Challenger CLHM-ACA Angled Cab Off Adapter for Mobile Column Lifts

Not every truck cab sits level on its mount points. Certain cab configurations, body styles, and mounting geometries create angled contact surfaces that a standard flat cab-off adapter can't engage cleanly. You end up shimming, repositioning, or worse, making contact on an edge instead of a full surface. The Challenger CLHM-ACA angled cab off adapter is built for exactly those situations, providing an angled contact profile that matches the cab's mounting geometry for secure, full-surface engagement during cab removal and installation.

The CLHM-ACA is part of Challenger's CLHM mobile column lift accessory family. Challenger already offers the CLHM-CA-15 as their standard cab-off adapter with adjustable length for 2-door and 4-door trucks. The CLHM-ACA adds the angled contact geometry that the standard adapter doesn't provide, making it the right choice when your truck platform presents cab mount points that sit at an angle relative to the lift column's vertical axis.

Cab-off work is one of the highest-stakes procedures in heavy truck service. You're elevating several hundred pounds of cab above technicians working on engine and transmission components below. The adapter's contact surface needs to match the cab's mounting points precisely, not just make contact at one corner. The angled design of the CLHM-ACA ensures stable, distributed loading throughout the lift stroke so your techs can work underneath with confidence.

Specifications

Part Number CLHM-ACA
Type Angled Cab Off Adapter
Accessory Family CLHM Mobile Column Lift Accessories
Compatible Lifts Challenger CLHM Mobile Column Lifts (call to confirm specific model compatibility)
Brand Challenger Lifts (Genuine OEM)
Country of Origin USA

What's Included

Call to confirm included accessories.

Applications

Angled Cab Mount Configurations

Truck platforms where the cab-to-frame mounting geometry creates an angled lift point. The CLHM-ACA's angled contact profile matches these surfaces for full engagement instead of edge-only contact.

Pickup Truck Cab-Off Service

Major engine, transmission, and wiring harness work on modern pickups often requires full cab removal. When the cab mount points on your specific truck platform sit at an angle, the CLHM-ACA provides the proper contact geometry.

Fleet and Dealership Heavy Service

Shops performing cab-off procedures across multiple truck makes and model years benefit from having both the standard CLHM-CA-15 and the angled CLHM-ACA available. Different platforms present different mounting angles, and the right adapter eliminates shimming and repositioning.

Complement to Standard Cab-Off Adapter

The CLHM-ACA works alongside the CLHM-CA-15 in your adapter inventory. Use the standard adapter when cab mounts are flat, and switch to the angled adapter when the geometry requires it. Both are genuine CLHM-series accessories.

Warranty

Challenger Lifts provides a limited warranty to the original purchaser covering repair or replacement of defective parts, including reasonable labor and transportation costs. The product must be installed, used, and maintained according to Challenger's official specifications.

Coverage applies to products installed within the United States and Canada and is not transferable. Exclusions include normal wear and tear, damage from misuse or improper installation, and repairs performed by unauthorized service representatives. Use of unapproved parts or accessories voids coverage.

Warranty registration may be required after purchase. Refer to included documentation for details.

Questions Before You Buy?

Call our team at (855) 498-2147 to confirm the CLHM-ACA is compatible with your specific CLHM mobile column lift model, discuss which truck platforms require the angled adapter vs. the standard CLHM-CA-15, or get help with any questions about the Challenger angled cab off adapter.

Frequently Asked Questions

Which Challenger mobile column lifts are compatible with the CLHM-ACA?

The CLHM-ACA is part of the CLHM mobile column lift accessory family. Challenger's CLHM series includes the CLHM-140 (14,000 lb) and CLHM-190 (19,000 lb) heavy-duty mobile column lifts. Call us at (855) 498-2147 to confirm the CLHM-ACA is compatible with your specific CLHM model and configuration before ordering.

What's the difference between the CLHM-ACA and the CLHM-CA-15?

The CLHM-CA-15 is Challenger's standard cab-off adapter with a 1,500 lb capacity (per pair), adjustable length for 2-door and 4-door trucks, and stackable 3" and 6" height adapters. It's designed for flat cab mount contact surfaces. The CLHM-ACA is the angled version, providing an angled contact profile for truck platforms where the cab mounting points sit at an angle relative to the lift column. Choose based on the cab mount geometry of the trucks you service.

