Cummins 4B Series 63kVA Diesel Generator for Small Workshops & Agricultural Machinery Support
| Engine: | Cummins | Fuel Type: | Diesel |
| Coolingsystem: | Radiator Cooled | Cooling System: | 40℃ Standard Water Cooling Cycle |
| Cerificate: | ISO9001/ CE | Rated Voltage: | 400V/230V |
| Starting Method: | DC 24V DC Start | Oil Supply Method: | Direct Injection |
| Debugging Method: | Electronic Speed Regulation | Air intake Method: | Turbocharged Intercooler |
| High Light: | Workshop Cummins Diesel Generator,Agricultural Cummins Diesel Generator Set,Workshop Cummins Water Cooled Generator |
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Cummins 4B Series 63kVA Diesel Generator for Small Workshops & Agricultural Machinery Support
Product Overview
WOPUSAI Cummins 4B series 63kVA diesel generator set is equipped with genuine Cummins 4BTA3.9-G2 electronically controlled turbocharged engine, matched with high-performance TFW brushless all-copper alternator. As the high-power version of 4B 3.9L platform, 4BTA3.9-G2 adopts advanced turbocharged and after-cooled technology, offering larger power reserve and stronger continuous load capacity. This unit can run stably for long hours, suitable for sites requiring higher continuous power output.
Product Showcase
This WOPUSAI 63kVA Cummins 4B series genset is powered by 4BTA3.9-G2 turbocharged aftercooled engine. Upgraded heavy-duty base frame with reinforced shock absorption system. The digital control panel supports multiple protection and optional auto-start function. Higher power density within the same 3.9L platform, suitable for medium continuous power applications.

Key Specifications
40kVA-63kVA 4B series series Cummins open frame unit |
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| Rated power | 33KW/40kVA | 40KW/50kVA | 50KW/63kVA |
| Rated current | 59.4A | 72A | 90A |
| Rated voltage | 400V/230V | ||
| Rated frequency | 50Hz/60Hz | ||
| Rated speed | 1500rpm/1800rpm | ||
| Fuel consumption | 250g/KW.h | ||
| Dimensions | 1750*650*1100mm | 1750*650*1100mm | 1750*650*1100mm |
| Unit weight | 750KG | 800KG | 950KG |
| Noise index | 110dB | ||
| Model | 4B3.9-G2 | 4BT3.9-G2 | 4BTA3.9-G2 |
| Number of cylinders | 4L | ||
| Bore stroke | 102*120MM | ||
| Exhaust volume | 3.9L | ||
| Starting method | DC 24V DC start | ||
| Cooling method | 40℃ standard water cooling cycle | ||
| Oil supply method | Direct injection | ||
| Debugging method | Electronic speed regulation | ||
| Air intake method | Inhale naturally | Turbocharging | Turbocharged intercooler |
| Generator configuration | Brushless all copper | ||
| Brand/Model | Foshan STAMFORD TFW-20 | Foshan STAMFORD TFW-30 | Foshan STAMFORD TFW-50 |
| Rated power | 33KW/40kVA | 40KW/50kVA | 50KW/63kVA |
| Insulation level | H | ||
| Protection level | IP 23 | ||
| Wiring method | Star connection | ||
| Adjustment method | AVR automatic voltage regulation | ||
| Power Factor | 0.8 lag | ||
✅ Core Advantages
- Turbocharged & aftercooled engine, excellent high-temperature altitude adaptability
- High power density, stronger overload capacity for frequent peak load
- Optimized fuel injection system, stable power output and low operating cost
- Heavy-duty shock-absorbing base frame, minimize vibration and improve unit stability
- Digital control system, automatic start/stop function optional for unattended room
🎯 Application Scenarios
- Medium-sized factories and processing workshops main/standby power
- Engineering projects, mining auxiliary equipment power supply
- Hospitals, data rooms and medium-sized commercial complex emergency power
- Agricultural processing plants and livestock farm continuous power supply
Brand Introduction
Cummins is a world-leading power equipment manufacturer founded in 1919 in USA. It specializes in designing and producing diesel engines, generator sets and related power solutions. Cummins engines are widely recognized for outstanding reliability, fuel economy and global after-sales service network. Cummins 4B series engines are classic light-duty power products, well-proven in global markets for decades.
