Hartford HSA-728
Image: hartfordcnc.com, Hartford
Key Specifications
Spindle Taper
Tool Capacity
Table Size
Spindle Power
max table load
x axis travel
How much does the Hartford HSA-728 cost?
Price estimate
We do not have a price for the Hartford HSA-728 that we can stand behind, so we show no number. Configuration, options and installation move the final price a long way: a quote is the reliable figure.
Overview
Seven metres long and 2,500 mm wide: the Hartford HSA-728 is a double-column machining center with 7,000 mm (275.6 in) of X travel, 2,800 mm (110.2 in) of Y and a 7,000 x 2,500 mm (275.6 x 98.4 in) table rated for 25,000 kg (55,115 lb).
Hartford does not list a seven-metre machine in every HSA width. There is no x27 and no x32 version at this length in the range; the choice is between this model and the wider HSA-736. That makes the decision simple. If the parts fit within a 2,500 mm table the HSA-728 does the job with a shorter cross-beam.
A moving table seven metres long needs twice that length of floor, since the table travels its own length under the bridge. Planning the installation therefore starts with the building, and Hartford's product page gives no footprint. It should be requested early.
The machine follows the large-HSA pattern: three linear guideways on X, a supported X ballscrew, a slant cross-beam and a four-guideway Z ram with 780 mm of travel (1,000 mm or 1,200 mm optional). Spindles are #50, as gear head at 6,000 / 8,000 rpm, DDS at 10,000 / 12,000 rpm or built-in at 12,000 rpm, with 15 / 18.5 kW to 30 /37 kW. The magazine holds 32 tools, or 40 or 60.
Full Specifications
| Parameter | Value |
|---|---|
| Table Size | 7,000 x 2,500 mm (275.6 x 98.4 in) |
| Max Table Load | 25,000 kg (55,115 lb) |
| X Axis Travel | 7,000 mm (275.6 in) |
| Y Axis Travel | 2,800 mm (110.2 in) |
| Z Axis Travel | 780, opt. 1,000 / 1,200 mm |
| Spindle Taper | #50 |
| Spindle Speed Dds | 10,000 / 12,000 rpm |
| Spindle Speed Gear | 6,000 / 8,000 rpm |
| Spindle Speed Built in | 12,000 rpm |
| Tool Capacity | A: 32 (40 / 60) pcs |
| Tool Shank | BT-50 (CAT50 / DIN69871A / BBT50) |
| Spindle Motor Power | 15 / 18.5 (opt. 18.5 / 22, 22 / 26, 30 /37) kW (Cont. / 30 min) |
Specifications sourced from hartfordcnc.com — verified 2026-10-04
Strengths & Limitations
Strengths
- 7,000 mm (275.6 in) of X travel
- 25,000 kg (55,115 lb) table load
- Three X-axis linear guideways with supported X ballscrew
- Shorter cross-beam than the HSA-736 for parts within 2,500 mm
- Gear, DDS and built-in spindle choices
Limitations
- No footprint data published, and a moving table of this length needs a long floor
- Y-axis ballscrew support is optional on x28 models
- Z travel of 780 mm as standard
- Tool magazine limited to 60
Best For
Frequently Asked Questions
01
X travel is 7,000 mm (275.6 in) on a table of 7,000 x 2,500 mm (275.6 x 98.4 in). Y travel is 2,800 mm (110.2 in).
02
25,000 kg (55,115 lb) average load. The wider HSA-736 is rated for 27,000 kg (59,524 lb) on a 7,000 x 3,000 mm (275.6 x 118.1 in) table.
03
780 mm is listed, with 1,000 mm and 1,200 mm as options. The Z axis has a nitrogen counterweight and four linear guideways.
04
For roughing steel, the #50 gear head at 6,000 / 8,000 rpm with a motor up to 30 /37 kW. For finishing or aluminium, the DDS spindle at 10,000 / 12,000 rpm or the built-in spindle at 12,000 rpm.
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