Fifth Wheel
Heartland Sundance Sd-3700-rlb
Compare specs across all model years (2017–2018)
2
Model Years
10
Sleeps
42' 1"
Length
15,500
Avg GVWR
Our Recommendation
Which Year Should You Buy?
2018 Sundance Sd-3700-rlb
Best Choice
Lightest GVWR (15,500 lbs) makes it towable by more vehicles. Highest Mint Score (27.1).
What Changed Year-Over-Year
2017
2018
Capacity Change
Sleeping capacity changed from 11 to 9.
All Model Years
Best Value
2018
2018 Heartland Sundance Sd-3700-rlb
27.1
15,500 lbs GVWR
2,300 lbs Hitch
42' 1"
Sleeps 9
↓ Sleeps 2 fewer than 2017
View Full Specs
Check Towing
2017
2017 Heartland Sundance Sd-3700-rlb
26.1
15,500 lbs GVWR
2,300 lbs Hitch
42' 1"
Sleeps 11
Original model year
View Full Specs
Check Towing
Can Your Vehicle Tow the Sundance Sd-3700-rlb?
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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