The Lo Fold-A-Jack from B&B SUMNER offers all the strength of its taller sibling with a shorter profile for tighter setups. Height adjusts from 20 – 37″ / 508 – 940 mm, suitable for up to 12″ / 300 mm pipe. Its V-head ensures pipe stability during welding or layout. Rated for 2,500 lbs / 1,135 kg, the unit has a shipping weight of 18.00 lbs / 8.00 kg and is equipped with folding legs and oversized bracing for rugged jobsite conditions. The quick-lock ACME-threaded system provides smooth, secure height changes. It’s a favorite for compact mechanical spaces and maintenance work.
LO HEAVY DUTY FOLD-A-JACK
ONLY STOCKED IN THE AMERICAS


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New Part No. | Old SUMNER Part No. | Old BB Part No. | Description | Load Capacity |
4000 | 781310 | 4000 | Lo Heavy Duty Fold-A-Jack with V-head | 2,500 lbs / 1,135 kg |
4000GVH | n/a | n/a | Lo Heavy Duty Fold-A-Jack with gusset V-head | 2,500 lbs / 1,135 kg |
4000SWH | 781311 | 4005 | Lo Heavy Duty Fold-A-Jack with steel wheel head | 2,000 lbs / 910 kg |
4000PWH | 781316 | n/a | Lo Heavy Duty Fold-A-Jack with phenolic wheel head | 1,000 lbs / 450 kg |
4000SSWH | 781313 | n/a | Lo Heavy Duty Fold-A-Jack with stainless steel wheel head | 2,000 lbs / 910 kg |
4000SSH | 781314 | n/a | Lo Heavy Duty Fold-A-Jack with stainless steel V-head sleeves (pair) | 2,500 lbs / 1,135 kg |
4000BTH | 781315 | n/a | Lo Heavy Duty Fold-A-Jack with stainless steel ball transfer head (pair) | 1,000 lbs / 450 kg |
4000PCV | n/a | n/a | Lo Heavy Duty Fold-A-Jack with pipe chain vice head | 550 lbs / 250 kg |
4000CRH | n/a | n/a | Lo Heavy Duty Fold-A-Jack with conveyor roller head | 550 lbs / 250 kg |
4000CVH | n/a | n/a | Lo Heavy Duty Fold-A-Jack with conveyor V-head | 550 lbs / 250 kg |
- 2,500 lbs / 1,135 kg load capacity
- Third-party tested with at least a 2:1 safety ratio.
- Oversized 10″ V-head for increased safety.
- Oversized square tube legs and braces for increased durability.
- 11/2″ (1.5″) ACME rod is largest in the industry.
- Quick lock washer height adjustment for easy use.
- More head options than any other manufacturer.
- Increased width stance for better stability.
- Square tube bracing offers additional strength and rigidity.
- Safety washer can be locked on to base for increased operator safety.

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