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A 4WD Class C With Muscle: The Dynamax Isata 5 28SS

Published on March 18th, 2024 by Kristopher Bunker
This post was updated on March 29th, 2024

When it comes to selecting a new RV, one often needs to choose between a motorhome and a towable. But with the Dynamax Isata 5 Series, that choice is an easy one. That’s because the 4WD Isata 5 is equipped with a factory four-wheel drive Cummins 6.7-liter I6 turbo diesel capable of 360 hp and 800 lb-ft of torque. Perhaps the best part? The Isata 5 Series is rated to tow up to 10,000 pounds, meaning you can get your motorhome AND a fully outfitted trailer to tow behind it to help expand your adventure options.

Dynamax Isata 5 28SS floorplan. Photo: Courtesy Dynamax.
Isata 5 28SS floorplan courtesy Dynamax.

Class C Strong

The mechanics of the Isata 5 are impressive. Built on the RAM 5500 SLT chassis, the numbers paint a powerful picture. The 28SS featured here is a shade over 31 feet, with a GVWR of 19,500 pounds and a GCWR of 37,500 pounds. Towing with the Isata 5 is made easy thanks to the seven-way round tow connection, Weigh Safe trailer hitch, and active brake assist.

A 52-gallon fuel tank expands range on the Isata 5 28SS, and the sizable holding tanks ensure a long stay once you arrive.

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Living Large

But the Isata 5 isn’t only about brute force. The 28SS features a private rear bedroom with a queen bed, a large wardrobe and pantry, and a standard booth dinette in the living-area slide room. There’s also a fully equipped kitchen and a full bath. The front cabover houses a 50-by-80-inch mattress with a privacy curtain. LED ceiling lighting highlights the luxury appointments on the Isata 5, which include residential-style furniture, hardwood cabinetry, and premium vinyl flooring.

The galley is a great place to prepare meals thanks to solid-surface countertops with LED lighting (including under the cabinets). The 12-volt RV fridge is a 10 cu-ft model, the sink is stainless-steel, and the gas range and convection microwave round out the details. An included kitchen trash can and MaxxAir power vent are welcome additions to the Isata 5 28SS.

The gel-infused memory-foam mattress and padded headboard in the bedroom add to the penthouse feel, as do the bathroom’s designer shower with skylight, Oxygenics shower head, and stainless-steel sink with residential faucet.

Showroom Shine

The exterior of the Isata 5 28SS is striking thanks to the custom full-body paint package. Slideout toppers, a 16-foot awning with LED lighting, and a rear rockguard complete the look. The Isata 5 28SS includes an exterior TV mount to take the party outside. Automatic four-point leveling jacks are standard, as are seamless rotocast storage compartments with LED lighting and a fiberglass front cap and front wing panels.

Need More?

All Isata 5 motorhomes come with an extensive list of standard and optional features (including lithium batteries and solar power). Check out the website for more. Better yet, find one at a local dealer and take a tour. You won’t be disappointed if you’re looking for a well-appointed coach that combines strength, luxury, and 4WD.


  • Wheelbase: 217″
  • GVWR: 19,500 lbs
  • GCWR: 37,500 lbs
  • GAWR, F/R: 7,250 lbs/ 13,500 lbs
  • Exterior Length: 31′ 2″
  • Exterior Height: 12′ 4″
  • Interior Height: 6′ 10″
  • Fresh Water cap: 78 gal
  • Gray-/Black-water cap: 45 gal/ 45 gal
  • MSRP: Starts at $283,350

About the Author:

2 thoughts on “A 4WD Class C With Muscle: The Dynamax Isata 5 28SS”

  1. A “fully outfitted trailer “ behind a motor home is not a travel trailer. I pull a utility trailer pushing 10,000 lb. Easy to approach this weight. Couldn’t find an empty weight so no idea how carry capacity is. Gvwr 19500 seems low for 37500 combined. Also axel weights greater than 19500 rating so axel weight is probably limiting.

  2. Like my 4X4 RAM dually that I can take off road towing a $60000 off-road camper, pocketing the $150,000 savings. After tax (in TN) of over $300,000. Mmmm? OK. I could get a good, used 2021 with 50% depreciation and driven less than 12,000/yr. That comes out to $50,000/yr ($4/mile or $137/day depreciation averaged out over 3 years). I’d say way overpriced. No Thank You.


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