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Southbend Ultimate 48" Gas Restaurant Range – Model 448AC 36" Thermostatic Griddle • Split Open Burners • Convection Oven & Cabinet Base • 162,000 BTU
Built for high-volume kitchens that refuse to compromise, the Southbend Ultimate 448AC packs powerful open-top cooking, a precise thermostatic griddle and even-heat convection baking into one rock-solid, all-stainless platform. Get the speed and flexibility you need while saving valuable line space.
Why you’ll love it
- 162,000 BTU total output—plenty of headroom for simultaneous sautéing, grilling and baking.
- Split open-top design—33 K BTU star/sauté burner in front for fast pan work and 33 K BTU non-clog burner in back for stock pots up to 14".
- 36" left-side griddle—½" smooth polished steel plate with raised sides, thermostatic controls (175 – 550 °F) and standing pilots.
- Full-size convection oven—32 K BTU, battery-spark ignition, 3 chrome racks (5 positions) and a porcelain-enameled cavity for easy wipe-downs.
- 18" stainless cabinet base—keep sheet pans, utensils and dry goods right where you need them (doors available at no charge).
- 22½" flue riser & heavy-duty shelf—ideal for warming plates or staging smallware.
- Front-mounted manual gas shut-off and factory-installed ¾" regulator for quick service access.
- Durable stainless front, sides and 4" front rail plus 6" adjustable stainless legs for code-compliant cleaning underneath.
- cCSAus, CSA Flame, CSA Star & NSF listed for worry-free inspection approvals.
- Backed by Southbend’s 1-year parts & labor warranty and a nationwide service network.
Performance at a glance
| Overall width / depth / height | 48.63" W × 42.13" D × 59.5" H (to top of flue shelf) |
|---|---|
| Cook-top height | 37" |
| Open burners | (1) 33 K BTU star/sauté (front) | (1) 33 K BTU non-clog (rear) |
| Griddle section | 36" W × 27" D, ½" thick polished steel plate, thermostatic |
| Oven type / capacity | Gas convection, porcelain interior 14" H × 26" W × 24" D, 3 racks / 5 positions |
| Total BTU (natural gas) | 162,000 BTU/h |
| Gas connection | ¾" NPT female, min. inlet 7" W.C. (NAT) / 11" W.C. (LP) |
| Electrical (oven blower) | 115 V, 5.9 A, 60 Hz, 1-ph, 6' cord & NEMA 5-15P plug |
| Construction | Stainless steel front, sides, shelf & legs; cast-iron grates |
| Certifications | cCSAus, CSA Flame, CSA Star, NSF |
| Standard warranty | 1 year parts & labor (see warranty tab for full terms) |
Included in the box
- (4) removable cast-iron grate tops
- (3) chrome oven racks
- Factory pressure regulator
- Battery pack for spark ignition
- Owner’s / installation manual
Popular add-ons (sold separately)
- Stainless cabinet doors (no-charge factory option)
- All-swivel locking casters
- Quick-disconnect gas hose (3', 4' or 5') with restraining device
- Rear step-up burners or salamander / cheesemelter mounts
- Extra oven racks
- Install under a vented hood and on 6" legs or casters when placed on combustible floors.
- Limit oversized cookware (≥ 12") to the rear burners to avoid excess heat on the front rail.
- For flexible gas connections, hose diameter must be at least ¾" and comply with ANSI Z 21.69.
Need financing? Middleby Equipment Finance offers same-day credit decisions and fixed monthly payments—ask your rep for details.
Overall Dimensions:
48.63"W x 44.5"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.