MTU Series 4000 Diesel Generators
The MTU Series 4000 (Rolls-Royce) is a benchmark large diesel generator platform standardized by many hyperscalers, covering roughly 1125 to 3250 kWe (to about 4000 kVA). Built around the legendary 4000-series engine with a permanent-magnet generator, it offers fuel efficiency, 100% load acceptance per NFPA 110, and HVO and GtL fuel capability. Comp-Utility specs, installs, and services MTU Series 4000 generators across Central Texas.
What We Provide
Our Capabilities
Generator Sizing and Spec
We size and specify Series 4000 units and paralleled arrays for large and hyperscale data centers.
Learn moreInstallation and Commissioning
We install, integrate switchgear and ATS, and prove the array with integrated systems testing.
Learn moreMaintenance and Testing
We maintain and load-bank test Series 4000 units so large arrays perform reliably.
Learn moreHyperscale Benchmark
Fuel-Efficient Large Diesel Standardized by Hyperscalers
The MTU Series 4000 is a benchmark in large data center standby power, valued for fuel efficiency, long service intervals, and strong load acceptance, with many hyperscalers standardizing on it.
Available with LV and MV alternators and HVO/GtL fuel capability, it suits large N+1 arrays. Comp-Utility sizes, installs, commissions, and maintains Series 4000 systems and their switchgear.
Key Specifications
| Attribute | MTU Series 4000 |
|---|---|
| Type | Diesel standby generator (mission-critical) |
| Power rating | ~1125 to 3250 kWe (to ~4000 kVA) |
| Engine | 16V/20V 4000 series, permanent-magnet generator |
| Voltage | 480V to MV (LV/MV alternators) |
| Load acceptance | 100% load (NFPA 110) |
| Fuel | Diesel, HVO/GtL-capable |
| Typical applications | Hyperscale and large data centers, hospitals, airports |
Specifications reflect the MTU Series 4000 platform; exact ratings, models, and options vary. Contact us to confirm the current configuration for your project.
The Comp-Utility Difference
Why Comp-Utility?
Long-Standing Distribution Partner
As a long-standing distribution partner of Eaton, Schneider Electric, and Vertiv, we specify best-in-class systems and back them with factory-grade service.
Engineer-Owned and Operated
Comp-Utility is owned and operated by engineers, with licensed Texas Professional Engineers (P.E.) on staff. That rigor anchors every design, specification, and installation.
24/7 Emergency Response and Preventative Maintenance
Our technicians provide preventative maintenance programs and 24/7 emergency response, with rapid on-site dispatch across Central Texas when facilities need us most.
Turnkey, Single-Contract Partner
We sell, design, install, and maintain complete infrastructure end to end. One accountable team and one contract for power, cooling, distribution, and cabling.
Licensed, Certified & Recognized
We hold ourselves to the standards of the institutions we serve, from professional licensure and jobsite safety to the industry organizations that set the bar for mission-critical work.
Licensed Professional Engineers
State of Texas (TBPE)
OSHA 30 Certified
Field Technicians
AFCOM Member
Data center industry association
7x24 Exchange Member
Mission-critical infrastructure
Frequently Asked Questions
What is the MTU Series 4000?
The MTU Series 4000, from Rolls-Royce, is a large diesel generator platform covering roughly 1125 to 3250 kWe (to about 4000 kVA), built around the well-regarded 4000-series engine. It is a benchmark for large data center standby power, valued for fuel efficiency, reliability, and strong load acceptance, and many hyperscalers have standardized on it.
Why have hyperscalers standardized on the Series 4000?
Hyperscalers value the Series 4000 for its fuel efficiency, durability, long service intervals, and dependable load acceptance, which lower operating cost and risk across very large generator fleets. Standardizing on one proven platform also simplifies parts, service, and operations. These factors have made it a default choice for many large data center programs.
Can the Series 4000 accept full load in one step?
Yes. The Series 4000 is rated to accept 100% load per NFPA 110 in appropriate configurations, meaning it can pick up the full critical load quickly when utility power fails. Comp-Utility verifies load acceptance through commissioning and load bank testing to confirm the unit performs as required.
Does the Series 4000 support renewable fuels?
Yes. The Series 4000 is capable of running on HVO (hydrotreated vegetable oil) and GtL (gas-to-liquid) fuels, supporting lower-lifecycle-emission operation where desired. Comp-Utility specifies the fuel and emissions configuration appropriate to your goals and to Texas air-quality permitting.
Is it available with medium-voltage alternators?
Yes. The Series 4000 is available with low-voltage and medium-voltage alternators, allowing direct MV connection for large campuses that distribute at medium voltage. Comp-Utility specifies the alternator voltage to match your distribution design and coordinates with the MV switchgear and intake.
Can Series 4000 units be paralleled?
Yes. Series 4000 units are designed to parallel into large, redundant arrays for capacity and availability. Comp-Utility designs and integrates the paralleling switchgear and controls and verifies load sharing and transfer through integrated systems testing before the array carries critical load.
What maintenance does the Series 4000 require?
It requires regular oil, filter, and coolant service, fuel system and fuel quality management, starting battery testing, controls verification, exercising, and periodic load bank testing, with NFPA 110 expectations for life-safety systems. The platform's long service intervals help, but disciplined maintenance remains essential. Comp-Utility provides a tailored maintenance and testing program.
Who installs and services MTU Series 4000 generators in Central Texas?
Comp-Utility specs, installs, commissions, and maintains MTU Series 4000 generators and the supporting switchgear and ATS across Central Texas, including load bank and transfer testing and 24/7 emergency response. Call (512) 346-0999 or email sales@comp-utility.com.