Kubota Diesel Generator Sets
The SWT Kubota diesel generator set series is designed for reliable small and medium power supply. As a generator set manufacturer and power system integrator, SWT focuses on complete genset configuration, enclosure design, control integration, factory testing and project-specific adaptation rather than standalone engine promotion.
This product page covers selected 50Hz and 60Hz Kubota-powered models from 6kW to 39kW standby power, with single-phase and three-phase options available for different regional power systems and installation requirements.
- 6-39kW standby power range for small commercial, industrial and project-based power needs.
- 50Hz and 60Hz configurations available for different regional power systems.
- Single-phase and three-phase options for flexible electrical matching.
- Open type, silent type and super silent type configurations for different installation and noise-control requirements.
- Integrated control system with local/remote start, event logs and multilingual display.
- Optional ATS for mains/generator automatic transfer.
- Optional SWT paralleling system for multi-unit or grid-related applications when required.
- Factory load test covering 0%, 25%, 50%, 75%, 100% and 110% load conditions.
Model Comparison
| Model | Frequency | Prime Power | Standby Power | Voltage | Speed | Phase |
| SK8.3-1P | 50Hz | 6kW/7.5kVA | 6.6kW/8.3kVA | 220/230/240V | 1500r/min | 1-phase |
| SK10.6-1P | 50Hz | 7.7kW/9.6kVA | 8.5kW/10.6kVA | 220/230/240V | 1500r/min | 1-phase |
| SK14 | 50Hz | 10kW/12.5kVA | 11kW/14kVA | 380/400/415V | 1500r/min | 3-phase |
| SK32.5 | 50Hz | 24kW/30kVA | 26kW/32.5kVA | 380/400/415V | 1500r/min | 3-phase |
| SK40-1P | 50Hz | 29kW/36kVA | 32kW/40kVA | 220/230/240V | 1500r/min | 1-phase |
| SK8.8X-1P | 60Hz | 6.4kW/8kVA | 7kW/8.75kVA | 220/230/240V | 1800r/min | 1-phase |
| SK9.5X | 60Hz | 7kW/8.75kVA | 7.6kW/9.5kVA | 220/127V | 1800r/min | 3-phase |
| SK13.2X | 60Hz | 9.6kW/12kVA | 10.6kW/13.2kVA | 220/127V | 1800r/min | 3-phase |
| SK16.5X-1P | 60Hz | 12kW/15kVA | 13.2kW/16.5kVA | 220/230/240V | 1800r/min | 1-phase |
| SK22X | 60Hz | 16kW/20kVA | 17.6kW/22kVA | 220/127V | 1800r/min | 3-phase |
| SK40.4X | 60Hz | 29.4kW/37kVA | 32.3kW/40.4kVA | 220/127V | 1800r/min | 3-phase |
| SK49X | 60Hz | 35.4kW/44kVA | 39kW/49kVA | 220/127V | 1800r/min | 3-phase |
| SK49X-1P | 60Hz | 35.4kW/44kVA | 39kW/49kVA | 220/230/240V | 1800r/min | 1-phase |
Dimensions and Weight
| Model | Configuration | Dimensions L x W x H (mm) | Weight (kg) |
| SK8.3-1P | Open type | 1460 x 730 x 1170 | 500 |
| SK8.3-1P | Silent type | 1715 x 900 x 1235 | 580 |
| SK8.3-1P | Super silent type | 1900 x 920 x 1280 | 788 |
| SK10.6-1P | Open type | 1460 x 730 x 1170 | 500 |
| SK10.6-1P | Silent type | 1715 x 900 x 1235 | 580 |
| SK10.6-1P | Super silent type | 1900 x 920 x 1280 | 788 |
| SK14 | Open type | 1550 x 730 x 1170 | 550 |
| SK14 | Silent type | 1915 x 900 x 1235 | 680 |
| SK14 | Super silent type | 2150 x 920 x 1280 | 800 |
| SK32.5 | Open type | 1910 x 730 x 1170 | 780 |
| SK32.5 | Silent type | 2215 x 1000 x 1550 | 920 |
| SK32.5 | Super silent type | 2300 x 1120 x 1750 | 1177 |
| SK40-1P | Open type | 1910 x 730 x 1170 | 850 |
| SK40-1P | Silent type | 2215 x 1000 x 1550 | 1100 |
| SK40-1P | Super silent type | 2300 x 1120 x 1750 | 1314 |
| SK8.8X-1P | Open type | 1460 x 730 x 1170 | 450 |
| SK8.8X-1P | Silent type | 1715 x 900 x 1235 | 560 |
| SK8.8X-1P | Super silent type | 1900 x 920 x 1280 | 780 |
| SK9.5X | Open type | 1460 x 730 x 1170 | 450 |
| SK9.5X | Silent type | 1715 x 900 x 1235 | 580 |
| SK9.5X | Super silent type | 1900 x 920 x 1280 | 770 |
| SK13.2X | Open type | 1460 x 730 x 1170 | 500 |
| SK13.2X | Silent type | 1715 x 900 x 1235 | 600 |
| SK13.2X | Super silent type | 1900 x 920 x 1280 | 770 |
| SK16.5X-1P | Open type | 1500 x 730 x 1170 | 550 |
| SK16.5X-1P | Silent type | 1915 x 900 x 1235 | 680 |
| SK16.5X-1P | Super silent type | 1900 x 920 x 1280 | 859 |
| SK22X | Open type | 1650 x 730 x 1170 | 720 |
| SK22X | Silent type | 1915 x 900 x 1235 | 750 |
| SK22X | Super silent type | 2150 x 920 x 1280 | 941 |
| SK40.4X | Open type | 1910 x 730 x 1170 | 780 |
| SK40.4X | Silent type | 2215 x 1000 x 1550 | 940 |
| SK40.4X | Super silent type | 2300 x 1120 x 1750 | 1177 |
| SK49X | Open type | 1910 x 730 x 1170 | 850 |
| SK49X | Silent type | 2215 x 1000 x 1550 | 950 |
| SK49X | Super silent type | 2300 x 1120 x 1750 | 1219 |
| SK49X-1P | Open type | 1910 x 730 x 1170 | 850 |
| SK49X-1P | Silent type | 2215 x 1000 x 1550 | 1100 |
| SK49X-1P | Super silent type | 2300 x 1120 x 1750 | 1314 |
Technical Specifications
| Item | Specification |
