Southbend (middleby)

Southbend (middleby) 4483ac-3gl ultimate gas ranges

SKU: 4483AC-3GL
$15,437.00
/each
Discontinued
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Southbend “Ultimate” 48" Gas Restaurant Range

36" Left-Side Griddle • 2 Star/Sauté Burners • Convection Oven • 162,000 BTU

Engineered for the pace of the busiest commercial kitchens, the Southbend Ultimate 48" range fuses a high-output griddle, precision star burners and a powerful convection oven into one rugged, space-saving workstation. Stainless-steel construction, simple standing pilots and battery-spark ignition make it as reliable as it is versatile.

Performance You Can Count On

  • 162,000 BTU total fire-power—66K from two 33K star burners, 64K griddle, 32K convection oven.
  • 33K cast-iron star/​sauté burners deliver an even flame pattern for rapid, edge-to-edge pan heating.
  • 36" polished ½" steel griddle (left) with raised sides handles everything from breakfast to burgers.
  • Battery-spark convection oven (175–550 °F) with 3 racks & 5 positions for full-size pans.
  • 18" stainless cabinet base (right side) keeps sheet pans or smallwares within arm’s reach.
  • 22½" flue riser with integrated shelf adds convenient plating or seasoning space.
  • Stainless front, sides & rail plus 6" adjustable legs for fast cleaning under & around the unit.
  • Front-mounted manual gas shut-off and factory regulator simplify installation & service.

Technical Specifications

Model Ultimate 448 AC-2SB-36G
Gas Type Natural (field-convertible to LP)
Total Input 162,000 BTU/hr
Open Burners (2) 33,000 BTU star/​sauté, cast-iron grate, standing pilot
Griddle 36" W × 27" D, 64,000 BTU, ½" smooth steel plate, left-mounted, standing pilot
Oven Type 32,000 BTU convection, battery spark ignition, 115 V plug (5.9 A)
Oven Interior 14" H × 26" W × 24" D, porcelain enamel, 3 racks / 5 positions
Cabinet Base 18" stainless compartment with adjustable shelf (doors optional)
Exterior Dimensions 48 5⁄8" W × 34" D × 59½" H (to top of flue shelf)
Cooking Height 37"
Gas Connection ¾" NPT (rear, opposite griddle side)
Certifications cCSAus, CSA Flame, CSA Star, NSF
Warranty 1-Year parts & labor (see Southbend limited warranty)

Designed for Demanding Kitchens

  • 27" deep cook surface accommodates large stock pots without crowding.
  • Rear grate accepts up to 14" diameter cookware—perfect for sauces & stocks.
  • Spring-assisted oven door and coved porcelain corners speed nightly clean-up.
  • Battery-spark system lights the oven without reliance on an external power source.

Recommended for installation beneath a vented hood. Minimum 10" clearance to combustibles on sides and rear. Consult local codes prior to installation.

Warranty Reminder: Using oversized cookware on the front rail or blocking ventilation with sheet pans can cause heat damage not covered under warranty. Always keep pots & pans within burner grates and follow the cleaning procedures outlined in the owner’s manual.

Overall Dimensions:

48.63"W x 44.5"D x 59.5"H

Product Weight:

735.0 lb
Manufacturer Southbend (Middleby)
Brand name Ultimate
Certifications ["NSF", "cCSAus", "CSA Star", "CSA Flame"]
Height 59.5in
Width 48.63in
Depth 44.5in
Shipping Weight 735.0lbs
Plate Thickness .500" = 1/2"
Exterior Finish stainless steel front & sides
Base (1) convection oven, (1) cabinet
Vent backriser with hi-shelf
Top (2) open burners, (1) 36" griddle
Specifications Ultimate Restaurant Range, gas, 48", (2) star/sauté burners, standard grates, (1) 36" griddle left, standing pilot, (1) convection oven with battery spark ignition, (1) cabinet base, includes (3) racks, 22-1/2" flue riser with shelf, stainless steel front, sides, shelf & 6" adjustable legs, 162,000 BTU, cCSAus, CSA Flame, CSA Star, NSF

Certifications & Compliance

Certified badge of NSF Certified
NSF Certified
Certified badge of CSA Certified
CSA Certified

Documents

PDF Cutsheet PDF Download PDF Owner's manual PDF Download PDF Middleby financial flyer PDF Download PDF Warranty sheet PDF Download

Frequently Asked Questions

Unless backordered, most items will be shipped within 10–14 business days, depending on availability. Extended lead times may apply for custom, specialty, or manufacturer-direct items. 

Orders are processed quickly to ensure timely fulfillment. Because of this, all cancellation or modification requests must be submitted within 24 hours of placing your order. 

After 24 hours, we cannot guarantee that any changes or cancellations can be made. 

Once an item has shipped, it can no longer be canceled or modified and will instead be subject to our Return Policy, which includes: 

  • Return requests must be submitted within 30 days of delivery 
  • Items must be unused and in original packaging 
  • 35% restocking fee and return freight/crating fees apply 
  • Consumable products are not returnable 

By using USA Restaurant Suppliers’ website, services, or partners, you agree to the following: 

  • Binding Arbitration: Any dispute or claim related to USA Restaurant Suppliers, its partners, or service providers will be resolved exclusively through binding arbitration, not in court. The Federal Arbitration Act and applicable federal arbitration law apply.
  • Third-Party Products & Services: USA Restaurant Suppliers is not liable for any product or service sold by third-party sellers or partners using the USA platform.
  • Filing a Dispute: If you wish to initiate a dispute, please contact us, and a representative will guide you through the arbitration process.

Need Help Deciding?

Our equipment specialists can help you match specs to your kitchen layout, electrical capacity, and menu requirements.

Talk to a Specialist
or call (888) 307-5030