36.7 |
Looking for more information about Ingersoll Rand Air Hoist? Click here to view the Catalog
Need more feet of chain or a longer pendant hose? How about a motorized trolley? Give us a call at 1-800-608-5210 or email info@intlairtool.com. We can help!
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
