DB-400A 20kW 25kVA diesel welding generator is a dual‑purpose industrial unit that provides stable welding performance and reliable auxiliary power. It offers 40–400A adjustable welding current, supports manual/ARC welding, and comes with 20KW 380V auxiliary power output. Powered by a 4‑cylinder water‑cooled diesel engine, it features electric start, 70L large fuel tank, low noise, and compact structure, making it widely used for construction sites, engineering, pipeline welding, and on‑site emergency power supply.
Welding type: msnual/ARC welding
No. load voltage(V): 60-70
Welding voltage(V): 22-28
Welding current(A): 40-400
Load continuous rate: 60%
Engine type: 4 cylinder, water-cooled, direct injection
displacement(L): 2.3
For more types, please contact us.
Introduction:
The DB-400A 20kW diesel welding generator is a rugged, all-in-one power solution built for demanding field work. It delivers a 40–400A adjustable welding current, supporting stable ARC welding for various materials, while also providing a 20kW auxiliary power output to run tools and equipment on site. Powered by a reliable 4-cylinder water-cooled diesel engine, the unit ensures consistent performance, low fuel consumption, and long continuous operation, with a large fuel tank for extended work hours. Designed with a compact frame, low noise operation, and built-in safety protections, it is easy to transport and use in construction sites, pipeline projects, remote engineering works, and emergency maintenance scenarios.
Advantages:
The advantages of DB-400A 25kVA diesel welding generator:
Dual-function Design:
Combines 40-400A adjustable welding output with 20kW auxiliary power supply, enabling both welding and power generation in one unit for maximum site efficiency.
Reliable Diesel Power:
Equipped with a 4-cylinder water-cooled diesel engine, delivering strong power, low fuel consumption, and long continuous operation for demanding field conditions.
Versatile Welding Performance:
Supports stable ARC welding across a wide current range, suitable for various welding tasks and materials in construction, pipeline, and engineering projects.
Field-ready Durability:
Built with a rugged, compact frame, low-noise operation, and safety protections, ensuring reliable performance even in harsh outdoor environments.
Low Maintenance & Cost-effective:
High-quality components and a simple, durable design minimize upkeep requirements, reducing long-term operational costs and downtime.
Technical Parameters:
| Welder | Welding Type | Manual/ARC welding |
| No Load Voltage (V) | 60-70 | |
| Welding Voltage (V) | 22-28 | |
| Welding Current (A) | 40-400 | |
| Load Continuous Rate | 60% | |
| Auxiliary Power | AC380V/20KW | |
| Engine | Engine Model | WP2.3D25E200 |
| Engine Type | 4Cylinder, Water-cooled, Direct Injection | |
| Bore*Stroke (MM) | 89*92 | |
| Displacement（L) | 2.3 | |
| Start Type | Electric 电启动 | |
| Oil Capacity (L) | 8 | |
| Generator | Fuel Tank Capacity (L) | 70 |
| Noise Level (dBA/7m) | 75 | |
| Size 尺寸 | 1680*820*1010 | |
| Weight (KG) | 680 |
DB- 500A Technical Parameters:
| 500A Diesel Welding Generator | ||
| Model No. | DB-500A | |
| Welder | Welding Type | Manual/ARC welding |
| No Load Voltage (V) | 60-70 | |
| Welding Voltage (V) | 22-28 | |
| Welding Current (A) | 40-500 | |
| Load Continuous Rate | 60% | |
| Auxiliary Power | AC380V/30KW | |
| Engine | Engine Model | WP2.3D33E200 |
| Engine Type | 4Cylinder, Water-cooled, Direct Injection | |
| Bore*Stroke (MM) | 89*92 | |
| Displacement （L) | 2.3 | |
| Start Type | Electric | |
| Oil Capacity (L) | 8 | |
| Generator | Fuel Tank Capacity (L) | 70 |
| Noise Level (dBA/7m) | 75 | |
| Size 尺寸 | 1680*820*1010 | |
| Weight (KG) | 700 | |
DB- 600A Technical Parameters:
| Model No. | DB-600A | |
| Welder | Welding Type | Manual/ARC welding |
| No Load Voltage (V) | 60-70 | |
| Welding Voltage (V) | 22-28 | |
| Welding Current (A) | 40-600 | |
| Load Continuous Rate | 60% | |
| Auxiliary Power | AC380V/50KW | |
| Engine | Engine Model | WP4.1D66E200 |
| Engine Type | 4Cylinder, Water-cooled, Direct Injection | |
| Bore*Stroke (MM) | 105*118 | |
| Displacement （L) | 4.1 | |
| Start Type | Electric | |
| Oil Capacity (L) | 13 | |
| Generator | Fuel Tank Capacity (L) | 100 |
| Noise Level (dBA/7m) | 75 | |
| Size | 1800*900*1300 | |
| Weight (KG) | 850 | |
Why choose Dingbo Power?
Dingbo Power provides reliable diesel welding generators with stable performance and complete specifications including 400A, 500A and 600A models. Our products adopt high-quality water-cooled 4-cylinder diesel engines, supporting manual and ARC welding with wide adjustable current range and 60% high duty cycle. Each unit is equipped with stable auxiliary power output, large fuel tank, electric start, low noise and compact structure for easy movement. We focus on durable design, strict quality control and stable performance to meet long-term working needs in construction, engineering and on-site maintenance. With complete configuration, reliable quality and professional manufacturing, Dingbo Power is your ideal partner for durable diesel welding generators.
Copyright © Guangxi Dingbo Generator Set Manufacturing Co., Ltd. All Rights Reserved | Sitemap
Update cookies preferences
WeChat