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Premium Diesel & Gasoline Welder Generators

High-performance, portable welding solutions from KOVO – engineered for durability, reliability, and industrial-grade performance.

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About KOVO

Beijing Kovo Machinery and Electrical Equipment Co., Ltd. is a leading manufacturer of diesel and gasoline welder generators in China. With years of engineering excellence, we deliver robust, portable, and multifunctional welding solutions trusted by industries worldwide.

Factory Direct

We manufacture and export directly, ensuring competitive pricing and full quality control from production to delivery.

Global Reach

Our products are distributed across Europe, Asia, the Americas, and Africa, meeting international safety and performance standards.

Innovation & Durability

KOVO welders combine brushless technology, 4-stroke engines, and high-duty cycles for consistent, long-lasting performance.

Our Products

Explore our range of diesel and gasoline welder generators designed for pipeline welding, construction, mining, and emergency power applications.

KOVO EW320DST Diesel Welder

KOVO EW320DST Diesel Welder

  • 400A Output | 280CC/CV Rated Current
  • Max Load: 40kVA | 220V±15%
  • Brushless | 1500/1800 RPM
  • 80% Duty Cycle @40°C
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KOVO EW320G R Gasoline Welder

KOVO EW320G R Gasoline Welder

  • Portable | 930×620×640mm
  • 40kVA Max Load | DC Motor
  • Durable for Pipeline Welding
  • 80% Duty Cycle
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Brushless 25HP Diesel KOVO Welder

Brushless 25HP Diesel KOVO Welder

  • 600A DC Welding Current
  • 4-Stroke Engine | Brushless
  • High Efficiency | Low Noise
  • Industrial Grade
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Multifunction Brushless Diesel Welder

Multifunction Brushless Diesel Welder

  • 25HP | 400A Output
  • 4-Stroke Engine | 50/60Hz
  • Power Generation + Welding
  • Compact & Portable
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KOVO EW500DST Diesel Welder Generator

KOVO EW500DST Diesel Welder Generator

  • 1500/1800 RPM | 600A Current
  • 220V/380V Rated Voltage
  • 5000W Output | Brushless
  • Trailer Type Available
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KOVO EW240G Pipeline Welding Machine

KOVO EW240G Pipeline Welding Machine

  • 90KG Lightweight Design
  • 5-in-1 Functionality
  • 80% Duty Cycle | 380V-460V
  • Ideal for Field Operations
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Engine Driven Welder Generator KOVO EW400DS-X

Engine Driven Welder Generator KOVO EW400DS-X

  • 40kVA Max Load | 220V±15%
  • Perfect for Pipeline Welding
  • 80% Duty Cycle
  • Reliable & Efficient
View Details
KOVO EW400DSTL Engine Driven Welder

KOVO EW400DSTL Engine Driven Welder

  • 600A Output | 220V/380V
  • 1-Year Warranty
  • High-Frequency Ignition
  • Industrial Durability
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Why Choose KOVO?

Engineered for performance, durability, and reliability in the toughest environments.

🔧

Brushless Technology

Higher efficiency, lower maintenance, and longer lifespan.

⚡

High Duty Cycle

80% duty cycle ensures continuous welding without overheating.

🌍

Global Standards

Compliant with international safety and performance certifications.

🚚

Portable Design

Lightweight and trailer-ready models for remote job sites.

15+
Diesel Welder Models
5+
Gasoline Models
80%
Rated Duty Cycle
1 Year
Standard Warranty

Frequently Asked Questions

What is the warranty on KOVO welder generators?

All KOVO welder generators come with a standard 1-year (365-day) warranty covering manufacturing defects and performance issues.

Are KOVO welders suitable for pipeline welding?

Yes, models like the EW240G and EW320G are specifically designed for pipeline welding with durable construction and high output stability.

Do you offer trailer-mounted welder generators?

Yes, the EW500DST is available in a trailer-type configuration for easy transport to remote job sites.

What fuel types are supported?

We offer both diesel and gasoline-powered models to suit different operational and environmental requirements.

Can I use the generator for power tools?

Absolutely. KOVO welder generators provide clean, stable power for lighting, tools, and other equipment in addition to welding.

Get in Touch

For quotes, technical specifications, or bulk orders, visit our official website to connect with our sales team.

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