2025 Heartland Heartland Bighorn 3375SS
Heartland·Fifth Wheel·2025

Heartland Bighorn 3375SS

4.4across 3,500 reviews on retail listings
|38 ft|12,500 lbs|Sleeps 4

The Heartland Bighorn 3375SS is a luxury fifth wheel with a spacious rear living layout. Known for quality construction and full-timer-friendly features like a washer/dryer prep and residential appliances.

Full-TimeLuxurySnowbirds4-Season

MSRP from

$85,000

$$$ Premium

Solar200W
Slide-Outs3

Specifications

Length

38 ft

Weight

12,500 lbs

Sleeps

4

Fresh Water

65 gal

Gray Water

80 gal

Black Water

40 gal

Features

Triple Slide-Outs
King Bed
Residential Fridge
Free-Standing Dinette
Fireplace
Theater Seating
Central Vacuum

Highlights

Road Armor suspension absorbs bumps better than most fifth wheels
Heartland's build quality rivals Grand Design at a lower price point
Central vacuum system is a surprisingly useful full-timer feature

What owners report

Summarized from Reddit and owner forums — not a first-hand test.

The Heartland Bighorn 3375SS is a mid-profile, multi-slide fifth wheel pitched at full-timers and serious long-haul campers who want a residential interior without a six-figure price tag. Around $85K it delivers a lot of trailer — a real kitchen, comfortable living space, generous tanks, and basement storage — in a package that tows far more stably than a bumper-pull of the same size thanks to the fifth-wheel hitch. For the buyer prioritizing living space and dollar-for-dollar value, it's an appealing platform, and the owners who get a good one tend to keep them for years.

The catch, well documented across Heartland forums, is water. The Bighorn's most persistent complaint is water intrusion: bedroom slides leaking onto the floor, roof leaks traced to the wrong sealant, slide-outs that don't seal tightly, and in worse cases rotted slide floors and a flooded underbelly. Pair that with cheap interior trim that falls off, low-grade furniture, and a customer-service experience that has left some owners feeling blamed rather than helped, and the picture is clear: this is a value rig that rewards a buyer who inspects relentlessly, reseals proactively, and stays on top of maintenance. The owners who do that — and several have full-timed happily for years — speak well of it.

It's best for the value-focused full-timer or long-term camper who wants maximum living space per dollar and is comfortable being hands-on with upkeep and warranty follow-up. Cross-shop it against a Grand Design Solitude or Reflection, which generally earn stronger build-quality marks but cost more, and against the Airstream Classic 33FB, a totally different (and far pricier) towable that trades the Bighorn's space and slides for an iconic shell and bulletproof resale. The Bighorn 3375SS wins on space-per-dollar; just budget for sealant, inspections, and patience with the first-year punch list.

What owners like

  • +Residential, full-time-ready interior with multiple slides, a real kitchen, and a comfortable living area that makes long stays genuinely livable
  • +Strong value pricing around $85K undercuts comparably sized luxury fifth wheels while still delivering a high-end-feeling floorplan
  • +Mid-profile fifth-wheel design lowers towing height versus full-height rigs, easing wind drag and clearance worries somewhat
  • +Large holding tanks and residential appliances support extended off-grid or long-term hookups better than smaller bumper-pull trailers
  • +The fifth-wheel hitch connection tows far more stably and confidently than a travel trailer of similar size, especially in crosswinds and on grades
  • +Generous storage including a front pass-through basement gives full-timers room for tools, gear, and outdoor equipment
  • +Heartland's owner community and parts support are well established, so help and replacement parts are easy to find

Common complaints

  • −Water intrusion is the signature complaint — owners report bedroom slides leaking water into the floor, roof leaks from wrong sealant, and rotted slide floors
  • −Interior materials feel cheap for the segment: flimsy wood trim falling off, low-grade furniture, and finish that doesn't always match the marketing
  • −Heartland's customer service has frustrated owners; some report the company blaming the customer for 'lack of maintenance' rather than owning poor workmanship
  • −The classic first-year shakedown applies in force — expect to find and chase down a long punch list of defects while under warranty
  • −Dealers can be slow to complete warranty repairs, so a leak you spot early may sit unresolved through a camping season

Questions owners ask

What's the biggest problem owners report with the Bighorn 3375SS?
Water intrusion, by a wide margin. Owners report bedroom slides leaking water into the floor, roof leaks caused by the wrong sealant, slides that don't seal tightly when closed, and in bad cases rotted slide floors and a flooded underbelly. Proactive resealing and regular inspections are essential to avoid expensive damage.
Is it suitable for full-time living?
Yes — it's designed as a residential, multi-slide fifth wheel and several owners have full-timed in one for years and stayed happy. The living space, kitchen, tank capacity, and storage support long-term living well, provided you stay on top of the maintenance and water-sealing issues the platform is known for.
How is Heartland's customer service and warranty support?
Mixed, and a real consideration. Some owners had small issues handled smoothly under warranty, but others report Heartland blaming the customer for 'lack of maintenance' rather than addressing poor workmanship, and dealers can be slow to complete repairs. Expect a first-year punch list and budget patience for getting it resolved.
What truck do I need to tow it?
At 33-plus feet with multiple slides, the Bighorn 3375SS is a heavy fifth wheel that calls for a serious three-quarter-ton or one-ton truck with a proper fifth-wheel hitch. The good news is that the fifth-wheel connection tows much more stably than a comparable travel trailer, especially in wind and on grades.
How does it compare to a Grand Design Solitude?
The Grand Design Solitude generally earns stronger build-quality and customer-satisfaction marks but costs more than the Bighorn. The 3375SS counters with aggressive value pricing around $85K and a comparable amount of living space. If budget is the priority and you're willing to be hands-on with maintenance, the Bighorn makes sense; if you want fewer headaches out of the box, the Solitude is the safer spend.

Compare the Heartland Bighorn 3375SS