The Fat Jack™ Maxi is the largest in B&B SUMNER’s high-capacity pipe jack line. It handles pipes up to 36″ / 914 mm with a load capacity of 6,000 lbs / 2,725 kg and adjusts from 36 – 61″ / 914 – 1,549 mm. Built from 1.25″ steel tubing, it features a double locking pin system, wide stance, and a large ergonomic handle for safe and easy adjustments. The V-head guarantees centered support, and optional roller heads are available. At 47 lbs / 21.4 kg, this jack offers top-tier strength and precision for demanding industrial use.
FAT JACK™ MAXI
ONLY STOCKED IN THE AMERICAS


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New Part No. | Old SUMNER Part No. | Old BB Part No. | Description | Load Capacity |
4700 | 787900 | n/a | Fat Jack™ Maxi with V-head | 6,000 lbs / 2,725 kg |
4700SWH | 787903 | n/a | Fat Jack™ Maxi with steel wheel head | 6,000 lbs / 2,725 kg |
4700SSWH | n/a | n/a | Fat Jack™ Maxi with stainless steel wheel head | 6,000 lbs / 2,725 kg |
The B&B SUMNER Fat Jack™ range entails high-performance pipe jack stands designed to handle the most demanding industrial applications. Crafted from rugged 1.25″ steel tubing, the Fat Jack™ series is engineered to offer superior strength, stability, and reliability on the job site and is available in three sizes: Mini, Midi, and Maxi – each capable of withstanding heavy loads up to 6,000 lbs / 2,725 kg, setting a new benchmark for durability in material handling solutions.
- Supports loads up to 6,000 lbs / 2,725 kg.
- Equipped with a 1.5″ ACME fine adjustment thread and a large ergonomic handle for smooth and accurate height changes.
- Quick-secure double locking pin system – fast and reliable height locking.
- Available with two head options.
- Sturdy construction – built with 1.25″ steel tubing.
- Wide base for stability.
- Max. pipe capacity 36″ / 900 mm with V-head and 24″ / 600 mm with roller heads

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