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2025 Keystone Carbon 348
by Keystone
Full Specifications
General Info
| Manufacturer | Keystone |
| Country of Origin | USA |
| Year | 2025 |
| Category | Toy Hauler |
| Subcategory | — |
Dimensions & Weight
| Length | 28.5 ft |
| Width | 8 ft |
| Height | 13.5 ft |
| Dry Weight | 14,800 lbs |
| GVWR | 17,800 lbs |
| Hitch Weight | 1,630 lbs |
| Cargo Capacity | 3,000 lbs |
Engine & Chassis
| Fuel Type | N/A |
| Engine | — |
| Chassis | — |
| Horsepower | — |
| Fuel Capacity | 55 gal |
Living & Off-Grid
| Sleeping Capacity | 9 |
| Slide-Outs | 0 |
| Awning Length | 20 ft |
| A/C | 13,500 BTU |
| Furnace | 30,000 BTU |
| Fridge | 2-door residential |
| Fresh Water | 57 gal |
| Gray Water | 75 gal |
| Black Water | 50 gal |
| Solar | 250 W |
| Battery | 200 Ah |
| Inverter | 1,500 W |
About the 2025 Keystone Carbon 348
Work hard, play harder. That is the philosophy behind the 2025 Keystone Carbon 348 by Keystone, a 2025 toy hauler that refuses to make you choose between bringing your toys and traveling in comfort.
With an overall length of 28.5 feet, 8.0 feet wide and standing 13.5 feet tall, the 2025 Keystone Carbon 348 weighs in at 14,800 pounds before loading, with a GVWR of 17,800 lbs, offering 3,000 pounds for gear and supplies.
With capacity for 9 people to sleep, this is a true family hauler. The 2025 Keystone Carbon 348 arranges its sleeping areas across multiple zones, so parents can enjoy separation from the kids at bedtime while everyone shares the common living space during waking hours.
Off-grid capability is well supported thanks to a 57-gallon fresh water tank, 75 gallons of gray water holding, a 50-gallon black water tank. Electrical independence comes via 250-watt solar charging capability, 200 amp-hours of battery storage, a 1500-watt inverter for household AC power. A 13,500 BTU air conditioner keeps things cool in summer heat, and 30,000 BTU of furnace output tackles chilly evenings. A 2-door residential refrigerator keeps provisions fresh on the road and at camp. The 20.0-foot awning creates a shaded outdoor area that becomes a favorite gathering spot at camp.
At 14,800 pounds dry, the 2025 Keystone Carbon 348 requires a capable tow vehicle. and a tongue weight of 1,630 pounds that your hitch must support. Make sure your tow vehicle is rated for the 17,800-lb GVWR when fully loaded with gear and water.
At the $145,000 price point, this Toy Hauler caters to buyers who want elevated quality and are willing to invest in their travel lifestyle for years to come. Large families and groups will find the 2025 Keystone Carbon 348 particularly appealing, with enough sleeping positions to handle a full crew without anyone being relegated to a tent or air mattress.
Whether you are planning weekend getaways or extended road trips, the 2025 2025 Keystone Carbon 348 from Keystone provides a well-rounded package that deserves a spot on your shortlist. Take the time to walk through one at your nearest dealer and see how it fits your travel vision.
Work hard, play harder — the 2025 Keystone Carbon 348 toy hauler brings your adventure toys along while providing luxury living accommodations.
The rear garage area features a spring-assisted ramp door, tie-down points, and 55-gallon onboard fuel station. When not hauling toys, the garage converts to additional living space with a fold-down sofa and optional happi-jack bed system. The main living area includes 0 slide-out(s) and sleeps 9 total.
The 30,000 BTU furnace and 13,500 BTU AC system provide year-round climate control. Starting at $145,000, the 2025 Keystone Carbon 348 is competitively priced for a toy hauler of this capability and quality.