Product Overview

The 2026 Arctic Cat EXT Special 858 ATAC ES is a flagship trail snowmobile that revives classic retro graphics (paying homage to the 1971 EXT) while introducing industry-first technology to the Arctic Cat lineup.

Technical Specs

Features and Options

• Engine: 858cc, 2-stroke C-TEC2 twin-cylinder engine with an 8% increase in displacement and 11% more output than the C-TEC2 800, featuring a rotary exhaust valve design.
• Platform: Built on the lightweight Catalyst chassis.
• Power Steering (EPS): The industry’s first two-stroke snowmobile with electronic power steering, turning a 37-degree bar angle into a 62-degree turn radius to dramatically reduce arm fatigue and handle aggressive skis.
• Suspension: Equipped with the Fox ATAC (Arctic Cat Adjustable on the Fly) electronic suspension system, offering Soft, Medium, and Firm modes adjustable directly from the handlebars.
• Track: 137-inch pre-studded Ice Ripper XT track with 1.25-inch lugs.
• Skis & Handling: C&A Pro XPT skis paired with 6-inch Woody’s Dooly runners.
• Dry Weight: 492 lbs (223 kg)
• Fuel Capacity: 10.4 gallons (39.4 litres)
• Dash & Tech: G8 digital display gauge, electric start (ES), and retro Quicksilver / Pinnacle Purple styling.