DIESEL POWER. BUILT FOR RELIABILITY.
125–375 kVA
Diesel Generator Sets
Industrial diesel generator sets engineered for dependable performance, fuel efficiency and demanding operating conditions.
- 125–375 kVA / 100–300 kW prime power range
- 50 / 60 Hz configurations available
- Open, sound-attenuated and trailer-mounted options
- Multiple engine, alternator and voltage choices
WHY SEER POWER
Built for
Real-World Power
Application-Matched Engineering
Verified Factory Testing
Coordinated Global Delivery
24/7 Technical Support
Explore Other Generator Series
Discover more diesel generator options matched to different power ranges, configurations and project needs.
Product Specifications
Download engine specificationsMore engine brands for this power range · XLSX
| Model | Prime Power (kW / kVA) | Standby Power (kW / kVA) | Engine | Engine Model | Alternator | Frequency (Hz) | Voltage (V) | Open Type (L × W × H) (mm) | Open Type Weight (kg) | Silent Type (L × W × H) (mm) | Silent Type Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| SP-120WC | 120 / 150 | 132 / 165 | Weichai | WP6D152E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 2475 × 950 × 1600 | 1599 | (2520 + 650) × 1130 × 1300 | 1830 |
| SP-160WC | 160 / 200 | 176 / 220 | Weichai | WP10D200E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 2999 × 1167 × 1780 | 2140 | (3050 + 550) × 1200 × 1970 | 2800 |
| SP-184WC | 180 / 225 | 200 / 250 | Weichai | WP10D238E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 2999 × 1167 × 1780 | 2260 | (3050 + 550) × 1200 × 1970 | 2800 |
| SP-200WC | 200 / 250 | 220 / 275 | Weichai | WP10D264E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 2999 × 1167 × 1780 | 2280 | (3050 + 550) × 1200 × 1970 | 2800 |
| SP-250WC | 250 / 312.5 | 280 / 350 | Weichai | WP10D320E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 2999 × 1200 × 1690 | 2480 | (3050 + 550) × 1200 × 1970 | 2800 |
| SP-300WC | 300 / 375 | 330 / 412.5 | Weichai | WP12D353E200 | Leroy-Somer / SEER POWER | 50 / 60 | 220 / 230 / 380 / 400 / 415 / 440 / 480 | 3000 × 1100 × 1670 | (3250 + 650) × 1300 × 2100 | 3050 |
Weichai engines and Leroy-Somer or SEER POWER alternators are shown as examples in this table. Other engine and alternator brands are available. Frequency, voltage and component selection can be customized for each project. Blank Open Type fields indicate that data is not available for the listed model.
Swipe horizontally to view all specifications.
GENERATOR SYSTEM
Standard Configuration
CURRENT SELECTIONDiesel Engine / Cummins
Brand Overview
Cummins G-Drive engines are purpose-built for generator applications. The range includes engine families for standby and prime-power duties, with the selected series determining the cooling, fuel system and controls.
G-Drive integration
Cummins describes model-specific cooling, air-cleaner and service components within its G-Drive engine packages.
Project selection
The final engine rating, control interface and installation details are checked against the project load and destination.
Product Features
Proven reliability & durability
High power with strong torque
Optimized fuel efficiency
Global service network
Brand Overview
Perkins Electric Power engines cover generator-set applications from compact standby packages to larger industrial systems. Certified or fuel-optimised variants and electronic features vary by series.
Electric Power portfolio
Perkins presents a modular electric-power range with model-specific ratings, controls and service requirements.
Series boundary
Load acceptance, high power density and remote monitoring are used here only where the selected Perkins series documentation supports them.
Product Features
Electric Power engine range
Certified variants by market and series
Fuel-optimised variants by model
Electronic management on selected series
Brand Overview
Volvo Penta power-generation engines are designed for standby and prime duties where load acceptance, compact integration and service access matter. This site limits the approved application range to 50 to 500 kW.
Power-generation range
Volvo Penta describes power-generation engines with attention to efficiency, low noise, reliability and ease of service.
D8 series reference
Replaceable liners, piston cooling and accessible service points are specific to documented D8 configurations and are not applied to every model.