| Engine brand / model match | Kubota D1105-BG, V1505-BG, V2203-BG, V3300-BG and V3300-T-BG options according to model |
| Power range | 6-35.4kW prime power; 6.6-39kW standby power |
| Frequency options | 50Hz / 1500r/min and 60Hz / 1800r/min |
| Voltage options | 220/230/240V, 220/127V, 380/400/415V |
| Phase options | Single-phase and three-phase configurations |
| Power factor | 0.8 |
| Cooling type | Water-cooling |
| Common protection grade | IP23 |
| Insulation / temperature rise class | Class H / Class H |
| Operating conditions | ≤40°C, ≤1000m altitude, ≤60% humidity |
Note: For high ambient temperature, high altitude or high humidity environments, derating and corresponding engineering measures may be required. Final configuration should follow the official quotation and project requirements.
Control System
- LCD screen with key operation and multilingual display.
- Local and remote start functions.
- Engine and alternator parameter detection.
- Control and protection functions for safe operation.
- Event logs and parameter configuration through PC software.
- Voltage and current measurement, fuel quantity detection and low oil level alarm.
- Generator/mains circuit breaker control and upgradeable firmware.
ATS Optional
An automatic transfer system can be configured for mains/mains or mains/generator applications. The ATS controller integrates measurement, display and control functions, and can support fast on-load switching, voltage/frequency monitoring and electrical/mechanical interlocking depending on the selected configuration.
SWT Paralleling System Optional
For multi-unit projects, SWT can provide a paralleling system for genset-to-genset, genset-to-grid and paralleling-with-ATS applications. The system can synchronize multiple units automatically and adjust the number of operating units according to load demand, supporting capacity expansion and flexible project deployment.
Applications
- Small commercial buildings and retail facilities
- Workshops, farms and light industrial sites
- Telecom and communication facilities
- Temporary worksites and mobile service points
- Residential or small business backup power
- Water pumps and small municipal infrastructure
- Rental power and project-based standby power
- Emergency backup power for critical small loads
Why Choose SWT
- Complete generator set integration: engine, alternator, control cabinet, enclosure, fuel system and accessories can be configured as a complete solution.
- Flexible configuration: open, silent and super silent designs are available for different installation and noise-control requirements.
- Project-oriented engineering: voltage, phase, control, ATS, monitoring, fuel supply and enclosure options can be adapted to customer requirements.
- Factory testing: each unit is inspected and load-tested before delivery.
- System capability: SWT can provide single-unit power supply, ATS integration and multi-unit paralleling solutions.
Standard Accessories
- Engine
- Alternator
- Chassis
- Control box
- Controller for single unit
- Circuit breaker
- Industrial muffler
- Flange of muffler
- Bellow joint
- Shock absorber
- Base tank
- Test report
- Certificate of quality
- Schematic diagram
- Installation manual
- Operation manual
Optional Accessories
- Daily fuel tank / bulk fuel tank
- Residential silencer
- Power cable
- Anti-condensation heater for alternator
- Battery charger
- Water jacket heater
- Oil heater
- Fuel level sensor
- Auto oil make-up device
- Auto fuel filling device
- Soundproof enclosure
- Trailer
- Exhaust pipe
- Hot air discharge duct
- RS485 extension module
- Ethernet communication
- Cloud monitor
- ATS panel
- Motorized circuit breaker
- Synchronizing system
- Spare parts
- Deepsea / ComAp / SmartGen controller options
FAQ
What power range does this Kubota series cover?
This page covers selected SWT Kubota diesel generator sets from 6kW to 39kW standby power, with both 50Hz and 60Hz configurations.
Are single-phase models available?
Yes. Several models are available in single-phase configurations, including SK8.3-1P, SK10.6-1P, SK40-1P, SK8.8X-1P, SK16.5X-1P and SK49X-1P.
Can SWT provide a silent configuration?
Yes. Open type, silent type and super silent type configurations are available. The final enclosure design can be selected according to installation space, ventilation and noise-control requirements.
Can this generator set work with ATS?
Yes. ATS can be supplied as an optional configuration for automatic switching between mains and generator power.
Can the generator be customized for a specific project?
Yes. SWT can customize voltage, phase, control system, enclosure, fuel system, monitoring and other options according to project requirements.
