Amada4kW
LCG AJ 4020Work Area4000×2000mm
Max Steel19mm
Speed @5mm13 m/min
Price$110,000 - $140,000
Compare 44 4KW fiber laser cutting machines from 19 manufacturers. View cutting thickness, speed benchmarks, and prices side-by-side. Pricing from $20,000 to $750,000.
4kW fiber lasers represent the entry point for metal cutting operations. 44 options from 19 manufacturers make this the most accessible power tier, ideal for signage shops, light fabrication, and prototyping operations processing predominantly thin materials (1–6mm mild steel).
At this power level, laser source brand matters less — both Raycus and IPG deliver adequate beam quality for thin-sheet cutting. Focus your evaluation instead on motion system quality (ball screw vs. rack-and-pinion), controller software capabilities, and the manufacturer's local service infrastructure. The average power across these 44 machines is 4.0kW.
| Brand / Model | Power | Work Area | Max Steel | Speed @5mm | Price Range | Origin |
|---|---|---|---|---|---|---|
| Amada LCG AJ 4020 | 4kW | 4000×2000 | 19mm | 13 m/min | $110,000 - $140,000 | 🌍 |
| Amada VENTIS 4kW | 4kW | 3000×1500 | 25mm | 13 m/min | $180,000 - $250,000 | 🇯🇵 |
| Amada VENTIS-AJ 3015 4kW | 4kW | 3000×1500 | 20mm | 16 m/min | $250,000 - $350,000 | 🇯🇵 |
| BLM Group LC5 Combi | 4kW | 3000×1500 | 25mm | 13 m/min | $380,000 - $520,000 | 🇮🇹 |
| BLM Group LT Fiber EVO | 4kW | — | 25mm | 13 m/min | $420,000 - $520,000 | 🇮🇹 |
| BLM Group LT-FREE | 4kW | — | 25mm | 13 m/min | $650,000 - $850,000 | 🇮🇹 |
| BLM Group LT5 Tube 4kW | 4kW | 4500×120 | 6mm | — | $250,000 - $400,000 | 🇮🇹 |
| BLM Group LT7 4kW | 4kW | 6500×800 | 8mm | 12 m/min | $250,000 - $350,000 | 🇮🇹 |
| BLM Group LT8.20 4kW | 4kW | — | 25mm | 13 m/min | $350,000 - $480,000 | 🇮🇹 |
| BLM Group LT8.20 Lasertube | 4kW | — | 25mm | 13 m/min | $400,000 - $550,000 | 🇮🇹 |
A 4kW fiber laser typically cuts mild steel up to 22mm, stainless steel up to 10mm, and aluminum up to 8mm. At this power level, cutting speed on 5mm mild steel averages 10–20 m/min with nitrogen assist gas. For thinner materials (1–3mm), speeds can exceed 30 m/min. The actual maximum thickness depends on beam quality (BPP), cutting head optics, and assist gas pressure. Entry-level power is ideal for sheet metal shops processing up to medium thickness with moderate production volume.
We currently list 44 verified 4kW fiber laser cutting machines from manufacturers worldwide, including Chinese brands (HSG, Bodor, Senfeng), European premium brands (TRUMPF, Bystronic, Amada), and mid-tier options (Mazak, Eagle, Cincinnati). Each listing includes full specifications, cutting thickness data, work area dimensions, and price range estimates. Use our comparison table above to sort by brand, origin country, work area size, or price to find the best match for your production requirements and budget.
4kW fiber laser cutting systems range from approximately $30,000–$60,000 for Chinese-manufactured machines to $150,000–$300,000 for premium European brands like TRUMPF TruLaser or Bystronic ByStar. Price differences reflect laser source quality (IPG vs. Raycus), motion system precision (linear motors vs. ball screws), build quality, software capabilities, and after-sales service networks. Budget machines often use Raycus or MAX Photonics sources, while premium systems feature IPG or TRUMPF TruFiber sources with higher beam quality.