Proxxon Precision Lathe PD 250/E vs Sherline 8440C 17″ CNC Benchtop Lathe System Package C
Technical comparison · Turning (lathe)
Precision Lathe PD 250/E and 8440C 17″ CNC Benchtop Lathe System Package C are two turning (lathe) in a similar class. Choose Precision Lathe PD 250/E if price matters more; choose 8440C 17″ CNC Benchtop Lathe System Package C if distance between centers and swing over bed matters more. On the category's overall technical index, 8440C 17″ CNC Benchtop Lathe System Package C scores 63/100 against 30/100 for Precision Lathe PD 250/E.
| Parameter |
Precision Lathe PD 250/E
Proxxon
F2 · Intermediate
|
8440C 17″ CNC Benchtop Lathe System Package C
Sherline
F2 · Intermediate
|
|---|---|---|
| Identity | ||
| Use tier | F2 — Intermediate | F2 — Intermediate |
| Price | ||
| Price (€) | ~1050–1370 € | ~2600–2800 € |
| Universal specs | ||
| Dimensions (W×D×H) (cm) | 27 × 56 × 17 cm | 28.6 × – × 20.3 cm |
| Weight (kg) | 12 kg | 31.4 kg |
| Work area (mm) | — | 430 × 110 mm |
| Power (W) | 150 W | — |
| Voltage (V) | 230 V | 240 V |
| Maximum speed | 3000 rpm | 2800 rpm |
| Declared precision | 0.05 mm | 0.0127 mm |
| Category specs | ||
| Swing over bed (mm) | 70 mm | 90 mm |
| Distance between centers (mm) | 250 mm | 430 mm |
| Ecosystem | ||
| Cloud dependency | No | No |
| Software notes | — | The system includes a PC running Ubuntu Linux with LinuxCNC pre-installed, along with a 4-axis driver board built into the computer chassis. A CD with complete instructions and utilities to convert CAD files and TrueType fonts into G-code is included. The operator must supply an external monitor; keyboard and mouse are provided. LinuxCNC is an open-source CNC control package running real-time on the Linux kernel and is compatible with standard G-code formats. |
The differences that matter
- Price: Precision Lathe PD 250/E 1210 € vs 8440C 17″ CNC Benchtop Lathe System Package C 2700 € — Precision Lathe PD 250/E wins (+123%)
- Distance between centers: Precision Lathe PD 250/E 250 mm vs 8440C 17″ CNC Benchtop Lathe System Package C 430 mm — 8440C 17″ CNC Benchtop Lathe System Package C wins (+72%)
- Swing over bed: Precision Lathe PD 250/E 70 mm vs 8440C 17″ CNC Benchtop Lathe System Package C 90 mm — 8440C 17″ CNC Benchtop Lathe System Package C wins (+29%)
Which one to choose
Choose 8440C 17″ CNC Benchtop Lathe System Package C if…
you value distance between centers and swing over bed.
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