The Stubby Heavy Duty Pro-Jack is B&B SUMNER’s most compact fixed-leg jack, offering dependable pipe support in space-constrained settings. With a height range of 16 – 26″ / 406 – 660 mm, it maintains a sturdy frame while accommodating up to 12″ / 300 mm pipe diameters. Despite its smaller size, it matches the load capacity of larger models at 2,500 lbs / 1,135 kg. Its V-head guarantees stable positioning, and the 14.00 lbs / 6.50 kg shipping weight makes it easy to move between locations. Ideal for mechanical shops and low-elevation jobs, it delivers reliability without sacrificing safety.
STUBBY HEAVY DUTY PRO-JACK
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| New Part No. | Old SUMNER Part No. | Old BB Part No. | Description | Load Capacity |
| 4240 | n/a | 4240 | Stubby Heavy Duty Pro-Jack with V-head | 2,500 lbs / 1,135 kg |
| 4240GVH | n/a | 4241 | Stubby Heavy Duty Pro-Jack with gusset V-head | 2,500 lbs / 1,135 kg |
| 4240SWH | n/a | 4245 | Stubby Heavy Duty Pro-Jack with steel wheel head | 2,000 lbs / 910 kg |
| 4240PWH | n/a | n/a | Stubby Heavy Duty Pro-Jack with phenolic wheel head | 1,000 lbs / 450 kg |
| 4240SSWH | n/a | n/a | Stubby Heavy Duty Pro-Jack with stainless steel wheel head | 2,000 lbs / 910 kg |
| 4240SSH | n/a | n/a | Stubby Heavy Duty Pro-Jack with stainless steel V-head sleeves (pair) | 2,500 lbs / 1,135 kg |
| 4240BTH | n/a | n/a | Stubby Heavy Duty Pro-Jack with stainless steel ball transfer head | 1,000 lbs / 450 kg |
| 4240PCV | n/a | n/a | Stubby Heavy Duty Pro-Jack with pipe chain vice head | 550 lbs / 250 kg |
| 4240CRH | n/a | n/a | Stubby Heavy Duty Pro-Jack with conveyor roller head | 550 lbs / 250 kg |
| 4240CVH | n/a | n/a | Stubby 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.
OPERATING MANUAL
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