Go!

2026 ARCTIC CAT MTN 858 165 SP US BDP 3.0

MSRP:   $19,999.00

* Plus Applicable Charges

Highlights


Mountain Valley MS
In Stock
New
2026
ARCTIC CAT
MTN 858 165 SP US BDP 3.0
BLACK
Snowmobile
SNOWMOBILE
4UF1S2JH1TT100666
0666

RECENTLY VIEWED

info

ARCTIC CAT MOUNTAIN SLED

M858 WITH ALPHA 1 RAIL

165" TRACK LENGTH WITH 3" LUGS

AC5S SUSPENSION

PULL START / SPORT GAUGE

A NEW BREED OF POWER

858 ENGINE

The 858 two-stroke engine is designed for seamless integration into the new CATALYST platform. With an 8% increase in displacement, this engine houses an 11% increase in output over the C-TEC2 800 and weighs 4% less. It features an optimized air intake system, a new exhaust valve design for more consistent power and cleaner emissions, and an all-new crankcase for increased stroke and integrated engine mounts.


Arctic Cat Snowmobiles - Mountain Sleds - M Sno Pro

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.


Arctic Cat Snowmobiles - Mountain Sleds - M Sno Pro

ULTIMATE ADJUSTABILITY

AC5S SHOCKS

Designed by Arctic Cat, for Arctic Cat, the all new AC5S shocks offer 5 different positions and adjustable spring preload. They are uniquely calibrated for backcountry riding and showcase both Arctic Cat's legacy of durability and its signature style.

Arctic Cat Snowmobiles - Mountain Sleds - M Sno Pro

OPTIMIZED FOR DEEP SNOW

AWS 36 FRONT SUSPENSION

The AWS 36 Front Suspension was designed specifically with the M 858 in mind. With lightweight spindles and precision engineered geometry, this suspension system optimizes your performance in deep snow.

GOOGLE REVIEWS