Sumner 3900 Fold-A-Jack Pipe Stand with V-Head
The Sumner 3900 Fold-A-Jack is a heavy-duty pipe stand with V-head designed for pipe fabrication, welding, mechanical work, and industrial jobsite support. Also referenced under old Sumner part number 781300, this rugged jack stand delivers a high 2,500 lb load capacity while maintaining a compact folding design for easier transport and storage.
Built for Pipe Handling, Welding, and Fabrication
The Sumner 3900 pipe jack stand is built for professionals who need dependable pipe support, stable height adjustment, and safer handling on the shop floor or jobsite. Its oversized square tube legs and braces, wide stance, and reinforced steel construction help provide the rigidity and durability required for demanding industrial use.
Key Benefits of the Sumner 3900
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2,500 lb capacity for heavy-duty pipe support applications
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Adjustable height range from 28 in to 49 in for flexible working height
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Oversized 10 in V-head helps cradle and center pipe securely
- Fits pipe up to 12 in / 300 mm
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1-1/2 in ACME fine adjustment rod for precise height control
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Quick lock washer for faster positioning and easier setup
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Patented Fall Guard safety zone for added operator safety
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Folding-leg design for easier storage and transport
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Set screw locks the jack head to the stand for transportation with no loose pieces
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Independent load testing and third-party tested 2:1 safety ratio
Common Applications
The Sumner 3900 V-head pipe stand is ideal for supporting pipe during welding, threading, cutting, fitting, grooving, and fabrication work. It is widely suited for:
- Pipe welding and fabrication shops
- Mechanical contractors
- Industrial maintenance teams
- Plumbing and piping professionals
- Structural and process piping work
- General industrial support applications
Sumner 3900 Specifications
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Model: 3900
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Old Sumner Part Number: 781300
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Description: Hi Heavy Duty Fold-A-Jack with V-head
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Load Capacity: 2,500 lb / 1,135 kg
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Height Range: 28 in to 49 in
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Pipe Capacity: Up to 12 in / 300 mm
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Head Type: V-head
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V-head Size: 10 in
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Rod Size: 1-1/2 in ACME
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Construction: Rugged folding-leg steel with oversized square tube legs and braces
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Shipping Dimensions: 24 in x 21 in x 29 in
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Shipping Weight: 26 lb
Why Buy the Sumner 3900
If you need a heavy-duty adjustable pipe stand that combines portability, precise height adjustment, and strong load support, the Sumner 3900 Fold-A-Jack is one of the best options in its class. Its folding design, large V-head, rugged steel construction, and professional safety features make it a strong choice for fabrication shops and contractors who need reliable pipe handling equipment.
Order the Sumner 3900 Online
Buy the Sumner 3900 pipe stand for professional-grade support in welding, fabrication, and industrial pipe work. This model is ideal for buyers searching for a Sumner 3900, Sumner 781300, Fold-A-Jack pipe stand, V-head pipe stand, or 2,500 lb adjustable pipe jack stand.