2026 Arctic Cat M858 ALPHA 154 G8

The 2026 Arctic Cat M858 Alpha One 154 G8 with only 332.7 miles is a high-performance mountain snowmobile built on the Catalyst chassis, featuring a new 858cc C-TEC2 engine and specialized Alpha One single-rail rear suspension. Available with G8 digital display, it offers 3.0-inch or 2.6-inch PowerClaw tracks, AC5S adjustable shocks, and optimized, lightweight components.

• Engine: 858cc, 2-stroke C-TEC2 Twin Cylinder, liquid-cooled EFI.
• Engine Updates: New engine mounting and composite Torque Control Link (TCL) to reduce vibration.
• Drive: ADAPT CVT clutch with a belt drive system.
• Exhaust: APV IV with full stainless steel exhaust and EGT sensors
• Chassis: Catalyst (reduced weight, optimized ergonomics).
• Rear Suspension: ALPHA ONE Mono-Rail (single rail) with 10-inch rear wheels.
• Front Suspension: AWS 36 (Independent Double Wishbone).
• Shocks: AC5S premium piggyback shocks (5-position adjustable).
• Ski Stance: Adjustable 35-37 inches.
• Length: 154 inches.
• Lug Height: Options for 2.6-inch or 3.0-inch PowerClaw tracks.
• Track Width: 15 inches.
• Width: Approx. 42-44 inches