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Central Machinery (Harbor Freight)
Central Machinery 20 Ton H-Frame Floor Shop Press
$269.99Cheaper
Best Hydraulic Shop Presses · head-to-head
Central Machinery 20 Ton H-Frame Floor Shop Press vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press
A sourced, side-by-side comparison. Central Machinery 20 Ton H-Frame Floor Shop Press is cheaper at $269.99. Every spec and price links to its source.
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Black Widow
Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press
$699.99
Which is better: the Central Machinery 20 Ton H-Frame Floor Shop Press or Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press?
The Central Machinery 20 Ton H-Frame Floor Shop Press wins 1 of the 1 specs we compare head to head; the other wins 0. The Central Machinery 20 Ton H-Frame Floor Shop Press is the cheaper at $269.99. The Central Machinery 20 Ton H-Frame Floor Shop Press both leads on specs and costs less — the straightforward pick.
See Central Machinery 20 Ton H-Frame Floor Shop Press on Amazon See Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press on Amazon
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Full spec sheet
✓ marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.
| Spec | Central Machinery 20 Ton H-Frame Floor Shop Press | Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press |
|---|---|---|
| US price | $269.99 | $699.99 |
| Brand | Central Machinery (Harbor Freight) | Black Widow |
| Released | — | — |
| Capacity tons | 20 | 20 |
| RAM stroke (in) | 5.5 | 7.25 |
| Frame type | H-frame (open-side, floor-standing) | H-frame |
| Working width (in) | 27.5625 | 29.5 |
| Bed height adjustment | Raise/lower table via pinned positions for working distance | 9 pinned positions spaced 4-3/4 in. apart |
| Pump type | manual (hand pump) | manual/air (110-120 psi air-over-hydraulic or hand pump) |
| Pressure gauge | — | Yes |
| Weight (lb) | 175 | 216 |
| Screw stroke (in) | — | — |
| RAM diameter (in) | — | — |
| Screw traverse | — | — |
Sources — Central Machinery 20 Ton H-Frame Floor Shop Press: harborfreight.com (verified 2026-08-12). Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press: discountramps.com (verified 2026-08-12).
What's the difference between the Central Machinery 20 Ton H-Frame Floor Shop Press and Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press?
Where the two actually differ on the specs we track (6 of 11). Matching specs are omitted.
- RAM stroke (in): Central Machinery 20 Ton H-Frame Floor Shop Press 5.5 vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press 7.25
- Frame type: Central Machinery 20 Ton H-Frame Floor Shop Press H-frame (open-side, floor-standing) vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press H-frame
- Working width (in): Central Machinery 20 Ton H-Frame Floor Shop Press 27.5625 vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press 29.5
- Bed height adjustment: Central Machinery 20 Ton H-Frame Floor Shop Press Raise/lower table via pinned positions for working distance vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press 9 pinned positions spaced 4-3/4 in. apart
- Pump type: Central Machinery 20 Ton H-Frame Floor Shop Press manual (hand pump) vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press manual/air (110-120 psi air-over-hydraulic or hand pump)
- Weight (lb): Central Machinery 20 Ton H-Frame Floor Shop Press 175 vs Black Widow BD-PRESS-20A 20 Ton Air-Operated Shop Press 216