SDMO

SDMO D275

220 kW standby · Diesel · Liquid-cooled

SDMO D275 diesel generator — 220 kW standby power with Doosan P086TI engine. Specs, features, and service information.

Standby power
220 kW
Voltage options
277/480V
Frequency / Phase
60 Hz · 3-phase
Engine
Doosan P086TI · 8.1L

Overview#

The SDMO D275 is a commercial diesel generator rated at 275 kVA (220 kW) standby, powered by the Doosan P086TI turbocharged inline-six engine. The 8.1-liter Doosan engine delivers solid performance in the mid-range commercial power class, offering a cost-competitive alternative to comparably sized units from other major OEMs. This model is well suited for medium commercial buildings, warehouses, and institutional facilities.

SDMO integrates the Doosan engine with a heavy-duty brushless alternator, digital controller with automatic mains failure and paralleling capability, and weatherproof enclosure options. The D275 produces three-phase power at 277/480V and 60 Hz. Its competitive pricing and reliable Doosan engine platform make it an attractive option for budget-conscious facility managers who need dependable standby power.

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Configure your SDMO D275

Lock the enclosure, fuel system, transfer switch, and add-ons — we'll confirm pricing, availability, and lead time within one business day. Prefer a free-form quote? That option is still here.

Estimate runtime for the SDMO D275

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

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Estimated runtime

16.8 hours(0.7 days)

Fuel consumption ≈ 11.88 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 SDMO D275 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 6000 hours
Air filter
Every 1000 hours
Fuel filter
Every 500 hours
Major overhaul
20,000 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, filter clogging, reduced power4,380+moderate
TurbochargerPower loss, excessive smoke under load12,000+moderate
BatteryFailed to start, slow crank8,760+minor

Frequently Asked Questions

What engine does the SDMO D275 use?
The D275 uses the Doosan P086TI, an 8.1-liter turbocharged inline-6 diesel engine. Doosan engines are known for competitive pricing and solid reliability in standby generator applications across commercial and institutional facilities.
How does the SDMO D275 compare to other 220 kW generators?
The D275 competes with units like the Cummins C200D6 and Olympian GEP220 in the 200-250 kW commercial standby class. Its Doosan engine provides a cost-competitive alternative with reliable performance, making it attractive for budget-conscious facility operators.

More in the SDMO D-Series (Doosan)

Doosan-powered diesel gensets from 150 to 700 kW

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