What engine powers the Kohler 180REOZJG?

The 180REOZJG uses a John Deere diesel engine running at 1800 RPM (model 6068HFG82E).

What is the standby power rating of the 180REOZJG?

The 180REOZJG is rated at 180 kW standby and 165 kW prime per Kohler published specifications.

Does OnPoint service the Kohler 180REOZJG?

Yes. OnPoint Generators provides maintenance, repair, and load bank testing for Kohler REOZ diesel generators throughout Northern California, including the 180 kW class.

Kohler · REOZ Series (Diesel Commercial Standby)

Kohler 180REOZJG

180 kW standby / 165 kW prime · Diesel · Liquid-cooled

180 kW diesel commercial standby generator powered by John Deere. Reliable standby power for commercial and institutional facilities.

Standby power: 180 kW / 165 kW prime
Voltage options: 277/480V, 120/208V, 120/240V
Frequency / Phase: 60 Hz · 1/3-phase
Engine: John Deere 6068HFG82E · 6.8L
EPA / Emissions: Tier 3
Alternator: Kohler 4S12X

Commercial Healthcare Governmentindustrial-light

Overview#

The Kohler 180REOZJG is a 180-kilowatt standby (165 kW prime) diesel generator powered by a John Deere engine at 1800 RPM. Typical applications include commercial buildings, healthcare, and institutional facilities.

Our service experience#

OnPoint Generators services Kohler REOZ diesel generators throughout Northern California. We typically structure service for this class around annual NFPA 110 maintenance plus semi-annual fuel quality and filter inspections.

Engineering specifications

Physical

Length: 118.1 in
Width: 51.2 in
Height: 65.7 in
Wet weight: 3,295 lb

Fuel system & runtime

Fuel use @ full load: 13.7 GPH
Fuel use @ 75% load: 11.3 GPH

Photos

Documents & downloads

Spec sheets & manuals

Spec sheet (datasheet)

Ready to order this model?

Configure your Kohler 180REOZJG

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.

Configure & Quote →Just request a quote Download datasheet

Estimate runtime for the Kohler 180REOZJG

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

Estimate runtime on this tank

Generator size

Fuel

Fuel tank capacity

gal

Load

Override full-load GPH (optional)

GPH

Estimated runtime

18.9 hours(0.8 days)

Fuel consumption ≈ 10.57 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 180REOZJG under standby duty. Field intervals may differ based on load profile, ambient conditions, and fuel quality.

Oil & filter: Every 250 hours or 12 months
Coolant change: Every 3000 hours
Air filter: Every 500 hours
Fuel filter: Every 500 hours
Major overhaul: ≈ 15,000 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 quality / degradation	Injector fouling, hard starting, filter clogging	4,380+	moderate
Turbocharger	Power loss, excessive smoke under load	12,000+	moderate
Battery (starting)	Failed to start, slow crank	8,760+	minor

Frequently Asked Questions

What engine powers the Kohler 180REOZJG?: The 180REOZJG uses a John Deere diesel engine running at 1800 RPM (model 6068HFG82E).
What is the standby power rating of the 180REOZJG?: The 180REOZJG is rated at 180 kW standby and 165 kW prime per Kohler published specifications.
Does OnPoint service the Kohler 180REOZJG?: Yes. OnPoint Generators provides maintenance, repair, and load bank testing for Kohler REOZ diesel generators throughout Northern California, including the 180 kW class.

Compatible equipment

Transfer switches

More in the REOZ Series (Diesel Commercial Standby)

Kohler's diesel commercial standby series — 10 to 510 kW, John Deere and Kohler engines, built for life-safety loads.

View all 33models in this series →

Similar models

Kohler

Kohler 200REOZJF

200 kW diesel standby with sub-3% THD -- John Deere 6068HFG85. Healthcare and data center default in this power class.

200 kW standby · Diesel · Liquid-cooled

200 kW commercial standby for hospitals, data centers, government, and mid-size facilities requiring NFPA 110 Level 1.

200 kW diesel commercial standby generator. Large commercial diesel for hospitals, data centers, and institutional facilities.

Tier 33-phasehospitaldata-center

Kohler

Kohler 150REOZJF

THD below 3% at 154 kW -- the healthcare and commercial default. John Deere 6068HF285K with Decision-Maker controller.

154 kW standby · Diesel · Liquid-cooled

154 kW commercial standby for hospitals, schools, retail, and institutional facilities requiring clean power and NFPA 110 compliance.

154 kW diesel commercial standby generator powered by John Deere. Reliable standby power for commercial and institutional facilities.

Tier 33-phasecommercialhealthcare

Kohler

Kohler 180REZXB

190 kW industrial gaseous -- Doosan D111TIC with PM alternator, sub-3% THD. No on-site fuel storage required.

190 kW standby · LPG · Liquid-cooled

190 kW commercial standby on NG/LP for retail, offices, and light commercial preferring gaseous fuel over diesel.

190 kW LPG industrial standby generator. Enclosed gaseous standby with Doosan engine for commercial, healthcare, and institutional applications.

3-phasecommercialhealthcare

Need service or parts for the Kohler 180REOZJG?

We service every major OEM and stock genuine parts for the most common models.

Get A Quote Or call (831) 375-1463