Used 2021 Thor Magnitude RB34 Super C 4x4
Diesel Class C Motorhome
2021 Magnitude RB34 Specifications
| Sleeps | 8 |
| Gross Weight (GVWR) | 19500 lbs. |
| Length (Exterior) | 35 9 |
| Height (Exterior) | 12 6 |
| Width (Exterior) | 8 3 |
| Slides | 1 |
| Fresh Water Capacity | 65 gallons |
| Gray Water Capacity | 40 gallons |
| Black Water Capacity | 40 gallons |
| Engine Mileage | 10000 |
Description - 2021 Magnitude RB34
USED 2021 Thor Magnitude RB34 Super C Motorhome
Key Highlights
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Full body paint
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10,000 miles
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4x4 Super C diesel motorhome
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6.7L Power Stroke® turbo diesel
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825 lb-ft of torque
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10-speed TorqShift® automatic transmission
The USED 2021 Thor Magnitude RB34 is a rugged yet refined Super C diesel motorhome built for buyers who want serious driving capability paired with residential comfort. Designed for long-distance travel and more demanding terrain, this Magnitude delivers confidence on the road and flexibility at camp.
Built on a Ford F-550 Super Duty 4x4 chassis, the RB34 is powered by the proven 6.7L Power Stroke® turbo diesel engine, delivering 825 lb-ft of torque for confident towing, mountain driving, and fully loaded travel. The 10-speed TorqShift® automatic transmission provides smooth shifting and excellent control across varying road conditions, while the 4x4 drivetrain adds capability for travel beyond paved campgrounds.
Inside, the Magnitude RB34 offers a comfortable and functional layout designed for extended trips. The living space is open and inviting, with a well-appointed kitchen, dedicated dining area, and thoughtful storage throughout. Quality materials and solid construction give the interior an upscale feel that’s well suited for long stays or seasonal travel.
The sleeping and bathroom areas are designed with privacy and usability in mind, making this coach comfortable for couples or families alike. Storage is well integrated throughout the interior, helping keep gear organized without sacrificing living space.
Outside, the full body paint enhances appearance while adding durability and long-term protection. Combined with Super C construction and diesel power, the RB34 is built for buyers who value strength, reliability, and long-haul comfort.
This Certified Used Thor Magnitude RB34 has been thoroughly inspected and is ready for its next owner, offering Super C diesel performance, true 4x4 capability, and everyday livability with no hidden fees.
If this Certified Used RV isn’t the right fit, you can check out all of our Certified Used motorhomes and browse our full Certified Used RV inventory.
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Magnitude RB34 RVs are manufactured by Thor.
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