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The Arctic Cat HCX 858 is a deep-snow mountain and crossover snowmobile built on the lightweight CATALYST platform.
| Manufacturer | Arctic Cat |
| Model | HCX |
| Condition | new |
| Engine Size | 858 |
• Engine: 858cc liquid-cooled 2-stroke 2-cylinder C-TEC2 EFI engine with an 8% increase in displacement and an 11% power output increase over the C-TEC2 800 while weighing less.
• Chassis & Drivetrain: CATALYST one-piece steel chassis with an aluminum tunnel, ADAPT CVT clutches, and a belt-drive system.
• Suspension: AWS 36 front suspension with Fox QS3/QSR shocks and a twin-rail HCX/Float-Action rear suspension tuned for aggressive bump absorption and trail-to-backcountry handling.
• Track: PowerClaw 146-inch length, 15-inch width, with 2.6-inch lugs (2.86 pitch).
• Design Differences: Unlike standard single-rail Alpha One mountain sleds, the HCX 858 utilizes a dual-rail skid, lay-down steering, and stiffer shock calibration for mixed-terrain and aggressive riding.
• Pricing & Availability: Base MSRP generally starts around $17,999 USD / $23,649 CAD depending on the region and trim package.