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May be shown with additional modifications or accessories. Does not include destination charge or set-up fees.

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Prove Yourself Above the Tree Line

The RMK® Assault® 155 is a backcountry mountain snowmobile built for extreme conditions. The tough-as-nails sled, featuring Walker Evans® shocks, is perfect for dominating cliffs and jumps. 

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Instantaneous Lift

The combination of the raised and lightweight AXYS® chassis, a powerful Polaris® engine, and the Polaris-exclusive track designs pop the RMK® on top of the snow. 

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Rider Balanced® Control

The AXYS® RMK® features Rider Balanced® positioning that delivers ultimate control for the rider for precise, effortless sidehilling. 

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Immediate Response

The world's best mountain sled is built to be the lightest and most rigid, making it incredibly responsive to rider inputs. This allows you to change direction and maneuver confidently in all conditions. 

Get the Colors You Want!

New for 2019 models, multiple colors and feature options are available on select models in-season through your local dealer. Contact your dealer for more details. 

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Snowmobiles Designed to Fit Every Rider

A wide range of proven sled options for confident control wherever you ride on the RMK® Assault®.  

Specifications

ENGINE & DRIVETRAIN

<span></span> Engine Options <span></span> 800 Cleanfire® H.O. 
<span></span> Engine Type/Cooling <span></span> Liquid Cooled 
<span></span> Disc Brake Type  <span></span> AXYS® RMK® LWT 
<span></span> Drive System Type  <span></span> Chaincase
<span></span> Drive/Driven Clutch  <span></span> P-85 / TEAM® LWT 

Suspension

<span></span> Front Suspension  <span></span> AXYS® Assault® Adjustable 
<span></span> Rear Suspension  <span></span> AXYS® RMK® 
<span></span> Shock Package <span></span> Walker Evans® Adj. Piggyback Needle 
<span></span> Ski Type  <span></span> Gripper 
<span></span> Track Options  <span></span> 2.25" Peak / 2.6" Series 6 

Dimensions

<span></span> Fuel Capacity (gal/L) <span></span> 11.5 / 43.5
<span></span> Overall Height (in/cm)  <span></span> 49.125 / 124.7
<span></span> Overall Width (in/cm)  <span></span> 46.5 / 1181.
<span></span> Ski Center Distance (in/cm)  <span></span> 41.5 - 42.5 - 43.5 / 105.4 - 108 - 110.5
<span></span> Overall Length (in/cm)  <span></span> 131 / 332.75
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