The Kohler 750REOZMD is a 760-kilowatt standby (690 kW prime) diesel generator powered by a Mitsubishi engine at 1800 RPM. This unit serves large commercial and industrial standby applications including hospitals, data centers, and manufacturing facilities.
OnPoint Generators services Kohler REOZ diesel generators throughout Northern California. We service units in this class with annual NFPA 110 maintenance, semi-annual inspections, and load bank testing up to full rated capacity.
Tell us about the application — kW, voltage, application, install timeline — and we'll respond within one business day with budgetary pricing, lead time, and any sizing notes.
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
4.2 hours(0.2 days)
Fuel consumption ≈ 47.37 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 750REOZMD 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.
Component
Symptom
Typical hours
Severity
Fuel injection pump / injectors
Hard starting, black smoke, uneven cylinder loading
10,000+
moderate
Turbocharger
Power loss, excessive exhaust smoke, oil carryover
12,000+
moderate
Cooling system (hoses / thermostat)
Overtemperature fault, coolant loss
10,000+
minor
Battery (starting)
Slow crank, failed exercise
8,760+
minor
Frequently Asked Questions
What engine powers the Kohler 750REOZMD?
The 750REOZMD uses a Mitsubishi diesel engine running at 1800 RPM (model S12A2-Y2PTAW-2).
What is the standby power rating of the 750REOZMD?
The 750REOZMD is rated at 760 kW standby and 690 kW prime per Kohler published specifications.
Does OnPoint service the Kohler 750REOZMD?
Yes. OnPoint Generators provides maintenance, repair, and load bank testing for Kohler REOZ diesel generators throughout Northern California, including the 760 kW class.
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