Description

HCR 858
Racers Wanted
The HCR is ready for steep ascents and has all the power hillclimb circuit racers expect. Jump on and get ready to stand on the podium.
| 154″/2.60″ |
PowerClaw |
Manual |
AWS 36 |
Race Green |
| Track/Lug |
Track Type |
Starter |
Suspension |
Color |

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PEAK PERFORMANCE UNLOCKED
CATALYST CHASSIS
The revolutionary CATALYST platform has been built from the ground up to optimize every aspect of your ride, so much so that you’ll feel at one with the sled. With enhanced ergonomics, a lower center of gravity, our exclusive laydown engine design, specially calibrated suspension and more, this changes everything.
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UNMATCHED CONTROL
ALPHA ONE SINGLE-BEAM REAR SUSPENSION
Arctic Cat’s revolutionary single-beam rear suspension changes the game for mountain snowmobiles. The unique monorail design sheds snow to keep your sled light and equalizes floatation across the width of the track. ALPHA ONE offers unmatched maneuverability and flotation – allowing you effortlessly go where others are left stuck and tired.
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OPTIMIZED FOR DEEP SNOW
AWS 36 FRONT SUSPENSION
The AWS 36 Front Suspension with FOX QSR3 shocks delivers confident control and maneuverability in deep snow. Lightweight spindles and precision-engineered geometry help optimize performance, while the vertical steering post provides a traditional feel for riders who like to get after it.
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KEEP YOURSELF PLANTED
TWIN RAIL SUSPENSION
The twin rail braced suspension with FOX QS3 front track shock and FOX QS3R rear track shock is built for the toughest race course. With two braced rails, it delivers a solid, predictable feel that keeps the track straight and the power locked in — even when the hill gets rutted, windblown or near vertical.

Purpose-Built Power
858 ENGINE
Push the limits with a strong, responsive output across the full RPM range with a consistent pull you can feel. The 858 two-stroke EFI engine is designed for seamless integration with the Arctic Cat CATALYST platform. Patented exhaust valves and a sealed intake system maximize airflow and throttle response, while a purpose-built design reduces weight. All resulting in a compact, durable package built to perform season after season.
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UNPRECEDENTED TRACTION
POWER CLAW TRACK
Unlock the backcountry with PowerClaw™, a lightweight track that delivers the ultimate deep snow traction and performance. The staggered, forward curving paddle tower design won’t fold over, allowing you to float over the deepest snow. Available in 154-in with 2.6-in lugs.

INCREASED DURABILITY
ARCTIC CAT MOUNTAIN BELT DRIVE
The CATALYST platform utilizes Arctic Cat’s belt drive system rather than a chain drive. This allows for enhanced durability and fewer parts in the system. The adjustable center distance allows for multiple ratio options and makes servicing simple. Additionally, the track included with the AC Mountain Belt Drive ensures that the sled gets up on the snow quicker, avoiding trenching issues.
ENGINE
|
HCR 858 |
| Engine Type |
2-Stroke |
| Displacement (cc) |
858cc |
| Cooling |
Liquid |
| Cylinders |
2 |
| Bore x Stroke (mm) |
85 x 75.6 mm |
| Lubrication |
Electronic Injection |
| Ignition |
Digitally Controlled CDI |
| Engine Starter Output |
270 W @ 3000 RPM |
| Fuel Delivery |
Next Generation C-TEC2 |
| Exhaust |
APV IV w/ Full Stainless Steel Exhaust & EGT Sensors |
| Fuel Capacity |
10.4 gal |
| Oil System Capacity |
3.0 qt |
| Coolant System Capacity |
4.2 qt |
| Minimum Octane |
91 |
POWERTRAIN
|
HCR 858 |
| Drive Clutch |
ADAPT |
| Driven Clutch |
ADAPT |
| Drive System |
AC M Belt Drive |
| Brakes |
Stealth 88 Hydraulic Master Cylinder |
| Clutch Calibration |
6,000-8,000 ft. |
| Gearing |
24/63 |
| Chain Pitch |
Belt |
| Track Drive Sprocket |
9 Tooth, 2.86 Pitch, Exvolute |
| Reverse |
Push-Button Engine |
SUSPENSION
|
HCR 858 |
| Front Suspension |
AWS 36 |
| Ski Shocks |
Fox 1.5 Zero QS3 LW |
| Sway Bar |
N/A |
| Front Travel |
7.6 in |
| Rear Suspension |
HCX Rear Suspension |
| Front Track Shock |
Fox 1.5 QSL-QSR LW |
| Rear Track Shock |
Fox 1.5 QSL-QSR LW |
| Rear Travel |
14.5 in |
DIMENSIONS
|
HCR 858 |
| Overall Chassis Length |
126.5 in |
| Overall Chassis Width |
42-44 in |
| Overall Chassis Height |
50 in. |
| Track Type |
Power Claw |
| Track Width |
15 in. |
| Track Length |
154 in |
| Lug |
2.60 in |
| Pitch |
2.86 in |
| Ski Stance |
35-37 in – Adjustable |
| Ski Type/Width |
G2 ProClimb – 7 in |
| Runner Type |
Single Runner w/ Carbide |
INSTRUMENTATION
|
HCR 858 |
| Type of Gauge |
Sport |
| Speedometer |
Digital |
| Tachometer |
Digital |
| Odometer |
Digital |
| Fuel |
Digital |
| Oil |
LCD Icon |
| Coolant |
Digital Bar Graph |
| Clock |
N/A |
| Battery Voltage |
N/A |
| Altimeter |
N/A |
| Hours |
Digital |
FEATURES
|
HCR 858 |
| Color |
Race Green |
| Heat Exchanger |
Front/Short Tunnel |
| Starter |
Manual |
| Handlebars |
Hooked w/ Grab Handle |
| Lighting |
LED |
| Seating |
Mountain |
| Standard Accessories |
12V Outlet, Sport Front Bumper, Integrated Goggle Holder, ATACH Mounting, Hand & Thumb Warmers, Ice Scratchers, Lightweight Mountain Brake Disc, Vertical Steering, Tether Switch, Visor Plug-In |
| Windshield |
N/A |
*Vehicle specifications are subject to change.
*Price includes a one year warranty. Price does not include freight or set-up fees and is subject to change.
WARNING: Arctic Cat snowmobiles can be hazardous to operate. For your safety, all riders should read and understand their owner’s manual and safety instructions. Always wear an approved helmet and other safety apparel. Be aware of natural hazards you may encounter and don’t drink and ride. All scenes depicted or described were performed by professional riders under carefully controlled conditions. Never attempt to duplicate these maneuvers or encourage others to do so. Arctic Cat recommends that all operators take a safety training course. For safety and training information, please see your local dealer.