Challenger CLHM-MR20 20000 lb Air Wheel Lift System Low Ceiling Shops
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Challenger CLHM-MR20 20,000 lb Heavy-Duty Wheel Lift System for Low Ceiling Shops
The Challenger CLHM-MR20 Heavy-Duty Wheel Lift System delivers 20,000 lb lifting capacity with a 100% air-operated design that eliminates hydraulic maintenance. This portable two-lift system raises one end of a vehicle at a time with a maximum lift height of 30", making it the ideal solution for low ceiling environments. The built-in vehicle support stand feature provides complete open access under the vehicle for service work, while the portable design eliminates the need for a dedicated bay. Backed by Challenger's 5-year structural warranty, this American-engineered wheel lift system accommodates wheel diameters from 16" to 44" with included adapters.
Challenger CLHM-MR20 Features
Built-In Vehicle Support Stand
The CLHM-MR20 features an integrated support stand system with load retention pins that secure the vehicle at your desired working height. Once pinned, the air supply can be disconnected, allowing complete open access under the vehicle for service work without any obstruction from hydraulic lines or air hoses.
100% Air-Operated System
The pneumatic design operates on compressed air at 145-160 PSI, eliminating the need for hydraulic fluid, pumps, or related maintenance. The air control unit features dual levers that allow simultaneous operation of both lifts to keep the vehicle level during raising and lowering operations.
Low Ceiling Solution
With a minimum height of just 58 3/4" when lowered and maximum extended height of 88 3/4", the CLHM-MR20 is designed specifically for shops with ceiling height constraints. The 30" stroke provides ample lift height for most service operations while staying well under standard ceiling heights.
Portable Bay-Free Design
Unlike permanent lift installations, the CLHM-MR20's swivel casters allow you to roll the lifts to any location in your shop or even outdoors. This eliminates the need for a dedicated lift bay and provides maximum flexibility for shops with limited space or multiple service areas.
Adjustable Downstop System
Multiple downstop lugs along the lift column allow you to secure the vehicle at various heights. The downstop pawls automatically engage when lowering, and load retention pins provide an additional layer of safety by mechanically locking the lift in position.
Wide Wheel Compatibility
The lift pads accommodate wheels from 19" to 44" in diameter without adapters. With the included MR-Adapters installed, the minimum wheel diameter drops to 16", making this system compatible with a wide range of commercial trucks, buses, and heavy equipment.
Challenger CLHM-MR20 Applications
- Low Ceiling Service Bays: The compact 88 3/4" maximum height makes this lift ideal for shops with height restrictions where traditional two-post or four-post lifts won't fit.
- Commercial Truck Service: With 20,000 lb capacity and wheel compatibility up to 44", the CLHM-MR20 handles medium-duty trucks, delivery vehicles, and commercial vans.
- Major Component Removal: Lifting one axle at a time provides easy access for transmission, differential, and drivetrain service without removing aerodynamic components.
- Fleet Maintenance Facilities: The portable design allows a single wheel lift system to serve multiple service areas, maximizing equipment utilization across your facility.
- Mobile Service Operations: Transport the lifts to outdoor locations or customer sites for on-site heavy vehicle service where permanent lifts aren't available.
Challenger CLHM-MR20 Specifications
| Specification | Value |
|---|---|
| System Lifting Capacity | 20,000 lb |
| Capacity Per Lift | 10,000 lb |
| Maximum Tire to Fender Clearance | 8" |
| Specification | Value |
|---|---|
| Minimum Lift Height | Floor Level |
| Maximum Lift Height | 30" |
| Stroke | 30" |
| Specification | Value |
|---|---|
| Minimum Wheel Diameter (with adapters) | 16" |
| Minimum Wheel Diameter (without adapters) | 19" |
| Maximum Wheel Diameter | 44" |
| Specification | Value |
|---|---|
| Overall Width | 42 1/4" |
| Overall Depth | 43 1/4" |
| Overall Height (Lowered) | 58 3/4" |
| Overall Height (Raised) | 88 3/4" |
| Weight Per Lift | 594 lb |
| System Weight | 1,192 lb |
| Shipping Weight | 1,200 lb |
| Specification | Value |
|---|---|
| Power Source | Compressed Air |
| Operating Air Pressure | 145-160 PSI |
| Maximum Air Pressure | 160 PSI |
Challenger CLHM-MR20 Installation Requirements
Air Supply Requirements
Pressure: 145-160 PSI compressed air supply required for operation. Your shop air compressor must be capable of maintaining consistent pressure during lift cycles. No electrical connections are required for the lift itself.
Floor Requirements
Surface: Use only on hard, level surfaces capable of sustaining the load. Concrete floors in good condition are recommended. The swivel casters require a smooth, even surface for safe movement of the lifts.
Space Requirements
Lift Footprint: Each lift measures 42 1/4" wide x 43 1/4" deep. Ceiling Height: Minimum 89" ceiling clearance recommended to accommodate the 88 3/4" maximum extended height plus working room. Allow adequate space around the vehicle for operator access and air hose routing.
No Permanent Installation Required
The CLHM-MR20 is a portable system that requires no anchoring, concrete work, or permanent installation. Simply connect to your shop air supply and the system is ready for operation. Read the installation and operation manual completely before first use.
