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Ultimate 48" Gas Restaurant Range
4 Open Burners • 24" Charbroiler (Left) • Convection Oven & Cabinet BaseBuilt for kitchens that never slow down, the Southbend Ultimate Series model 448-AC gives you the power of four clog-free burners, the flavor of a cast-iron charbroiler, and the even bake of a full-size convection oven — all in just 48 inches of line space. Heavy-gauge stainless steel, a front-mounted shut-off, and 228,000 total BTU make this range a long-term workhorse for high-volume restaurants, hotels, and institutional foodservice.
Why You’ll Love It
- 4 × 33,000 BTU non-clog burners with cast-iron grates — keep large stock pots in the rear without losing front-side productivity.
- 24" charbroiler (left) features removable, cast-iron grates for authentic grill marks and easy cleaning (64,000 BTU).
- 32,000 BTU convection oven with battery spark ignition, 3 chrome racks & 5 position rails for full-size pans both ways.
- 18" stainless cabinet base on the right keeps sheet pans, skillets, or spices within arm’s reach.
- 22.5" flue riser with heavy-duty shelf — perfect for holding plated dishes or smallwares.
- Front-mounted manual gas shut-off and factory-installed pressure regulator for safer, faster service calls.
- 6" adjustable stainless steel legs (casters available) meet health-code clearance on combustible floors.
- Fully welded stainless front, sides, and rail withstand daily spray-downs and the toughest rushes.
- Certified CSA & NSF; ships with 1-year parts & labor warranty.
At-a-Glance Specifications
| Overall width | 48 ⅝" (1235 mm) |
|---|---|
| Overall depth | 34" (864 mm) |
| Work height | 37" cooking surface |
| Flue riser | 22 ½" with stainless utility shelf |
| Total input | 228,000 BTU/hr (Natural gas) |
| Open burners | 4 × 33,000 BTU non-clog cast-iron |
| Charbroiler | 24" cast-iron, 64,000 BTU |
| Oven type / output | Convection, 32,000 BTU |
| Oven interior | 14" H × 26" W × 24" D, 3 racks / 5 positions |
| Cabinet base | 18" stainless storage (right side) |
| Gas connection | ¾" NPT (opposite charbroiler side) |
| Min. inlet pressure | Natural 7" W.C. | LP 11" W.C. |
| Electrical (oven fan) | 115 V / 5.9 A, 6' cord & 3-prong plug |
| Certifications | CSA, NSF |
| Warranty | 1-year parts & labor |
Engineered for Heavy-Duty Kitchens
- Porcelain-enamel oven cavity with coved corners prevents hot spots and wipes clean fast.
- Removable drip trays under the burner & charbroiler sections keep grease where it belongs.
- Spring-assisted oven door closes smoothly, minimizing wear on hinges and seals.
- Front rail holds serve-ware safely with a 4" deep stainless landing edge.
- Field-install options: doors for cabinet, casters, salamander/cheesemelter mounts, quick-disconnect hose, and more.
Need multiple units or easy monthly payments? Ask us about Middleby Equipment Financing.
Overall Dimensions:
48.63"W x 43.6"D x 59.5"HProduct Weight:
735.0 lbCertifications & Compliance
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
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- 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.