Generac · SD/MD Series (Industrial Diesel)

Generac SD1750/MD1750

1750 kW standby · Diesel · Liquid-cooled

1750 kW diesel industrial standby generator. Mitsubishi 65.4L V16 turbocharged/intercooled, EPA Tier 2 Certified Stationary Emergency.

Generac Generac SD1750/MD1750 generator — specifications and details
Standby power
1750 kW
Voltage options
277/480V, 346/600V
Frequency / Phase
60 Hz · 3-phase
Engine
Mitsubishi 65.4L · 65.4L
EPA / Emissions
Tier 2
Alternator
Generac
CommercialManufacturingHealthcareData Centers
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Overview#

The Generac SD1750/MD1750 is a 1,750-kilowatt industrial diesel generator powered by a Mitsubishi S16R 65.4-liter V16 turbocharged and intercooled diesel engine. This unit is EPA Tier 2 Certified for Stationary Emergency applications and sits between the SD1500 and SD2000 in Generac's industrial diesel lineup. The SD and MD designations represent different enclosure and configuration options on the same power platform. The Mitsubishi S16R V16 engine has a proven track record in heavy-duty power generation applications worldwide.

Our Service Experience#

The SDMD1750 shares the Mitsubishi S16R V16 platform with the SD1500 and SD2000, which means common parts inventory and technician familiarity across the lineup. At this power level, the unit is typically specified for large data center campuses, major hospital complexes, and heavy industrial facilities. The V16 configuration requires adequate clearance for service access to the rear cylinders. We recommend comprehensive service contracts with guaranteed emergency response times for facilities relying on units at this scale.

Engineering specifications

Fuel system & runtime

Fuel use @ full load
122.5 GPH
Fuel use @ 75% load
91.9 GPH
Fuel use @ 50% load
61.3 GPH

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Estimate runtime for the Generac SD1750/MD1750

Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.

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Estimated runtime

2.1 hours(0.1 days)

Fuel consumption ≈ 94.50 GPH at 75% load. Estimate based on industry-typical 1800 RPM standby curves (≈0.07 GPH/kW at full load). Actual consumption varies by engine, ambient temperature, fuel quality, and tuning.

Service intervals

Manufacturer-recommended intervals for the Generac SD1750/MD1750 under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter
Every 500 hours or 12 months
Coolant change
Every 4000 hours
Air filter
Every 1000 hours
Fuel filter
Every 500 hours
Load bank test
Every 12 months

Common failure modes

What we've seen fail on this platform. Use as a service-planning reference, not a diagnostic — actual failure modes depend heavily on duty cycle and maintenance history.

ComponentSymptomTypical hoursSeverity
Fuel quality / degradationHard starting, injector fouling, filter clogging, reduced power output4,380+moderate
TurbochargerPower loss, excessive smoke under load, oil consumption15,000+moderate
High pressure common rail injection systemRough running, misfiring cylinders, fuel rail pressure faults20,000+severe
Battery (24 VDC system)Failed to start, slow cranking8,760+minor

Frequently Asked Questions

What engine does the Generac SDMD1750 use?
The SDMD1750 uses a Mitsubishi S16R 65.4-liter V16 turbocharged and intercooled diesel engine running at 1800 RPM. This is the same engine family used in the SD1500 and SD2000, rated at approximately 2,631 horsepower at 1750 kW standby output. The engine features a 6.69-inch bore, 7.09-inch stroke, and 14.0:1 compression ratio. It is EPA Tier 2 Certified for Stationary Emergency applications.
What is the fuel consumption of the Generac SDMD1750?
At standby rating on ultra-low-sulfur diesel, the SDMD1750 consumes approximately 122.5 gallons per hour at 100% load, 91.9 gph at 75% load, and 61.3 gph at 50% load. Actual consumption varies by site conditions, load profile, and altitude.
What voltages are available for the SDMD1750?
The SDMD1750 is available in two three-phase configurations: 277/480 VAC (approximately 2,631 amps) and 346/600 VAC, both at 0.8 power factor. The unit is UL 2200 listed and supports paralleling through Generac's Modular Power Systems (MPS) platform.

Compatible equipment

Transfer switches

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