Engineered for low-clearance applications, the B&B SUMNER Lo Heavy Duty Pro-Jack delivers the same durability and features as its Hi counterpart but with a reduced working height of 20 – 37″ / 508 – 940 mm. It holds pipe diameters up to 12″ / 300 mm and supports a load of 2,500 lbs / 1,135 kg. A V-head ensures secure placement and compatibility with multiple optional heads. Its rigid steel frame includes reinforced legs and a 1.5″ ACME adjustment rod, complemented by a quick-lock washer for swift and secure height modifications. Shipping weight is 18.00 lbs / 8.00 kg, making it lightweight yet rugged enough for fabrication, workshop, or field use.
LO HEAVY DUTY PRO-JACK
ONLY STOCKED IN THE AMERICAS
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| New Part No. | Old SUMNER Part No. | Old BB Part No. | Description | Load Capacity |
| 4200 | 780385 | 4200 | Lo Heavy Duty Pro-Jack with V-head | 2,500 lbs / 1,135 kg |
| 4200GVH | n/a | n/a | Lo Heavy Duty Pro-Jack with gusset V-head | 2,500 lbs / 1,135 kg |
| 4200SWH | 780386 | 4205 | Lo Heavy Duty Pro-Jack with steel wheel head | 2,000 lbs / 910 kg |
| 4200PWH | 780391 | 4210 | Lo Heavy Duty Pro-Jack with phenolic wheel head | 1,000 lbs / 450 kg |
| 4200SSWH | 780388 | 4235 | Lo Heavy Duty Pro-Jack with stainless steel wheel head | 2,000 lbs / 910 kg |
| 4200SSH | 780389 | n/a | Lo Heavy Duty Pro-Jack with stainless steel V-head sleeves (pair) | 2,500 lbs / 1,135 kg |
| 4200BTH | 780390 | n/a | Lo Heavy Duty Pro-Jack with stainless steel ball transfer head (pair) | 1,000 lbs / 450 kg |
| 4200PCV | n/a | n/a | Lo Heavy Duty Pro-Jack with pipe chain vice head | 550 lbs / 250 kg |
| 4200CRH | 780387 | n/a | Lo Heavy Duty Pro-Jack with conveyor roller head | 550 lbs / 250 kg |
| 4200CVH | n/a | n/a | Lo Heavy Duty Pro-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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