When do I need the angled adapter instead of the standard one?

You need the CLHM-ACA when the cab-to-frame mounting geometry on your truck creates an angled lift point that a flat adapter can't fully engage. If you're seeing edge-only contact, shimming, or pad walk during cab-off procedures with the standard CLHM-CA-15, the angled adapter likely provides the correct contact profile for that platform. Call us to discuss your specific truck make and model.

Is the CLHM-ACA compatible with the CLMM-5000 medium-duty mobile columns?

CLHM-series cab-off adapters are designed for use with Challenger's CLHM heavy-duty mobile column lifts, not the CLMM-5000 medium-duty columns. The CLHM-CA-15 product listing explicitly states it is not compatible with CLMM-5000 lifts, and the same restriction likely applies to the CLHM-ACA. Confirm compatibility with your specific lift model before ordering.

Can I use both the CLHM-ACA and CLHM-CA-15 on the same job?

That depends on the cab mount configuration of the specific truck. Some cab-off procedures may use a mix of flat and angled contact points across different mounting locations. Call us to discuss your specific application and whether a combined adapter setup is appropriate for the trucks you service.

Is this a genuine Challenger part?

Yes. The CLHM-ACA is a genuine Challenger Lifts OEM accessory manufactured in the USA. Using the OEM adapter ensures proper fitment with your CLHM mobile column lift system and maintains the safety and performance standards Challenger designs into its cab-off accessories.

What safety precautions apply to cab-off work?

Cab-off procedures involve elevating several hundred pounds of vehicle cab above technicians working below. Always use the proper adapter for the cab's mounting geometry, verify full-surface contact before lifting, follow Challenger's operational procedures for your mobile column lift model, and never work under a raised cab without confirming all safety systems are engaged. The CLHM-ACA provides the angled contact profile needed for stable loading when flat adapters can't fully engage the cab mount points.

Is the CLHM-ACA covered under Challenger's warranty?

Yes. Challenger Lifts provides a limited warranty to the original purchaser covering repair or replacement of defective parts. The adapter must be used according to Challenger's specifications. Coverage is not transferable, and warranty registration may be required after purchase.

Q: Which Challenger mobile column lifts are compatible with the CLHM-ACA? A: Part of the CLHM accessory family for heavy-duty mobile column lifts including the CLHM-140 (14,000 lb) and CLHM-190 (19,000 lb). Confirm specific model compatibility before ordering. Q: What is the difference between the CLHM-ACA and CLHM-CA-15? A: The CLHM-CA-15 is the standard flat cab-off adapter with 1,500 lb capacity per pair and adjustable length. The CLHM-ACA provides an angled contact profile for truck cab mounts that sit at an angle. Choose based on cab mount geometry. Q: When do I need the angled adapter instead of the standard one? A: When the cab mount geometry creates angled lift points that a flat adapter cannot fully engage. Signs include edge-only contact, shimming, or pad walk during cab-off with the standard CLHM-CA-15. Q: Is the CLHM-ACA compatible with the CLMM-5000? A: CLHM-series cab-off adapters are designed for CLHM heavy-duty mobile columns, not the CLMM-5000 medium-duty columns. Confirm compatibility before ordering. Q: Can I use both CLHM-ACA and CLHM-CA-15 on the same job? A: Depends on the truck's cab mount configuration. Some setups may use mixed flat and angled contact points. Call to discuss your specific application. Q: Is this a genuine Challenger part? A: Yes, the CLHM-ACA is a genuine Challenger Lifts OEM accessory manufactured in the USA for CLHM mobile column lift systems. Q: What safety precautions apply to cab-off work? A: Use proper adapter for cab mount geometry, verify full-surface contact before lifting, follow Challenger operational procedures, and confirm all safety systems are engaged before working under a raised cab. Q: Is the CLHM-ACA covered under warranty? A: Yes, Challenger provides a limited warranty covering repair or replacement of defective parts for the original purchaser. Registration may be required.

About the Brand

Challenger

Challenger Lifts has been building professional vehicle lifting equipment since 1987. Their lineup covers two-post lifts, four-post lifts, inground lifts, mobile columns, and more. Each product is manufactured in Louisville, Kentucky, ALI-certified, and built to hold up in a working shop. Challenger is a brand serious shops have relied on for over three decades.

View All Challenger Products

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