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2015 Jayco Seneca 37HJ
UsedStock #366892
Freightliner Business Class M2 chassis · Cummins® ISB 6.7L 340 HP diesel engine
Listing price
2015 Seneca 37HJ
Other floor plans with a similar body style, feature mix, and price range, prioritizing other manufacturers and brands.
What sets the 37HJ apart is how it drives: the Cummins ISB 6.7L 360-horsepower diesel backed by an Allison 3000 MH transmission delivers a composed, truck-like feel that owners consistently call out as one of its best qualities, and the engine exhaust brake and 12,000-lb. rear hitch make serious towing genuinely practical. Inside, the full-body paint and StrongholdVBL laminated construction signal premium intent, while 84-inch ceilings, raised-panel hardwood cabinetry, and tile-like vinyl flooring give the living space a more residential feel than most Class C coaches. The overhead bunk with a 750-lb. capacity adds real sleeping room without sacrificing the main living area, and the exterior entertainment center with swivel-mounted LED TV means the fun doesn't stop at the door. An 8,000-watt Onan Quiet Diesel generator, four 6V AGM house batteries, Winegard in-motion satellite dish, and full pass-through storage round out a rig that's genuinely ready to be somewhere off the grid.
Length
38 ft
GVWR
28,000 lbs
Sleeps
6
Slideouts
3
Many factors play into a unit's listing price and what you should pay. This guide provides a ballpark estimate, but it does not factor in your exact scenario or how different listings are equipped.
$102,991 – $158,995
This unit is ranked 1 of 4 by asking price in this group.
General RV
Orange Park, FL
Sells faster than 88% of US RV dealers
Compared with 1,119 dealers nationwide
Jayco Seneca 37HJ Super C Diesel Highlights:
Triple Slide-Out Floorplan
King Bed Suite
Cab-Over Queen Bed
Entertainment Center with Fireplace
Experience diesel-powered luxury and residential comfort in the Seneca 37HJ Super C. Entering through the main entry door, you'll step into a spacious living area enhanced by opposing slide-outs that create an open, residential feel. The curbside slide features a comfortable dinette, while the streetside slide houses a large dinette ensemble with overhead cabinetry, providing plenty of seating for meals, games, or entertaining guests. Up front, the cab-over queen bed offers an additional sleeping area without sacrificing living space below. Across from the seating area, the entertainment center with fireplace creates a comfortable focal point for relaxing after a day on the road. The powerful Freightliner chassis and Cummins diesel engine provide confident performance while the spacious interior offers all the comforts of home.
The centrally located kitchen is designed for extended travel, featuring a large 12-c.-ft. refrigerator, three-burner range, microwave, double sink, overhead cabinetry, and generous countertop space for meal preparation. Storage is abundant with multiple overhead cabinets, pantry space, and strategically placed compartments that make long trips easy and organized.
Moving toward the rear, you'll find a spacious bathroom with a radius glass shower, vanity sink, medicine cabinet, linen storage, and porcelain toilet. Beyond the bath is the private rear bedroom featuring a king-size bed, wardrobe storage, dresser with TV cabinet, overhead cabinetry, and washer/dryer prep. Under-bed storage adds even more space for extended travel necessities. Outside, the Seneca continues to impress with full-body paint, hydraulic leveling jacks, an exterior entertainment center, slide toppers, and a large patio awning.
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