What's Included with the Challenger CLHM-MR20
- Two (2) CLHM-MR20 wheel lift units
- Air control unit with dual control levers
- Air hoses for both lifts
- MR-Adapters for 16"-19" wheel compatibility
- Load retention pins
- Installation, operation, and maintenance manual
Optional Accessories: Contact our sales team for information on additional adapters and replacement parts.
Not Included: Shop air compressor, air supply line to work area, unloading equipment (forklift required).
Challenger CLHM-MR20 Shipping and Delivery
Freight Shipping
Coverage: Free freight shipping to commercial addresses in the 48 contiguous United States. Shipping Weight: 1,200 lb. International: Contact sales for quote.
Delivery Requirements
Unloading: Forklift or loading dock required - driver does not assist with unloading. Delivery Type: Curbside delivery standard. Inspection: Inspect all packages immediately upon delivery for shipping damage. If damage is evident, note it on the delivery receipt and contact the carrier and manufacturer immediately.
Returns
Returns accepted within 30 days of delivery. Product must be unopened in original packaging with receipt. 20% restocking fee applies. Buyer responsible for return freight costs.
Challenger CLHM-MR20 Warranty
Challenger Limited Warranty
Challenger Lifts guarantees the CLHM-MR20 to the original owner with the following coverage:
- 5 Years: Structural parts including columns, carriages, and cross beams
- 1 Year: Functional parts including cylinders, hoses, fittings, valves, and controls
- 1 Year: Labor for replacement of defective parts
Requirements: Warranty registration must be completed online at challengerlifts.com. Product must be installed, used, and maintained according to Challenger specifications. Use of unapproved parts or accessories will void the warranty. This warranty extends only to the original purchaser and is not transferable.
Documents
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Questions About the Challenger CLHM-MR20?
Our equipment specialists can help with air supply requirements, specifications, and product selection for your shop.
Challenger CLHM-MR20 FAQ
What is the lifting capacity of the CLHM-MR20?
The CLHM-MR20 has a total system capacity of 20,000 lb when using both lifts together. Each individual lift has a maximum capacity of 10,000 lb. Always use the lifts in pairs on opposite ends of the same axle and never exceed the rated capacity.
What ceiling height do I need for this wheel lift?
The CLHM-MR20 has a maximum extended height of 88 3/4". We recommend a minimum ceiling clearance of 89" to accommodate the lift at full extension with adequate working room. When lowered, the lift measures 58 3/4" tall.
What air pressure is required to operate the lift?
The CLHM-MR20 requires compressed air at 145-160 PSI for proper operation. Your shop air compressor must be capable of maintaining consistent pressure during lift cycles. The maximum air pressure is 160 PSI.
Does the CLHM-MR20 require permanent installation?
No. The CLHM-MR20 is a fully portable system with swivel casters that requires no anchoring or permanent installation. Simply position the lifts, connect to your shop air supply, and the system is ready for operation.
What is the warranty coverage on the CLHM-MR20?
Challenger provides a 5-year warranty on structural parts, 1-year warranty on functional parts (cylinders, hoses, fittings, valves, controls), and 1-year labor warranty. Warranty registration must be completed online at challengerlifts.com and the product must be used according to Challenger specifications.
What is included with the CLHM-MR20 system?
The system includes two wheel lift units, an air control unit with dual levers, air hoses for both lifts, MR-Adapters for 16"-19" wheel compatibility, load retention pins, and the installation/operation manual. A shop air compressor is not included.
How is the CLHM-MR20 shipped?
The CLHM-MR20 ships via freight with a shipping weight of approximately 1,200 lb. Free freight shipping is included to commercial addresses in the 48 contiguous United States. A forklift or loading dock is required for unloading as the driver does not assist.
What wheel sizes are compatible with the CLHM-MR20?
Without adapters, the lift accommodates wheels from 19" to 44" in diameter. With the included MR-Adapters installed, the minimum wheel diameter is reduced to 16". The maximum tire to fender clearance is 8".
How does the CLHM-MR20 compare to the MR30 and MR40 models?
The MR20 has a 20,000 lb capacity (10,000 lb per lift), the MR30 has 30,000 lb capacity (15,000 lb per lift), and the MR40 has 40,000 lb capacity (20,000 lb per lift). All three models have the same 30" lift height. The MR40 is slightly larger with 45" width and 44" depth compared to 42 1/4" x 43 1/4" for the MR20 and MR30.
What maintenance is required for the CLHM-MR20?
Regular maintenance includes lubricating all rotating and sliding portions monthly, greasing the swivel casters and roller wheels, and oiling the downstop pivot shaft and release springs. Inspect air hoses daily for cuts or wear and check all structural components weekly for daily use or monthly for intermittent use.
Can I lift an entire vehicle with the CLHM-MR20?
No. The CLHM-MR20 is designed to lift one end of a vehicle at a time. Never lift an entire vehicle with this system and never use the lifts in conjunction with other lifting equipment. Always use the lifts in pairs on opposite ends of the same axle.
How do the built-in support stands work?
Once the vehicle is raised to your desired height, the downstop pawls engage the downstop lugs. You then insert the load retention pins through the lift stop bar and into the downstop lugs to mechanically lock the lifts in position. After pinning, you can disconnect the air supply and work safely under the vehicle.
California Proposition 65 Warning
WARNING: This product can expose you to chemicals including styrene and vinyl chloride, which are known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information, visit www.p65warnings.ca.gov.
About the Brand
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