| size | 28" Chuck | 28" Chuck |
| Swing | 36.5" | 927.1 mm |
| Centers | 157" | 3,987.8 mm |
| Spindle Bore | 12.5" | 317.5 mm |
| Power | 22 hp | 16.4 kW |
| RPM | 315 RPM | 315 RPM |
| Swing Over Cross Slide | 24.7" | 627.38 mm |
Poreba TPK-90A1/4M 36" x 157" Big Bore Gap Bed Engine Lathe
Swing over Bed 36.5"
Maximum Swing In Gap: 47.2″
Swing Over Cross Slide 24.7"
Centers 157"
Spindle Bore 12.5"
Spindle Speeds: 4 – 315 RPM
(80) Longitudinal Feeds, Range .......... .0043 to .0670 IPR
(80) Cross Feeds, Range .......... .0021 to .033 IPR
(61) Thread Range .......... 1/4 to 30 TPI
(72) Metric Thread, Range .......... 1 to 120 MM/M
Power Rapid Traverse, Carriage .......... 13 FPM
Power 22 hp
12.5" Bore, Front and Rear Chuck
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