Myron Mixon Large Capacity Offset Smoker with Insulated Firebox


Racks: 2
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Sale price$4,999.00

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Myron Mixon Large Capacity Offset Smoker with Insulated Firebox: Built for Big Cooks and Efficient Fire Control

Myron Mixon Large Capacity Offset Smoker with Insulated Firebox is designed for pitmasters who need serious cooking space, steady temperatures, and better fuel efficiency without sacrificing authentic offset flavor.

If you have struggled with offsets that burn too much wood, fluctuate in temperature, or limit how much you can cook at once, this smoker addresses those challenges with a fully insulated firebox, large-capacity cooking chamber, and true offset airflow. You get traditional wood-fired cooking with features that help you manage your fire during long cooks.

Why You'll Love It
  • Insulated front load firebox efficiency: No bending down to load the firebox. The insulated firebox holds heat longer, reduces fuel consumption, and helps stabilize temperatures during extended cooks.
  • Large capacity cooking chamber: Each cooking rack measures 27 inches deep x 42 inches wide and fits 3 full hotel pans, giving you room for high-volume cooks, from multiple briskets to full rib runs.
  • Authentic offset design: Maintains traditional indirect heat and smoke flow for real wood-fired BBQ flavor.
  • 100% USA made: Built entirely in the USA using American steel for long-term durability and performance.
  • Expandable rack system: Comes standard with two racks and can accommodate up to four total racks for increased cooking capacity.
  • 2 Dedicated ports for meat probes: Monitor internal meat temperatures without compromising your cook. These dedicated probe ports let you run multiple temperature probes directly into the cooking chamber while keeping the lid closed, helping you maintain steady heat and avoid unnecessary heat loss during long cooks.
  • Integrated water pan: The built-in water pan adds moisture to the cooking environment and helps moderate temperature changes. It gives you another way to manage cooking conditions during extended low and slow sessions.
Best On
  • Whole briskets
  • Pork shoulders
  • Multiple racks of ribs
  • Chicken halves and whole birds
  • Sausage and large batch cooks
  • Competition or catering volume BBQ
Product Details
Cooking Rack Size 27 inches deep x 42 inches wide per rack
Hotel Pan Capacity 3 full hotel pans per cooking chamber rack
Standard Rack Configuration 2 cooking chamber racks included
Maximum Rack Capacity Up to 4 cooking chamber racks; additional racks sold separately
Cooking Surface with 2 Racks 2,268 square inches based on stated rack dimensions
Cooking Surface with 4 Racks 4,536 square inches based on stated rack dimensions
Firebox Fully insulated for improved fuel efficiency and heat control
Fire Box Rack Size 10 inches deep x 17 inches wide
Main Chamber Non-insulated for traditional offset cooking
Exterior Cooking Chamber Size Approximately 52 inches wide including the smoke stack x 40 inches deep with shelf
Overall Smoker Footprint Approximately 72 inches wide x 40 inches deep with shelf x 60 inches tall including smoke stack
Construction 100% USA made using American steel
Fuel Type Wood or charcoal
Other Features Integrated water pan and 2 dedicated temperature probe ports
Cooking Chamber Capacity

The cooking chamber racks measure 27 inches deep x 42 inches wide. Each rack is designed to fit 3 full hotel pans, giving you excellent cooking space and flexibility.

The smoker includes 2 cooking chamber racks, with the ability to hold up to 4 total racks for expanded capacity. The two included racks provide 2,268 square inches of cooking surface. Adding two additional racks brings the total to 4,536 square inches, based on the stated rack dimensions.

Available vertical clearance and airflow between racks will affect how you arrange taller cuts of meat and pans.

Fire Box Rack

The fire box rack measures 10 inches deep x 17 inches wide, giving you a solid working area for managing your fire and maintaining the heat and smoke needed for true offset cooking.

The insulated firebox helps retain heat, while the front load design provides convenient access for adding fuel and tending your fire throughout the cook.

Exterior Cooking Chamber Size

The exterior size of the cooking chamber measures approximately:

52 inches wide including the smoke stack x 40 inches deep with shelf

Overall Smoker Footprint

The overall smoker footprint measures approximately:

72 inches wide x 40 inches deep with shelf x 60 inches tall including smoke stack

These measurements describe the smoker itself. Allow additional space for opening the cooking chamber, accessing the firebox, and maintaining the operating clearances specified by the manufacturer.

Product Highlights
  • American-made offset smoker
  • Built for authentic wood-fired flavor
  • Heavy-duty construction
  • Includes 2 cooking chamber racks
  • Holds up to 4 cooking chamber racks
  • Each cooking chamber rack fits 3 full hotel pans
  • Designed for serious backyard cooks, pitmasters, and BBQ enthusiasts
  • Built with the knowledge and experience behind the Myron Mixon name
Estimated Cooking Capacity

With two standard cooking racks measuring 27 inches deep x 42 inches wide, the Myron Mixon Large Capacity Offset Smoker with Insulated Firebox offers 2,268 square inches of cooking space.