Product Features
- Power-generation engine range
Load acceptance for generator duty
Compact installation on selected platforms- Low fuel consumption on selected models
Brand Overview
Weichai offers industrial power engines for backup, continuous and project-based generator applications. The selected platform determines the controls, cooling and service arrangement.
Industrial power platforms
Weichai lists industrial power engines by series, output and application rather than as one universal specification.
Package coordination
SEER POWER coordinates the engine, alternator, controller and enclosure around the confirmed duty and installation conditions.
Product Features
- Industrial power engine series
Backup and continuous-duty options by model- Mechanical or electronic control by series
- Cooling and service layout reviewed together
Brand Overview
SDEC publishes engine series for generator-set and industrial power applications. The control system, operating speed, cooling arrangement and rating depend on the selected series.
Series selection
SDEC generator-drive families are reviewed by operating speed, duty and the requirements of the destination market.
Configuration check
SEER POWER confirms the exact SDEC model and documentation before it is paired with the alternator, controller and enclosure.
Product Features
- Generator-drive engine series
- Mechanical or electronic control by model
Operating speed matched to frequency- Cooling package selected by series
Brand Overview
Baudouin PowerKit engines are developed for standby, prime and continuous-power generator applications. The applicable model, rating basis and cooling arrangement are confirmed for each project.
PowerKit platform
Baudouin presents PowerKit engine products for generator applications, with model-specific ratings and integration details.
Selected-series detail
High-pressure common rail, ECU control and air-to-air cooling are treated as selected-series details, not blanket claims for every PowerKit engine.
Product Features
- PowerKit generator-drive range
- Standby, prime and continuous options
- High-pressure common rail on selected series
- ECU control on selected series
Brand Overview
Yuchai publishes engine products and generator-drive series for power-generation applications. Fuel system, controls, rating and service layout vary with the selected model.
Generator-drive range
Yuchai engine selection is made by generator duty, operating speed and the output required by the project.
Model review
The final data sheet, cooling arrangement and service access are checked before the package is released.
Product Features
- Dedicated generator-drive series
- Electronic control on selected models
- Generator-duty load response by series
- Cooling arrangement matched to the model
Brand Overview
Ricardo engine options are considered for generator projects within the approved 24 to 400 kW site range. The exact manufacturer, model, rating and supporting documentation must be verified for each quotation.
Generator-power reference
Ricardo identifies engine products for land-generator and power-output applications, with the product page defining the documented model scope.
Evidence boundary
The approved SEER POWER range and final supply status remain subject to model-level confirmation before publication or quotation.
Product Features
- Generator-power engine options
- Land-generator application reference
- Model-specific speed and rating
- Cooling arrangement verified by model
Brand Overview
STAMFORD industrial alternators cover generator-set applications with model-specific windings, voltage and bearing configurations. AVR and excitation choices depend on the selected series.
Excitation choices
STAMFORD documents brushless alternators with self-excited and PMG-supported AVR arrangements on selected systems.
Model selection
Frame, winding, voltage, coupling and AVR are checked against the engine and the confirmed load profile.
Product Features
Brushless industrial alternator construction
PMG excitation on selected AVR systems- Three-phase sensing on selected AVRs
- Model-specific winding and voltage
Brand Overview
Leroy-Somer alternators include industrial low-voltage ranges for standard and demanding generator applications. Excitation and AVR arrangements are selected by model.
Excitation systems
Leroy-Somer documentation describes AREP, AREP+ and PMG excitation arrangements on selected alternators.
Package matching
The alternator frame, winding, voltage, excitation system and coupling are matched to the confirmed generator package.
Product Features
- Industrial low-voltage alternator range
- AREP and AREP+ excitation options
- PMG excitation on selected models
- Application-specific AVR choices
Brand Overview
Marathon Electric alternators provide industrial brushless configurations with model-specific excitation, insulation and winding options. The exact frame and regulator are confirmed before production.
MagnaPlus range
Marathon documents MagnaPlus alternators with brushless construction, optional PMG, Class H insulation and reconnectable winding choices on selected models.
Application detail
The selected frame, AVR, voltage, pole configuration and load-response requirements are recorded in the project specification.
