Fifth Wheel
Keystone RV Montana 3660rl
Compare specs across all model years (2016–2018)
3
Model Years
5
Sleeps
39' 4"
Length
16,215
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Montana 3660rl
Best Choice
Highest Mint Score (31.6). Most recent model year with latest updates.
What Changed Year-Over-Year
2017
2018
Weight Increase
GVWR increased from 16,000 to 16,645 lbs (645 lbs heavier).
2016
2017
Length Increased
Length changed from 37' 0" to 39' 4".
All Model Years
Best Value
2018
2018 Keystone RV Montana 3660rl
31.6
16,645 lbs GVWR
2,645 lbs Hitch
39' 4"
Sleeps 4
↑ 645 lbs heavier than 2017
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2017
2017 Keystone RV Montana 3660rl
31.4
16,000 lbs GVWR
2,660 lbs Hitch
39' 4"
Sleeps 6
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Check Towing
2016
2016 Keystone RV Montana 3660rl
30.6
16,000 lbs GVWR
2,660 lbs Hitch
37' 0"
Sleeps 6
Original model year
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Check Towing
Can Your Vehicle Tow the Montana 3660rl?
Enter your truck specs to see if any of these model years fit your towing capacity—and which year gives you the most safety margin.
Tip: Click a year to see the full specs, tow guidance, and recommended gear for that model year.

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