Best 44 4KW Fiber Laser Cutting Machines (2025 Comparison)

Compare 44 4KW fiber laser cutting machines from top brands. View specs, cutting thickness, speed benchmarks, and prices side-by-side.

44Machines
19Brands
4kWPower Range
8Countries
0.4kW52kW103kW834kW446kW1878kW399kW510kW6312kW12315kW4520kW8330kW24
BLM Group4kW
LC5 Combi
Work Area3000×1500mm
Max Steel25mm
Speed @5mm13 m/min
Price$380,000 - $520,000
🇮🇹 ItalyView Details →
BLM Group4kW
LT7 4kW
Work Area6500×800mm
Max Steel8mm
Speed @5mm12 m/min
Price$250,000 - $350,000
🇮🇹 ItalyView Details →
Bystronic4kW
3015 4kW
Work Area3000×1500mm
Max Steel25mm
Speed @5mm13 m/min
Price$250,000 - $310,000
🇨🇭 SwitzerlandView Details →
Mitsubishi Electric4kW
ML3015eX-F40
Work Area3050×1525mm
Max Steel19mm
Speed @5mm13 m/min
Price$320,000 - $400,000
🇯🇵 JapanView Details →

Quick Comparison

Brand / ModelPowerWork AreaMax SteelSpeed @5mmPrice RangeOrigin
Amada LCG AJ 40204kW4000×200019mm13 m/min$110,000 - $140,000🌍
Amada VENTIS 4kW4kW3000×150025mm13 m/min$180,000 - $250,000🇯🇵
Amada VENTIS-AJ 3015 4kW4kW3000×150020mm16 m/min$250,000 - $350,000🇯🇵
BLM Group LC5 Combi4kW3000×150025mm13 m/min$380,000 - $520,000🇮🇹
BLM Group LT Fiber EVO4kW—25mm13 m/min$420,000 - $520,000🇮🇹
BLM Group LT-FREE4kW—25mm13 m/min$650,000 - $850,000🇮🇹
BLM Group LT5 Tube 4kW4kW4500×1206mm—$250,000 - $400,000🇮🇹
BLM Group LT7 4kW4kW6500×8008mm12 m/min$250,000 - $350,000🇮🇹
BLM Group LT8.20 4kW4kW—25mm13 m/min$350,000 - $480,000🇮🇹
BLM Group LT8.20 Lasertube4kW—25mm13 m/min$400,000 - $550,000🇮🇹

Frequently Asked Questions

What can a 4kW fiber laser cut?

A 4kW fiber laser typically cuts mild steel up to 22mm, stainless up to 10mm, and aluminum up to 8mm.

How many 4kW laser cutters are listed?

We list 44 4kW fiber laser cutting machines from budget to premium manufacturers.

What's the price range for 4kW systems?

Prices range from ~$30K–$60K (Chinese brands) to $250K–$500K+ (premium European like TRUMPF, Bystronic).