Product Features
- Brushless MagnaPlus alternators
- Optional PMG on selected models
Class H insulation on selected models
12-lead reconnectable options
Brand Overview
SEER POWER alternator configurations are factory-coordinated options for standard generator packages. The technical record identifies the selected voltage, winding, AVR, insulation and mechanical interface.
Configuration record
The alternator option is described through the project specification rather than a single universal model claim.
Evidence boundary
Availability, rating and factory test scope are confirmed in the quotation and supporting technical documents for each order.
Product Features
- Voltage recorded in the project specification
- Winding selected for the application
- AVR selected for the load profile
- Insulation class recorded per order
Brand Overview
Deep Sea Electronics provides generator controllers for manual or automatic start, mains-failure and advanced generator-control applications. Sensing, protection, I/O and communications depend on the selected module.
Controller functions
DSE modules combine generator and utility sensing with alarms, protection and configurable inputs and outputs.
Interface selection
The model, engine interface, monitoring points and communications are selected from the approved control narrative.
Product Features
Manual and automatic start modes- Utility sensing for mains-failure control
Engine alarms and shutdown protection- Configurable inputs and outputs
Brand Overview
ComAp InteliLite and related controllers support single-generator standby and prime-power applications with AMF, manual and remote-start operation. Model and accessory functions vary across the family.
Operating modes
ComAp positions InteliLite and related controllers for manual, automatic, AMF and remote generator operation.
Control narrative
The selected model, I/O list, transfer logic and communications are checked against the approved project sequence.
Product Features
- AMF and manual-start modes
- Generator monitoring and protection
Remote operation options by model- Configurable control logic
Brand Overview
SmartGen HGM-series controllers cover generator start, monitoring, protection and automatic mains-failure applications. Display, sensing, communications and expansion functions vary by model.
HGM controller family
SmartGen documents HGM controllers with automatic mains-failure, remote start and stop, monitoring and protection functions.
Model detail
USB, RS485, expansion I/O and display functions are checked against the selected SmartGen model.
Product Features
- Automatic mains-failure operation
- Remote start and stop
- Alarm and shutdown protection
- Electrical data monitoring
Brand Overview
Fortrust controllers provide generator start, stop, monitoring and protection functions for standard control panels. Measurements, communications and configurable functions depend on the selected model.
Generator control
Fortrust product materials describe automatic mains-failure, utility detection and transfer functions on selected controller families.
System scope
Paralleling, grid connection and cloud monitoring are treated as selected-system functions that require model-level confirmation.
Product Features
- Automatic mains-failure control
- Utility detection and transfer functions
- Generator monitoring and protection
- Configurable control functions by model
Brand Overview
SEER POWER circuit-breaker configurations are coordinated with the generator output and the project distribution system. The selected frame, pole arrangement, trip functions and accessories remain quotation-confirmed.
Project coordination
The breaker frame, rating and protection arrangement are checked against the selected generator output and distribution design.
Protection record
Pole count, trip settings, isolation and accessory scope are recorded for the confirmed project configuration.
Product Features
- Generator-output protection coordinated
- Frame and rating confirmed per project
Pole arrangement selected for the distribution
Trip functions specified for the circuit
Brand Overview
The SEER POWER base frame supports the selected generator package. Frame dimensions, mounting points and service clearances are confirmed for each project.
Package integration
Service access
Product Features
- Package dimensions confirmed
- Mounting and anti-vibration points planned
Service access planned- Lifting access included in the layout
Brand Overview
The Starting Battery System is included as a standard SEER POWER configuration item. The final starting arrangement is matched to the selected generator model and recorded in the project configuration.
Starting arrangement
The selected starting arrangement is recorded against the engine model in the project configuration.
Service access
Tray position, terminal protection and cable routing are checked during package review.
Product Features
- Engine-matched starting arrangement
- Capacity and quantity recorded by model
- Secured tray with protected terminals
- Service-accessible cable routing
Brand Overview
SEER POWER sound-attenuated enclosure options are coordinated with the generator package, airflow, service access and confirmed site brief. Acoustic treatment, finish and dimensions remain project-confirmed.
Acoustic and airflow review
Attenuation materials, ventilation openings and hot-air discharge are coordinated with the selected generator set.
