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Description
Southbend (Middleby) 4483AC-3TL Ultimate Gas RangesSouthbend Ultimate 48 Gas Restaurant Range 36 Thermostatic Griddle & Convection Oven Model 448AC 2 Star Burners 162,000 BTU Master every menu rush with one heavy duty station. From high heat sauting to precision griddling and even bake convection, the Southbend Ultimate Series gives chefs the versatility and durability they demand in a single 48 inch footprint. Performance Highlights (2) 33,000 BTU cast iron star saut burners with lifetime clog free
Southbend Ultimate 48″ Gas Restaurant Range – 36″ Thermostatic Griddle & Convection Oven
Model 448AC | 2 Star Burners | 162,000 BTUMaster every menu rush with one heavy-duty station. From high-heat sautéing to precision griddling and even-bake convection, the Southbend Ultimate Series gives chefs the versatility and durability they demand in a single 48-inch footprint.
Performance Highlights
- (2) 33,000 BTU cast-iron star/sauté burners with lifetime clog-free ports.
- Left-side 36″ x 27″, 1″ thick polished steel griddle; thermostatic controls hold set temps for pancakes, burgers & more (64,000 BTU).
- 32,000 BTU convection oven, 175–550 °F, battery spark ignition, porcelain interior, 5-position guides & (3) chrome racks.
- 18″ stainless steel cabinet base keeps hotel pans, smallwares or dry goods at arm’s reach.
- 22 ½″ flue riser with heavy-duty shelf for plating and small-pot staging.
- Stainless front, sides, shelf & 6″ adjustable legs built to withstand daily high-volume cleaning.
- Front gas shut-off & factory ¾″ regulator speed up safe installations.
- Certified cCSAus, CSA Flame, CSA Star & NSF.
Ultimate Series Advantages
- One-piece cast-iron burners eliminate screw-in heads that seize or strip.
- Full porcelain, coved-corner oven cavity wipes clean in seconds.
- No-plug battery ignition for the oven burner keeps you cooking even during power outages.
- Backed by Southbend’s nationwide 1-year parts & labor warranty.
Technical Specifications
| Overall width | 48 ⅝″ |
|---|---|
| Depth (to front rail) | 42 ⅛″ |
| Height (to top of flue) | 59 ½″ |
| Total input | 162,000 BTU/hr (natural gas) |
| Open burners | (2) 33,000 BTU star/sauté |
| Griddle | 36″ thermostatic, 64,000 BTU, 1″ smooth plate |
| Oven | Convection, 32,000 BTU, 3 racks, 5 positions |
| Additional base | 18″ stainless steel cabinet (center-right) |
| Gas connection | ¾″ NPT (rear) with factory pressure regulator, min. 7″ W.C. |
| Electrical (fan only) | 115 V/60 Hz/1-ph, 5.9 A, 6′ cord & NEMA 5-15P |
| Shipping weight | Approx. 735 lb |
| Warranty | 1-year parts & labor |
What’s in the Box
- (3) chrome convection oven racks
- 22 ½″ flue riser shelf
- 6″ adjustable stainless legs
- Factory-installed ¾″ gas regulator & battery pack
Important installation notes
- Commercial use only – must be installed under a vented hood.
- If setting on non-quarry tile flooring, consult factory for approved installation method.
- Use cookware 12″ Ø or larger on the rear burners to prevent overheating the front rail.
Want predictable monthly payments? Ask about Middleby Equipment Financing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
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Product Reviews
★★★★★ 5
Black but don’t worry it is supposed to be. It works!
Size: 1 Liter
This stuff looks like used motor oil but don’t worry that is the molybdenum disulfide (MoS₂) which is black. This stuff in a small engine makes it smooth as silk. I used it all season in my leaf vacuum small engine. I could hear the difference. It was quieter and smoother.
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Reviewed in the United States on December 7, 2025
★★★★★ 5
High Quality Oil
Size: 5 Liter
Good quality oil! I was just buying the mos2 separate until now
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Reviewed in the United States on January 15, 2026
★★★★★ 5
Recomendado
Size: 5 Liter
Uno de los mejores aceite
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Reviewed in the United States on March 11, 2026
★★★★★ 5
Works just like the Mercedessource guy said it would.
Size: 5 Liter
After viewing a Mercedessource video (trusted Mercedes repair advice Youtuber and blogger) on which oil he liked for higher mileage Mercedes he pointed this out Semi-synthetic 10w-40 out. Called it “muddy” oil. Said it possibly helped with small oil seal leaks and seemed to slow oil loss in higer miles Mercedes. Also made the engines run more quietly. So I have been using in my wife’s high mileage Mercedes (185,000miles W211 2004 E500 4matic) which we baby and I work on. A true very high compression super car, everything he said at Mercedessource has turned out to be accurate. No more leaks. Quiet lifters. Cooler running. Wow. I had been using Mobil 1 full synthetic 0W-40 European Car Formula exclusively but tried this for the seal protection. Works great and no, it is not Mercedes spec but I will see when the harsh Utah winter hits. May switch to the Liqui-Moly 5W-40 Leichtlauf full synthetic (which does meet Mercedes 722.9 oil spec) for winter (I change the oil every 6 months regardless). Thanks for reading.
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Reviewed in the United States on July 12, 2018
★★★★★ 3
I typed in 5 QT Containers in search line.
Size: 1 Liter
Containers were not 5QT. like I had typed into search bar. They Are 1QT. Lots of Money for ONE QUART OF OIL
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Reviewed in the United States on February 25, 2024