Ingersoll Rand 47826773001 MLK Series Air Chain Hoist (Model ML1000KS-2F12A18-C12U) is a slow-speed spotting pneumatic hoist engineered for applications requiring exceptional load control and precise positioning. Featuring a 1 Ton (2,200 lb) lifting capacity, 18 ft lift, and 12 ft pendant control drop, this model is well suited for machinery installation, precision assembly, maintenance operations, and production environments where accurate load placement is critical. The pilot pendent control provides smooth, responsive operation for precise lifting and lowering.
Built on the proven MLK Series platform, the ML1000KS utilizes a reduced lifting speed for enhanced spotting accuracy while maintaining a 100% duty cycle for continuous industrial service. Its self-adjusting air-operated disc brake, enclosed planetary gearing, anti-friction bearings, and modular internal components help ensure dependable operation while simplifying routine maintenance. This model is supplied with a hook-mounted suspension and a steel snap hook for secure load handling.
Type: Air Chain Hoist | Series: MLK Series (Slow-Speed Spotting) | Model: ML1000KS-2F12A18-C12U | Capacity: 1 Ton (2,200 lbs) | Lift: 18 ft | Pendant Drop: 12 ft | Control Type: Pendent Control | Top Suspension: Hook Mount | Bottom Suspension: Steel Snap Hook | Chain Falls: 2 | Hook Mount Headroom: 18 in. | Trolley Mount Headroom: 18 in. | Lifting Speed (Rated Load): 11 ft/min (3.4 m/min) | Lifting Speed (No Load): 22 ft/min (6.7 m/min) | Lowering Speed (Rated Load): 33 ft/min (10.1 m/min) | Lowering Speed (No Load): 16 ft/min (4.9 m/min) | Chain Size: 6.4 × 19.5
Features:
- Slow-speed spotting configuration provides outstanding precision for controlled load positioning.
- 100% duty cycle supports continuous industrial operation.
- Pilot pendent control delivers smooth, responsive lifting and lowering.
- Self-adjusting, spring-applied, air-released disc brake securely holds suspended loads during operation.
- Planetary gear transmission distributes loads evenly across multiple gear teeth for improved durability.
- Ball and roller bearings promote smooth, reliable performance while reducing friction.
- Interchangeable motor, brake, and throttle assemblies simplify maintenance and minimize downtime.
- Integrated inlet swivel, exhaust chain lubrication, and accessible control adjustments facilitate routine servicing.
Applications:
- Precision machinery installation and alignment.
- Assembly operations requiring accurate load positioning.
- Maintenance and repair of industrial equipment.
- Handling dies, fixtures, tooling, and production components.
- Industrial lifting applications where controlled, slow-speed movement improves positioning accuracy.
FAQs:
- Q: What does the "KS" designation mean?
A: It identifies the slow-speed spotting version of the MLK Series, designed for enhanced precision during lifting and positioning. - Q: Why choose a slow-speed spotting hoist?
A: Reduced lifting speed provides greater control for delicate positioning and accurate placement of loads. - Q: What type of load attachment does this model use?
A: This model is equipped with a steel snap hook for secure load connection. - Q: What is the rated lifting capacity?
A: The ML1000KS-2F12A18-C12U is rated to lift loads up to 1 Ton (2,200 lbs) when operated within the manufacturer's specifications.

