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| Specification | Details |
|---|---|
| Manufacturer / Model | Gould & Eberhardt (“G&E”), Model 72H Hi‑Column Gear Hobber |
| Machine Type | Heavy-duty, supine orientation, horizontal gear hobber |
| Max Workpiece Diameter | 80″ (2 032 mm) with support; 36″ (914 mm) without support (Revelation Machinery, Bourn-Koch, Inc., geepro.en.made-in-china.com) |
| Max Face Width | 35″ (889 mm) |
| Max Hob Diameter | 10.75″ (273 mm) |
| DP Module Range | 1.5 DP (~17 mm pitch) in steel |
| Hob Shaft Speed | 6–100 rpm |
| Feed Rate (per rev) | 0.03–0.200″ (0.8–5.1 mm) |
| Table Diameter | 40″ (1 016 mm) |
| Power | 15 HP (~11 kW) main motor |
| Machine Dimensions | 16′ × 8′ × 11′ (4.9 × 2.4 × 3.4 m) |
| Weight | ~35,000 lb (~15,876 kg) |
| Features | Differential indexing, tailstock, change gears, tooling included |
