The Kohler 1000REOZMD is a 1020-kilowatt standby (925 kW prime) diesel generator powered by a Mitsubishi S12H-Y2PTAW-1 V12 engine rated at 1528 HP at 1800 RPM. This megawatt-class unit serves mission-critical standby applications including data centers, hospitals, and large industrial facilities. Medium-voltage options (4160V–13800V) are available.
OnPoint Generators services Kohler REOZ diesel generators throughout Northern California. Megawatt-class units require specialized service capabilities including medium-voltage expertise and large-capacity load bank testing.
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.
Adjust load percent and tank size to estimate runtime. Pre-filled with this model's spec where available.
Estimate runtime on this tank
Estimated runtime
3.5 hours(0.1 days)
Fuel consumption ≈ 57.86 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 Kohler 1000REOZMD 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
Frequently Asked Questions
What engine powers the Kohler 1000REOZMD?
The 1000REOZMD uses a Mitsubishi S12H-Y2PTAW-1 V12 diesel engine rated at 1528 HP running at 1800 RPM with Tier 2 emissions certification.
What is the standby power rating of the 1000REOZMD?
The 1000REOZMD is rated at 1020 kW standby and 925 kW prime at 277/480V, 0.8 power factor, 60 Hz per Kohler published specifications.
Does OnPoint service the Kohler 1000REOZMD?
Yes. OnPoint Generators provides maintenance, repair, and load bank testing for Kohler REOZ diesel generators throughout Northern California, including megawatt-class units.
Kohler is our primary recommendation for commercial standby power. We sell and service the full Kohler line — RCA residential, RCL light commercial, KG industrial diesel, and REOZ large-frame — and our technicians are factory-trained on every product family.
We are an authorized Kohler dealer with factory-trained technicians. Kohler is the majority of our new generator sales today, spanning residential through large industrial. Our parts inventory is stocked for same-day Kohler service.