| 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 | |||||||||||||
| ML250K | 550 | 0.25 | 1 | 18 | 457.2 | 18 | 457.2 | 101 | 30.8 | 171 | 52.1 | 117 | 35.7 | 99 | 30.2 | 6.4 x 19.5 | 0.6 | 0.3 | 48 | 21.8 |
| ML250KS | 550 | 0.25 | 1 | 18 | 457.2 | 18 | 457.2 | 40 | 12.2 | 71 | 21.6 | 90 | 27.4 | 53 | 16.2 | 6.4 x 19.5 | 0.6 | 0.3 | 48 | 21.8 |
| ML250KR | 550 | 0.25 | 1 | 18 | 457.2 | 18 | 457.2 | 26 | 7.9 | 42 | 12.8 | 38 | 11.6 | 30 | 9.1 | 6.4 x 19.5 | 0.6 | 0.3 | 48 | 21.8 |
| ML500K | 1,100 | 0.50 | 1 | 18 | 457.2 | 18 | 457.2 | 55 | 16.8 | 106 | 32.3 | 97 | 29.6 | 59 | 18 | 6.4 x 19.5 | 0.6 | 0.3 | 48 | 21.8 |
| ML500KS | 1,100 | 0.50 | 1 | 18 | 457.2 | 18 | 457.2 | 22 | 6.7 | 44 | 13.4 | 66 | 20.1 | 32 | 9.8 | 6.4 x 19.5 | 0.6 | 0.3 | 48 | 21.8 |
| ML500KR | 1,100 | 0.50 | 2 | 18 | 457.2 | 18 | 457.2 | 13 | 4 | 21 | 6.4 | 20 | 6.1 | 15 | 4.6 | 6.4 x 19.5 | 1.1 | 0.5 | 61 | 27.7 |
| ML1000K | 2,200 | 1 | 2 | 18 | 457.2 | 18 | 457.2 | 28 | 8.5 | 53 | 16.2 | 49 | 14.9 | 30 | 9.1 | 6.4 x 19.5 | 1.1 | 0.5 | 61 | 27.7 |
| ML1000KS | 2,200 | 1 | 2 | 18 | 457.2 | 18 | 457.2 | 11 | 3.4 | 22 | 6.7 | 33 | 10.1 | 16 | 4.9 | 6.4 x 19.5 | 1.1 | 0.5 | 61 | 27.7 |
| HL1000K | 2,200 | 1 | 1 | 18.5 | 469.9 | 18.1 | 459.7 | 26 | 7.9 | 40 | 12.2 | 37 | 11.3 | 26 | 7.9 | 9.5 x 25.7 | 1.3 | 0.6 | 84 | 38.1 |
| HL1000KR | 2,200 | 1 | 1 | 18.5 | 469.9 | 18.1 | 459.7 | 26 | 7.9 | 40 | 12.2 | 37 | 11.3 | 26 | 7.9 | 9.5 x 25.7 | 1.3 | 0.6 | 84 | 38.1 |
| HL1500K | 3,300 | 1.50 | 1 | 18.8 | 477.5 | 18.9 | 480.1 | 16 | 4.9 | 28 | 8.5 | 26 | 7.9 | 16 | 4.9 | 9.5 x 25.7 | 1.3 | 0.6 | 84 | 38.1 |
| HL2000K | 4,400 | 2 | 2 | 23 | 584.2 | 21.6 | 548.6 | 13 | 4 | 20 | 6.1 | 18 | 5.5 | 13 | 4 | 9.5 x 25.7 | 2.6 | 1.2 | 125 | 56.7 |
| HL3000K | 6,600 | 3 | 2 | 25 | 635 | 22.6 | 574 | 8 | 2.4 | 14 | 4.3 | 13 | 4 | 8 | 2.4 | 9.5 x 25.7 | 2.6 | 1.2 | 125 | 56.7 |
| HL4500K | 9,900 | 4.50 | 3 | 30.9 | 784.9 | 28 | 711.2 | 4.6 | 1.4 | 10.5 | 3.2 | 10 | 3.1 | 6.6 | 2 | 9.5 x 25.7 | 3.9 | 1.8 | 193 | 87.5 |
| HL6000K | 13,200 | 6 | 4 | 36.2 | 919.5 | 32.2 | 817.9 | 3.5 | 1.1 | 8.4 | 2.6 | 7.6 | 2.3 | 4.8 | 1.5 | 9.5 x 25.7 | 5.2 | 2.4 | 248 | 112.5 |
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!
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For more information go to www.P65Warnings.ca.gov

