PRP: 20 kW / 25 kVA
Standby: 22 kW / 27.5 kVA
Engine: 4B3.9-G2
20 kW Prime · 25 kVA · 400/230V · Cummins 4-Cylinder Engine
The JT-20KW Cummins Generator is a compact and reliable backup power solution perfectly designed for small-scale scenarios. Equipped with genuine Cummins 4B3.9-G2 4-cylinder turbocharged engine, it delivers steady 20kW prime power. Ideal for small factories, retail stores, farms and remote sites, it provides dependable energy without the high cost and large size of bigger generator units.
Small Factories | Retail Stores | Farms & Ranches | Remote Work Sites | Residential Communities | Office Buildings | Telecom Stations | Emergency Backup Power
| Model | JT-20KW |
| Prime Power | 20 kW / 25 kVA |
| Standby Power | 22 kW / 27.5 kVA |
| Voltage | 400/230V |
| Frequency | 50 Hz |
| Engine | Cummins 4B3.9-G2 |
| Engine Type | 4-Cylinder, Turbocharged |
| Displacement | 3.9 L |
| Rated Speed | 1,500 RPM |
| Compression Ratio | 18.0:1 |
| Alternator Type | Brushless, 3-Phase |
| Power Factor | 0.8 (lagging) |
| Insulation Class | Class H |
| Protection Grade | IP23 |
| Fuel Tank Capacity | 8 hrs runtime (base tank) |
| ATS Compatible | Yes |
| Altitude | ≤1,000 m |
Delivers 20kW continuous prime power with 10% overload capacity, steadily supporting refrigeration, lighting and daily essential equipment with stable frequency regulation within ±1%.
Original Cummins 4B3.9-G2 turbocharged engine with 3.9L displacement and 18.0:1 compression ratio, electronic governor ensures fast load response and high fuel efficiency.
Built-in base fuel tank supports up to 8 hours continuous operation without frequent refueling, perfect for remote areas and overnight emergency backup use.
Small footprint saves installation space, simple control panel allows quick startup without professional training. Optional silent canopy adapts to noise-sensitive environments.
Advanced clean combustion technology meets local environmental emission standards, reducing pollution while lowering long-term fuel consumption costs.
Heavy-duty construction adapts to harsh outdoor and remote working conditions, backed by Cummins global service network for convenient spare parts and technical support worldwide.
Contact us for factory-direct pricing, custom configurations and full after-sales service. We provide professional technical consultation, installation guidance and official warranty support for the JT-20KW Cummins Generator.
Shandong Jutop Heavy Industry Technology Co., Ltd. is a national high-tech heavy machinery manufacturer founded in 2013. Equipped with a 50,000㎡ workshop and over 300 professionals, we specialize in R&D and export of construction machinery, drilling rigs and generators. Boasting 200+ patents and global certifications, our products are exported to over 120 countries, dedicated to supplying reliable cost-effective equipment for worldwide clients.
Submit your questions via the form below for a response within 1 business day.