Service access
Doors, lifting access, finish and clearances are checked against routine maintenance and the installation site.
Product Features
Acoustic treatment matched to the target
Weather protection for the installation
Service doors for routine maintenance
Ventilation sized to the generator set
Optional Configurations
Custom Sound-Attenuated Enclosure
An upgrade to the standard enclosure, with acoustic treatment, airflow, access or finish adapted to the confirmed site brief.
Trailer-Mounted
Mobile power package for temporary projects and changing job sites.
Parallel / ATS
Scalable power with synchronization and automatic transfer control.
Containerized
Containerized enclosure for weather protection and site installation.
Voltage Options
Voltage configurations tailored to distribution and application requirements.
Main Applications for 125–375 kVA Industrial Diesel Generators
This range is commonly reviewed for medium commercial, telecom and industrial loads. Final selection follows motor starting, duty and site conditions.
Commercial and retailStandby power for supermarkets, medium retail centers and multi-tenant commercial buildings.
Medium commercial standby setTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitSupermarkets, larger restaurants and mixed commercial loads.
Selection focusReview refrigeration, lifts, fire systems, transfer strategy and the acoustic brief together.
Mixed loads
Transfer
Refrigeration
Acoustics
Telecom base stationPower support for telecom hubs, larger equipment rooms or grouped site services.
Telecom hub generatorTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitTransmission rooms, network hubs and multi-load base stations.
Selection focusConfirm cooling, battery charging, fuel autonomy, monitoring and maintenance clearance.
Cooling load
Battery charging
Monitoring
Autonomy
Construction siteTemporary power for medium project sites with several plant and service loads.
Medium-duty site generatorTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitHoists, compressors, pumps, temporary buildings and site distribution.
Selection focusBuild a staged load list and check motor starting, distribution, mobility and daily duty.
Staged loads
Motor start
Distribution
Daily duty
Factory and workshopStandby or prime support for machining, several motors and selected production lines.
Industrial workshop generatorTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitMedium workshops, process auxiliaries and production-line support.
Selection focusReview simultaneous motor starts, load priority, transfer logic and power quality.
Motor groupsLoad priority
Power qualityTransfer
Agriculture and irrigationPower for multiple pumps, cold rooms or small agricultural processing facilities.
Agricultural process generatorTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitIrrigation groups, produce storage and small processing lines.
Selection focusConfirm pump sequence, refrigeration load, operating cycle and site environment.
Pump sequenceCold storageOperating cycle
Environment
Office buildingStandby power for mid-rise offices and shared building systems.
Commercial building standby setTypical applications for this power range, subject to the confirmed load and project requirements.
Typical application fitLifts, water pumps, fire systems, IT and tenant essential circuits.
Selection focusCoordinate load priority, ATS sequencing, installation layout and noise requirements.
Load priorityATS sequence
Building layoutNoise targetFREQUENTLY ASKED QUESTIONS
The engine, alternator, voltage, frequency, enclosure, fuel tank, controller, ATS, parallel system, trailer, color and branding can be configured for the project and destination market.
Delivery time depends on the power rating and final configuration. Production is scheduled after technical confirmation. Customized projects may need additional engineering and production time. The quotation states the confirmed lead time.
We provide installation drawings, wiring diagrams, commissioning guidance, remote technical assistance and maintenance recommendations. On-site support can be arranged according to the project location and service scope.
Available documents include technical datasheets, general arrangement drawings, wiring diagrams, operation manuals, factory test reports, packing lists and applicable certification documents. The final document package is confirmed for each project.
Review ventilation, noise requirements, installation space and access for routine servicing. Confirm these conditions before finalizing the enclosure.
Read the guide: Enclosure airflow and service access
Use the equipment manufacturer’s instructions and the operating conditions to plan checks. Keep records of inspections, running hours, servicing and any issues that need follow-up.
Read the guide: Standby generator maintenance: plan and records
TESTED. TRUSTED. DELIVERED.
Factory testingDocumented inspection and test procedures
Load bank testingTest scope matched to the project
Coordinated deliveryPackaging and documentation confirmed before shipment
24/7 Technical SupportRemote assistance for commissioning and operation