2026 Dynamax Corp DX3 37RB

New Super C in Perry, Iowa, 50220

$350,406.00
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New 2026 Dynamax Corp DX3 37RB available in Perry, Iowa
2026 Dynamax Corp DX3 37RB - New Super C For Sale by McKee RV in Perry, Iowa features Slideout
2026 DX3 37RB by Dynamax Corp from McKee RV in Perry, Iowa
New 2026 Dynamax Corp DX3 37RB available in Perry, Iowa

Unit Specs

  • Stock #4792
  • Year2026
  • ManufacturerDynamax Corporation
  • Make Dynamax Corp
  • ModelDX3
  • Floorplan37RB
  • Floorplan LayoutBath and a Half
    Outdoor Entertainment
    Rear Bath
  • Type Super C
  • ConditionNew
  • Length40' 0"
  • VIN1FVACXFEXTHWP4769
  • Price $467,208.00
  • Sale Price $350,406.00
  • Need to know your payment? Use our RV Loan Calculator!
  • ChassisFreightliner M2 106 Plus
  • Engine ModelCummins L9 - 8.9L
  • Fuel TypeDiesel
  • Sleeps5
  • Water Capacity (Fresh)100 gal
  • Water Capacity (Black)52 gal
  • Water Capacity (Grey)52 gal
  • Slideouts3
  • Tow/Hitch Weight20000 lbs

Dynamax DX3 Super C diesel motorhome 37RB highlights:

    • Freightliner M2 106 Plus Chassis
    • Cummins L9 - 360Hp / 1,150 lb-ft of Torque
    • 20,000 lbs Towing
    • Cab-Over Bed 
    • Blackout Package
    • Stacker Washer / Dryer 
    • 400D Aqua Hit
    • 79" Theater Seats
    • Residential Refrigerator
    • Xplorer Package: Lithium Ion Batteries (540Ah) - Solar (1,000 Watts) - Enhanced Insulation (Heated Bays, Thermal Foil Insulation, Dual Pane Windows, Insulated Cab Curtains 

 

This fabulous DX3 Super C diesel motorhome gives you the feeling of home! You will all love spending the cool summer evenings outside underneath the 18' armless awning with LED lights and wind sensor as you watch a late-night movie on the exterior 32" LED TV. Head inside and grab some snacks from the kitchen pantry or heat up some popcorn in the convection microwave. After the day is over, you'll certainly look forward to snuggling up in the king-size bed.

 

You'll have a hard time finding anything else that quite compares to the powerful precision found on the Dynamax DX3 Super C diesel motorhome! These elegant coaches will feel like a dream home with their top-notch kitchens, deluxe bedrooms, comfortable lounge areas, and exceptional exteriors. The cab has leatherette driver/passenger air ride seats, a quad-view camera system, and a Kenwood 10" touchscreen dash infotainment system to keep you comfortable while you travel, and the Winegard in-motion T4 satellite will deliver entertainment for the living room TV, bedroom TV, and exterior TV. You'll also find an 8kW Onan® diesel generator with auto transfer switch to make it easy to adventure since you will have your own power source. 

  • Bath and a Half
  • Outdoor Entertainment
  • Rear Bath

2026 Dynamax Corp DX3 37RB Features


  • Exterior
    Slideout

2026 Dynamax Corp DX3 37RB Specifications

General

MSRP

$448,701

Dimensions

Height

12' 9"

Height (interior)

7' 0"

Length

40' 9"

Width

8' 5"

Weights

GVWR

33,000 lbs

Capacities

Fuel Capacity

100 gal

Refrigerator Capacity

18 cu ft

Sleep Capacity

3

Water Capacity - Black

52 gal

Water Capacity - Fresh

100 gal

Water Capacity - Grey

52 gal

Engine/Transmission

Engine Manufacturer

Cummins

Engine Model

L9 Turbo Diesel Engine (360hp / 1,150 lb-ft. of Torque)

Fuel Type

Diesel

Transmission Spec

Allison® 3200 TRV Six-Speed Automatic Transmission

Exterior

# Awnings

1

# Axles

2

# Doors

3

# Slides

3

Chassis

Freightliner® M2 106 Plus Chassis

Electrical

# A/C

2

A/C Spec

Dual Ducted, Low-Profile 15,000-BTU Air Conditioners with Heat Pumps

*MFG Specs are for base unit. Certain options may change specifications listed. Please consult dealer for more details. Data is provided by a 3rd party. RVUSA.com cannot guarantee the accuracy of the data presented.

2026 Dynamax Corp DX3 37RB Literature


2026 DX3 Brochure PDF 2026 DX3 Brochure 1
Seller Info

McKee RV

400 First Street
Perry, IA 50220

Member Since 2015

See 423 Reviews

Unit Specs

  • Stock #4792
  • Year2026
  • ManufacturerDynamax Corporation
  • Make Dynamax Corp
  • ModelDX3
  • Floorplan37RB
  • Floorplan LayoutBath and a Half
    Outdoor Entertainment
    Rear Bath
  • Type Super C
  • ConditionNew
  • Length40' 0"
  • VIN1FVACXFEXTHWP4769
  • Price $467,208.00
  • Sale Price $350,406.00
  • Need to know your payment? Use our RV Loan Calculator!
  • ChassisFreightliner M2 106 Plus
  • Engine ModelCummins L9 - 8.9L
  • Fuel TypeDiesel
  • Sleeps5
  • Water Capacity (Fresh)100 gal
  • Water Capacity (Black)52 gal
  • Water Capacity (Grey)52 gal
  • Slideouts3
  • Tow/Hitch Weight20000 lbs

Email Seller

Request More Info on this 2026 Dynamax Corp DX3 37RB Offered for sale by McKee RV
McKee RV
McKee RV

400 First Street
Perry, IA 50220

Phone: Click to Call

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2026 Dynamax Corp DX3 37RB Gallery

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New 2026 Dynamax Corp DX3 37RB available in Perry, Iowa
2026 Dynamax Corp DX3 37RB - New Super C For Sale by McKee RV in Perry, Iowa features Slideout
2026 DX3 37RB by Dynamax Corp from McKee RV in Perry, Iowa
New 2026 Dynamax Corp DX3 37RB available in Perry, Iowa