Mitsubishi Diesel Generators: V-Type Engineering from a 100-Year Heavy Industry Legacy
The Mitsubishi Difference: V-Type Expertise from a Century of Heavy Industry
While others compromise, Mitsubishi engineers solutions.
🏭 SR Series: The V-Type Powerhouse
The SR Series (S6R2/S12R/S16R) represents Mitsubishi’s non-road industrial medium-to-large engine leadership . Unlike the straight-six focus of European manufacturers, Mitsubishi’s V-configuration delivers:
Higher Power Density: More power in a compact footprint—ideal for space-constrained installations
Inherent Balance: V12 and V16 configurations provide smooth operation with minimal vibration
Proven Architecture: Decades of refinement in marine, rail, and industrial applications
Power Coverage: 500kW to 2000kW from just three engine families
⚙️ Mitsubishi’s Four-Stroke Technical Heritage
Individual Cylinder Heads:
Each cylinder has its own head—a hallmark of Mitsubishi heavy-duty design . Benefits:
Simplified maintenance—one cylinder can be serviced without disturbing others
Superior sealing—reduces head gasket failures common in multi-cylinder designs
Better cooling—individual coolant passages around each combustion chamber
High-Pressure Fuel Injection:
Mitsubishi’s unique large-capacity high-pressure injection pump (1000kg/cm²) :
Developed specifically for SR Series engines
Enables complete combustion across all load conditions
Contributes to the legendary fuel efficiency of Mitsubishi generators
Mitsubishi Turbocharging:
In-house designed and manufactured turbochargers :
Optimized blade geometry for maximum efficiency
High-strength materials enable higher pressure ratios
Twin scroll design reduces friction and improves response
🔧 Global Manufacturing, Consistent Quality
The SR Series is produced in three locations worldwide :
Japan (Mitsubishi Heavy Industries): Primary design authority, highest power variants
France (MHI France): Serving European markets with local support
China (SME Joint Venture): Full technical license manufacturing for Chinese and Asian markets
Result: Same Mitsubishi engineering, same quality standards, same performance—wherever it’s made.
The Mitsubishi SR Series: Three Families, One Engineering Philosophy
Each designed for specific power needs, all sharing Mitsubishi's V-type DNA.
🔹 S6R2 Series | 540-660kW | The Compact Six
| Model | Prime Power | Engine Model | Cylinders | Displacement | Key Application |
|---|---|---|---|---|---|
| S6R2-PTA-C | 540kW | S6R2-PTA-C | 6L | 29.96L | Telecom, industrial |
| S6R2-PTAA-C | 600kW | S6R2-PTAA-C | 6L | 29.96L | Manufacturing, commercial |
Technical Highlights :
V-6 Configuration: Mitsubishi’s smallest V-type, perfect for 500-600kW range
Bore x Stroke: 170mm x 220mm—long stroke design for maximum torque
Oil Capacity: 100L—ample lubrication for continuous duty
Weight: ~5,000-5,750kg—substantial mass for vibration dampening
Best for: Space-constrained industrial sites, telecom infrastructure, commercial complexes
🔹 S12R Series | 1000-1200kW | The V12 Workhorse
| Model | Prime Power | Engine Model | Cylinders | Displacement | Key Application |
|---|---|---|---|---|---|
| S12R-PTA-C | 1000kW | S12R-PTA-C | 12V | 49.03L | Data centers, hospitals |
| S12R-PTA2-C | 1100kW | S12R-PTA2-C | 12V | 49.03L | Industrial parks |
| S12R-PTAA2-C | 1200kW | S12R-PTAA2-C | 12V | 49.03L | Mining, prime power |
Technical Highlights :
60° V12 Configuration: Perfectly balanced for smooth 1500rpm operation
Bore x Stroke: 170mm x 180mm—optimized for 1500/1800rpm generator applications
Displacement: 49.03L—substantial capacity for 1000-1200kW output
Turbocharging Options: PTA (single turbo), PTAA2 (dual-stage) for different power needs
Proven Applications: Marine propulsion, data centers, industrial prime power
Weight: ~9,000-10,000kg—solid foundation for continuous duty
Best for: Regional data centers, large hospitals, industrial parks, marine auxiliary power
🔹 S16R Series | 1360-1600kW | The Flagship Sixteen
| Model | Prime Power | Engine Model | Cylinders | Displacement | Key Application |
|---|---|---|---|---|---|
| S16R-PTA-C | 1360kW | S16R-PTA-C | 16V | 65.37L | Hyperscale data centers |
| S16R-PTA2-C | 1500kW | S16R-PTA2-C | 16V | 65.37L | Large mining operations |
| S16R-PTAA2-C | 1600kW | S16R-PTAA2-C | 16V | 65.37L | Utility power plants |
| S16R2-PTAW-C | 1850kW | S16R2-PTAW-C | 16V | 88.0L | Mega projects |
Technical Highlights :
V16 Configuration: Ultimate power density in the SR Series
Bore x Stroke Options: 170x180mm (S16R) or 170x220mm (S16R2)—flexibility for different duty cycles
Data Center Continuous Power: MGS2500B-DC rated for 100% continuous data center load
High-Voltage Ready: Available with 6.6kV direct output for large facilities
Weight: 11,000-17,500kg—built for the most demanding applications
Best for: Hyperscale data centers, large-scale mining, utility power plants, mega industrial projects
Find Your Mitsubishi: Match Power to Application
From telecom towers to hyperscale data centers—Mitsubishi has a V-type solution for your exact needs.
