Quiet, commercial-grade diesel power built around legendary Yanmar reliability.
The 15kW Yanmar Diesel Generator (Silent) from ASE Power delivers dependable backup and standby power for residential, commercial, agricultural, and light industrial applications. Powered by the proven Yanmar 4TNV88-GGE water-cooled diesel engine, equipped with a Stamford brushless alternator, and managed by the DSE GenSet 6110 digital controller, this generator is built for buyers who want long-term durability, quiet performance, and dependable power when it matters most.
With 15,000 running watts, 18,000 peak watts, a sound-insulated IP65 enclosure, and available 38-gallon or 105-gallon fuel tank options, this enclosed diesel generator is a strong fit for backup power, remote operations, pump systems, homes, offices, and essential equipment protection.
Key Features
- 15kW running power / 18kW peak power for dependable standby and backup applications.
- Yanmar 4TNV88-GGE diesel engine known for reliability, fuel efficiency, and long service life.
- 1800 RPM operation for stable 60 Hz power generation.
- Stamford brushless 4-pole alternator for dependable, low-maintenance power output.
- DSE GenSet 6110 digital controller for monitoring, protection, and automatic switching support.
- IP65 sound-insulated enclosure for quieter operation and outdoor weather resistance.
- Approx. 69 dB at 7 meters for quieter performance than open-frame generator systems.
- Single-phase and three-phase voltage options for a wide range of installations.
- 38-gallon standard or 105-gallon extended runtime tank depending on your application needs.
- ATS available for automatic transfer switch integration.
- Click-Lease financing available to support easier purchasing.
Why This 15kW Yanmar Diesel Generator Stands Out
Buyers comparing a 15kW diesel generator are usually looking at more than just wattage. They want to know the engine platform, enclosure quality, runtime, controller, and whether the unit is actually built for long-term use. This generator stands out because it combines a trusted Yanmar diesel engine, a Stamford alternator, and a heavy-duty silent enclosure in one practical package.
If you need a quiet enclosed diesel generator that offers dependable backup power, low operating noise, strong build quality, and commercial-grade components, this model is a strong option for both residential and business use.
Technical Specifications
| Rated Output | 15,000 running watts / 18,000 peak watts |
| Power Rating | 15 kW / approximately 20 kVA @ 60 Hz |
| Engine Brand | Yanmar Diesel Engine |
| Engine Model | 4TNV88-GGE |
| Engine Type | 4-cycle, inline, water-cooled diesel |
| Cylinders | 4-cylinder |
| Bore x Stroke | 88 x 90 mm |
| Displacement | 2.19 L |
| Combustion System | Direct Injection |
| Compression Ratio | 19:1 |
| Engine Speed | 1800 RPM |
| Cooling System | Water-cooled |
| Voltage Options | 110/240V single-phase • 120/208V • 120/240V • 277/480V three-phase |
| Controller | DSE GenSet 6110 Digital Controller |
| Alternator | Stamford Brushless, 4-Pole |
| Noise Level | Approximately 69 dB @ 7 meters |
| Enclosure Rating | IP65 compliant sound-insulated enclosure |
| Fuel Consumption | 0.98 gal/hr at 100% load |
| Fuel Tank Options | 38 gallon standard / 105 gallon optional |
| Dimensions | Approx. 71" x 41" x 50" |
| Weight | Approx. 1,700 lbs |
| Lead Time | 90-120 days |
| Warranty | 2 Years / 2000 Hours on Parts |
Fuel Consumption & Estimated Runtime
The fuel consumption figures below are estimated using a general diesel generator load curve and anchored to the manufacturer-provided full-load fuel consumption of 0.98 gal/hr at 100% load. Actual fuel usage will vary based on site conditions, configuration, and load profile.
| Load | Estimated Fuel Use | 38 Gallon Tank | 105 Gallon Tank |
|---|---|---|---|
| 25% | 0.37 gal/hr | Approx. 102.7 hrs | Approx. 283.8 hrs |
| 50% | 0.55 gal/hr | Approx. 69.1 hrs | Approx. 190.9 hrs |
| 75% | 0.80 gal/hr | Approx. 47.5 hrs | Approx. 131.3 hrs |
| 100% | 0.98 gal/hr | Approx. 38.8 hrs | Approx. 107.1 hrs |
Built for Quiet, Long-Term Outdoor Performance
This generator is designed for buyers who care about long-term value, not just a low upfront price. The IP65 compliant silent enclosure helps reduce noise while protecting the generator from outdoor conditions, making it a strong fit where durability and quieter operation both matter.
Combined with Yanmar’s reputation for engine quality and the dependable Stamford alternator platform, this generator is well suited for long-term backup and standby applications across residential and commercial environments.
What Can a 15kW Yanmar Diesel Generator Power?
A 15kW diesel generator is often a strong fit for whole-home backup in many smaller homes, essential circuits in larger homes, office standby systems, farms, pump equipment, construction support, refrigeration support, workshops, and other important loads. Actual generator sizing depends on startup surge, voltage, phase, and which loads need to run at the same time.
If you are unsure whether this model is the right size or configuration, ASE Power can help confirm the best setup before you buy.
Shipping, Delivery, Lead Time & Financing
Lead Time: 90-120 days
Shipping: Free shipping is available for homeowners in the lower 48 states. Shipping costs may apply for non-home or commercial use.
Delivery Requirement: A forklift is required at the delivery site unless you arrange pickup from a warehouse near your location.
Financing: Click-Lease financing available.
Common Applications
- Residential backup power during outages
- Commercial and office standby systems
- Light industrial and construction sites
- Remote operations and mobile support power
- Farm, pump, and water management systems
- Essential equipment backup
Quality, Compliance & Warranty
ISO 9001 certified manufacturing supports documented quality control and production consistency.
ISO 17025 certified laboratory standards support competent and consistent testing practices.
ISO 8528 defines recognized generator-set classifications for rating, performance, and application across standby, peak-load, and continuous-use environments.
UL 2200 approved for safe generator operation.
EPA Tier 4 compliant for reduced emissions performance.
Warranty: 2 Years / 2000 Hours on parts. Every unit is tested before shipping.
Frequently Asked Questions
What engine does this 15kW diesel generator use?
This generator uses the Yanmar 4TNV88-GGE water-cooled diesel engine.
Is this a quiet diesel generator?
Yes. This model uses a sound-insulated IP65 compliant enclosure and operates at approximately 69 dB at 7 meters.
What controller does this generator use?
It includes the DSE GenSet 6110 digital controller for intelligent monitoring and automatic switching support.
What voltage and phase options are available?
Available options include 110/240V single-phase and 120/208V, 120/240V, and 277/480V three-phase configurations.
What fuel tank sizes are available?
This model is available with a 38-gallon standard tank or a 105-gallon extended runtime tank.
What is fuel consumption at full load?
Fuel consumption is approximately 0.98 gallons per hour at 100% load.
Is an automatic transfer switch available?
Yes. ATS options are available for this generator.
What is the lead time?
Typical lead time is 90-120 days depending on configuration and production schedule.
What warranty comes with this generator?
This generator includes a 2-year / 2000-hour parts warranty, and every unit is tested before shipping.