250-499KW Generators
New CAT D300 GC 300 kW Diesel Generator Set
- 300 kW
- Diesel
- 0 Hours
- New
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Available Units
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- Overview
- Year:2026
- Manufacturer:Caterpillar
- Package Model:D300 GC
- Generator Model:D300GC
- Serial Number:See Available Units above
- Condition:New
- Hours:See Available Units above
- Warranty
- Warranty Type:Manufacturer Warranty
- Electrical
- kW:300
- kVA:375.0
- Voltage:277/480
- Amperage:451.0
- Frequency:60 Hz
- RPM:1,800
- Breaker:ABB SACE Tmax XT6N 800
- Control Panel:CAT GCCP 1.2
- Phase Type:Three Phase
- Power Rating:Standby
- Engine
- Fuel Type:Diesel
- Engine Manufacturer:Caterpillar
- Engine Model:C9
- Engine S/N:See individual unit page
- Horsepower:480 HP
- Displacement:8.8 L
- Aspiration:Turbocharged Aftercooled
- Governor Type:Electronic
- Generator / Package
- Generator Insulation Class:Class H
- Voltage Configuration:277/480V, 3 Phase, 4 Wire
- Fuel Tank Capacity:595 Gallons
- Enclosure Type:Sound Attenuated Enclosure
- Mounting Type:Base Tank Mounted
- Accessories / Components
- Air Cleaner:Heavy-Duty Dry-Type Air Cleaner
- Jacket Water Heater:2700W, 240V Engine Coolant Heater
- Starting System:24V Electric
- Exhaust System:Silencer with Insulated Exhaust Piping
- Shipping / Reference
- Dimensions (L × W × H):156" × 57" × 98"
- Weight:7,900 lbs
- Stock Number:See Available Units above
Description
New 2026 Caterpillar D300GC diesel generator set rated 300 kW standby (270 kW prime), powered by a CAT C9 engine operating at 1800 RPM. This unit is configured for 277/480V, 3-phase, 60 Hz and features a 12-lead reconnectable generator with PMG excitation for reliable performance in demanding applications.
The generator is housed in a factory sound-attenuated enclosure and mounted on a 621-gallon UL142 double-wall base fuel tank with secondary containment. Equipped with a CAT GCCP 1.2 digital control panel, 600-amp main-line circuit breaker, coolant heater, and battery charger, this unit is fully packaged and ready for immediate deployment.
Additional features include UL 2200 listing, IBC seismic certification, safety shutdown systems, and telematics capability. This is a brand-new unit with 0 hours and backed by a 5-year Caterpillar factory warranty. ETA August 2026. FOB Edinburgh, Indiana.
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