🔹 540-600kW | Telecom & Commercial
S6R2 Series
Typical Applications:
Telecom base stations (prime/backup)
Medium commercial complexes
Manufacturing facilities
Infrastructure projects
Why Mitsubishi:
Compact V6 design saves engine room space
Long-stroke design delivers abundant low-speed torque
SME joint venture manufacturing offers competitive value
🔹 1000-1200kW | Data Centers & Healthcare
S12R Series
Typical Applications:
Regional data centers
Large hospitals
Airport terminals
Industrial parks
Why Mitsubishi:
49L V12 displacement delivers exceptional power density
Individual cylinder heads simplify maintenance
Proven reliability in data centers worldwide
🔹 1360-1600kW | Mining & Utility
S16R Series
Typical Applications:
Large-scale mining operations
Hyperscale data centers
Utility power plants
Marine & offshore engineering
Why Mitsubishi:
V16 flagship configuration with 65-88L displacement
Optional 6.6kV high-voltage output—eliminates step-up transformers
Data Center Continuous Power (DCCP) certified
Complete customized solution for Mitsubishi generator sets (optional)
Customize your generator set based on your load, usage scenario, and requirements
Mitsubishi in Action: A Century of Heavy Industry, Proven Worldwide
Real projects where Mitsubishi's V-type power delivers 24/7 reliability
🇯🇵 Japan | Shinkansen Rail System
Application: Backup power for high-speed rail infrastructure
Equipment: Multiple S12R-PTA generator sets
Significance: The ultimate reliability test—Japan’s rail network tolerates zero downtime
🇨🇳 China | SME Joint Venture Manufacturing
Application: Local production for Chinese and Asian markets
Equipment: Full SR Series manufactured under license in Shanghai
Significance: Japanese quality + Chinese manufacturing efficiency
🇫🇷 France | MHI France Production
Application: Serving European industrial and marine markets
Equipment: SR Series assembled in France for European customers
Significance: Global manufacturing, consistent quality
🇦🇪 UAE | Middle East Oil & Gas
Application: Prime power for remote oilfield operations
Equipment: 1500kW S16R-PTA2 generator sets with 50°C radiators
Significance: Proven in the world’s most demanding desert environments
🇮🇩 Indonesia | Mining Operations
Application: 24/7 power for nickel mining
Equipment: 1200kW S12R-PTAA2 generator sets
Significance: 10,000+ operating hours, 0 unscheduled downtime
Technical Tools: Size Your Mitsubishi Genset with Confidence
Not sure which SR Series model fits your load? Use our free engineering tools to calculate power requirements and fuel costs—before you buy.
⚡ Power Sizing Tool
➡️ Enter your requirements → instant model recommendation (S6R2/S12R/S16R)
➡️ Get detailed specification sheet with all technical parameters
🔗 [Launch Power Sizing Tool →]
⛽ Fuel Consumption Calculator
➡️ Select Mitsubishi model and load percentage
➡️ Hourly/daily/yearly fuel cost – calculated instantly
➡️ Compare fuel efficiency across SR Series models
🔗 [Launch Fuel Calculator →]
Ready-to-Ship Mitsubishi Generators
Need immediate delivery or a budget reference? These are our most popular Mitsubishi configurations — fully specified, transparently priced, and ready for fast shipment.
For projects requiring custom engine models, alternator brands, controllers, or special enclosures,
please [contact us directly].
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