The HK and HG models are the heavyweight champs of Kingston’s manual line. Available in 12.5” and 14.7” spindle bores, respectively, the HK and HG thrive under the most demanding of work conditions. The HK (available in 30” or 34” swing) consistently leads the industry in heavy-duty oil country applications—with the shorter 30” swing being the most popular for its lower center of gravity and maximum stability during heavy cutting—while the larger HG is available in swing sizes up to 40”. These models are equipped with a powerful 20 HP Mitsubishi inverter-driven main motor (6P) and a hydraulic braking system, with a semi-automatic air threading attachment (complete with taper) as a popular option. Kingston’s commitment to building powerful, big bore, heavy duty machines is legendary; the HK and HG are Kingston’s maximal efforts – showcasing our largest spindle bore sizes, heaviest loading capacity, and massive amounts of torque. The HK and HG come front-and-rear-chuck ready (A2-20 spindle nose), with lengths from 120” to 280” between centers.
Specifications
| Capacity | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Swing Over Bed | 30” | 34″ | 34″ | 40″ |
| Swing Over Cross Slide | 20.5” | 25.1” | 25.1” | 31.0″ |
| Distance Between Centers | 120” / 160” / 200” / 240” / 280” | 120” / 160” / 200” / 240” / 280” | 120” / 160” / 200” / 240” / 280” | 120” / 160” / 200” / 240” / 280” |
| Width of Bed | 22” | 22” | 22” | 22” |
| Height of Center from Leg Bottom | 46.5” | 48.6” | 48.6″ | 51.5″ |
| Headstock | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Spindle Bore | 12.5” | 12.5” | 14.7” | 14.7” |
| Taper of Spindle Bore & Center | 3/4” Taper per Foot | 3/4” Taper per Foot | 3/4” Taper per Foot | 3/4” Taper per Foot |
| Type of Spindle Nose | ASA A2-20 | ASA A2-20 | ASA A2-20 | ASA A2-20 |
| Number of Spindle Speed | 16 | 16 | 16 | 16 |
| Spindle Speed | 5 – 300 RPM | 5 – 300 RPM | 5 – 300 RPM | 5 – 300 RPM |
| Gear Box | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Number of Feed Changes | 40 Kinds | 40 Kinds | 40 Kinds | 40 Kinds |
| Range of Feeds per Revolution | 0.0024” – 0.0337” | 0.0024” – 0.0337” | 0.0024” – 0.0337” | 0.0024” – 0.0337” |
| Longitudinal Cross | 1/2 of Longitudinal Feed | 1/2 of Longitudinal Feed | 1/2 of Longitudinal Feeds | 1/2 of Longitudinal Feeds |
| Leadscrew Diameter & Threads / Inch | 1.9″ / 2 TPI | 1.9″ / 2 TPI | 1.9” / 2 TPI | 1.9” / 2 TPI |
| Threading range – Whitworth | 1 to 28 TPI (50) | 1 to 28 TPI (50) | 1 to 28 TPI (50) | 1 to 28 TPI (50) |
| Threading range – Metric | 1 to 28mm pitch (41) | 1 to 28mm pitch (41) | 1 to 28mm pitch (41) | 1 to 28mm pitch (41) |
| Threading range – Module | 0.5 to 7 M (20) | 0.5 to 7 M (20) | 0.5 to 7 M (20) | 0.5 to 7 M (20) |
| Threading range – D.P. | 4 to 56 D.P. (40) | 4 to 56 D.P. (40) | 4 to 56 D.P. (40) | 4 to 56 D.P. (40) |
| Tool Slide | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Maximum Travel of Compound | 9.4” | 9.4” | 9.4” | 9.4” |
| Maximum Travel of Cross Slide | 21.2” | 21.2” | 21.2” | 21.2” |
| Tailstock | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Tailstock Quill Travel | 11.8” | 11.8” | 11.8” | 11.8” |
| Tailstock Quill Diameter | 5.1” | 5.1” | 5.1” | 5.1” |
| Tailstock Center | M.T. #6 | M.T. #6 | M.T. #6 | M.T. #6 |
| Motor | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Main Drive Motor | 20 HP (15kw), 6P | 20 HP (15kw), 6P | 20 HP (15kw), 6P | 20 HP (15kw), 6P |
| Coolant Pump Motor | 1/4 HP | 1/4 HP | 1/4 HP | 1/4 HP |
| Dimensions | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| Floor Space (L x W) | 205″ / 245″ / 285″ / 325″ / 365″ x 86″ | 205″ / 245″ / 285″ / 325″ / 365″ x 86″ | 205″ / 245″ / 285″ / 325″ / 365″ x 86″ | 205″ / 245″ / 285″ / 325″ / 365″ x 86″ |
| Weight (lbs.) | HK 30″ | HK 34″ | HG 34″ | HG 40″ |
| 17,600 / 19,150 / 19,800 / 22,220 / 23,760 | 18,600 / 20,150 / 21,670 / 23,200 / 24,750 | 18,600 / 20,150 / 21,670 / 23,200 / 24,750 | 20,100 / 21,600 / 23,155 / 24,700 / 26,250 |
| Standard Features | Optional Accessories |
| 20 HP, 230V (only), 3 PH, 6P Motor and Electrics Including Motor Drive Arrangement with Inverter & Hydraulic Brake | Semi-Automatic Air Threading Attachment w/ Special Taper |
| Spindle Bore: HK 12.5” / HG 14.7” (15.0″ upgrade) | 11.9”, 19.7” Steady Rest with Roller Jaws |
| Spindle Nose: ASA-A2-20 | 23.5” Steady Rest with Roller Jaws (34″ & 40″ Swing Only) |
| 16 Spindle Speeds: 5 – 300 RPM | Roller Bracket |
| Hydraulic Brake System | 7.9” Follow Rest |
| 4-Way Rapid Traverse | Telescopic Taper Attachment ±8° & 3.5”/foot, 19.7” Stroke |
| T-Slot on Tool Slide | Drilling Attachment |
| Hardened and Ground Bed and Cross Slide Ways | Carriage Stops |
| 2-Speed Drive Tailstock Quill | Splash Guard (Factory Installation Only) |
| Coolant System with Pump and Piping | Chip Conveyor (Factory Installation Only) |
| Pull Drawer Chip (Coolant) Pan | Digital Readout (DRO) + Installation |
| Rear Chuck Adapter Installed | Live Centers |
| Front & Rear Chuck Guards | Aloris Quick Change Tool Post & Sets |
| 3-Jaw & 4-Jaw Manual Chucks | |
| HG Spindle Bore Enlarged to 15.0″ |
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