The entry-level mountain sled in Polaris's RMK line, the 600 RMK 144 is built for riders who split time between groomed trails and off-trail powder rather than committing fully to deep-snow climbing. The IGX 144 rear suspension is tuned to deliver RMK-inspired off-trail agility with a notably improved on-trail ride, which is what sets it apart from the longer Pro RMK variants above it in the range.

Model specs
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All 7 model years, 2016 to 2022.
| Spec | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 |
|---|---|---|---|---|---|---|---|
Engine & Performance | |||||||
| Fuel Capacity | 12 gal | 12 gal | 12 gal | 12 gal | 12 gal | 12 gal, changed from the previous model year | 11.5 gal |
Dimensions & Weight | |||||||
| Dry Weight | 480 lbs | 480 lbs | 480 lbs, changed from the previous model year | 455 lbs | 455 lbs | 455 lbs, changed from the previous model year | 450 lbs |
Suspension & Track | |||||||
| Suspension Type | IGX 144 | IGX 144 | IGX 144 | IGX 144 | IGX 144 | IGX 144, changed from the previous model year | RMK |
2016 - PresentPRO RMK
2017 – 2017PRO RMK LE
2026 - PresentPRO RMK Limited Edition
2022 – 2024PRO RMK Slash
2016 – 2016RMK 155
2016 – 2019RMK Assault
2020 – 2024RMK EVO
2027 - PresentRMK Factory Edition
2020 - PresentRMK Khaos
2025 – 2025RMK Khaos 70th Anniversary Edition
2026 - PresentRMK Khaos Limited Edition
2022 – 2024RMK Khaos Slash
2025 - PresentRMK SP
2027 - PresentRMK SPS
2016 – 2024SKS
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