NEW POREBA TPK 90 3M 38 x 120
Overview
Description
POREBA Model TPK 90 3M 38" X 120" Engine Lathe
The Poreba TPK-90A/3M (or TPK-90/3M) is a heavy-duty conventional gap bed engine lathe, typically featuring a ~36-inch (900-930 mm) swing over the bed, 120-inch (3,000 mm) distance between centers, and a 3.75-inch to 4.5-inch spindle bore. It is a versatile, robust, and rigid lathe designed for large, heavy parts.
Specifications
| Swing | 36" | 914.4 mm |
|---|---|---|
| Centers | 120" | 3,048 mm |
| Spindle Bore | 4" | 101.6 mm |
| Power | 29.5 hp | 22 kW |
| RPM | 900 RPM | 900 RPM |
| Swing Over Cross Slide | 26" | 660.4 mm |
Key Specifications (Commonly Reported):
Swing Over Bed: 36.5 inches / 930 mm
Swing in Gap: ~49 inches / 1200 mm
Distance Between Centers: 120 inches / 3048 mm
Spindle Bore: 4.00 inches / 101.6 mm
Spindle Nose: A1-11
Tailstock Taper: Morse Taper #6
Swing over Cross Slide: 25 inches
Spindle Speed Range: 7 - 900 RPM
Main Motor Power: 30 HP / 22 kW
Weight: 16,006 lbs
Equipped With
Equipped With:
19-3/4"" 3-Jaw Chuck
22" 4-Jaw Chuck
(2) Steady Rest
Manual
2 Axis DRO
Thread Cuttring: Inch/Metric threading capabilities
Features and Capabilities:
Structure: Heavily ribbed, stable cast iron bed for high rigidity.
Gap Bed: Allows for increased swing capacity for larger diameter, shorter parts.
Applications: Designed for heavy-duty roughing and precision finishing.
Equipment: Frequently equipped with heavy-duty steadies (often 2), large 4-jaw chucks, and sometimes a DRO (Digital Readout) system.