The previously listed planning estimates are around 8 to 9 briskets, 22 to 24 whole chickens, 22 to 24 bone-in pork butts, or roughly 24 racks of baby back ribs. These are estimates rather than verified load capacities for this model. Actual capacity depends on meat size, trimming, rack placement, and the spacing needed for airflow. Each estimate represents one type of food cooked at a time.

Who’s This For?
  • Backyard pitmasters cooking for large groups or gatherings.
  • Caterers who need high capacity and fuel efficiency.
  • Competition cooks looking for consistent heat and smoke control.
  • Anyone upgrading from smaller or less efficient offset smokers.
  • BBQ enthusiasts who enjoy tending a wood fire and managing a traditional offset cook.
Pro Tips
  • Take advantage of the insulated firebox by maintaining a small, clean-burning fire and adding fuel as needed.
  • Use the lower racks for heavier cuts like brisket and pork shoulder, and upper racks for ribs or chicken, adjusting placement to suit the smoker’s heat pattern.
  • Rotate meats between racks during long cooks to ensure even exposure to heat and smoke.
  • Add additional racks to maximize capacity when cooking for events or catering jobs.
  • Leave room around meats and hotel pans so heat and smoke can circulate through the cooking chamber.
  • Use the dedicated probe ports to monitor your cook while limiting unnecessary lid openings.

Is the main chamber insulated on the Myron Mixon Large Capacity Offset Smoker with Insulated Firebox?

No. The main chamber is not insulated. The firebox is insulated to improve heat retention, fuel efficiency, and temperature control while you manage a traditional offset fire.

What are the benefits of an insulated firebox?

An insulated firebox helps maintain steady temperatures, reduces fuel consumption, and makes it easier to manage your fire during long cooks. You will still need to tend the fire, add fuel, and adjust airflow as needed.

How much food can this smoker handle?

With 27-inch-deep x 42-inch-wide racks and the ability to expand up to four racks, this smoker is designed for high-capacity cooks like multiple briskets, ribs, and pork shoulders at once. Each cooking chamber rack fits 3 full hotel pans.

The following figures are planning estimates, not verified load capacities for this model. Each row represents a separate load of that food, and actual fit depends on food dimensions, rack clearance, and spacing for airflow.

Food Estimated Capacity (2 Racks)
Brisket (15–18 lbs) 8–9
Pork Butts (7–9 lbs) 22–24
Whole Chickens (4–6 lbs) 22–24
Whole Turkeys (14–18 lbs) 8–9
Baby Back Ribs 24–25 racks
St. Louis Ribs 15–16 racks
Chicken Wings (Jumbo) 140–150

What are the cooking chamber rack dimensions?

Each cooking chamber rack measures 27 inches deep x 42 inches wide and is designed to fit 3 full hotel pans.

Can I add more racks to increase cooking space?

Yes. The smoker comes with two racks but can accommodate up to four total racks. Additional racks are sold separately. Based on the stated rack dimensions, two racks provide 2,268 square inches of cooking surface, and four racks provide 4,536 square inches. Usable capacity depends on the clearance needed for your food.

How large is the fire box rack?

The fire box rack measures 10 inches deep x 17 inches wide, providing a working area for building and managing your fire.

What are the exterior cooking chamber dimensions?

The exterior cooking chamber measures approximately 52 inches wide including the smoke stack x 40 inches deep with shelf.

What are the overall dimensions of the smoker?

The overall smoker measures approximately 72 inches wide x 40 inches deep with shelf x 60 inches tall including smoke stack. Allow additional room for access and the manufacturer’s required operating clearances.

Is this smoker made in the USA?

Yes. This smoker is 100% made in the USA using American steel, with heavy-duty construction designed for long-term use.

What type of fuel should I use?

You can run this smoker with wood, charcoal, or a combination depending on your preferred fire management style. Two 12x3" sticks of wood on a full charcoal chimney of charcoal will easily get this smoker to 300 degrees. The insulated firebox is very efficient. 

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With over 35 years of smoking experience, we started DDR BBQ Supply with a simple goal: to help others cook better barbecue. We've spent decades learning what works and what doesn't, and we apply that knowledge to every product we carry. From high-performance grills and smokers to carefully selected rubs, sauces, and tools, everything we offer is something we believe in and use ourselves. We don’t believe in cutting corners or selling gear we wouldn’t rely on during our own backyard cooks and when we compete in BBQ competitions.


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