250-499KW Generators
2026 CAT D300GC 300kW Diesel Generator Set
- 300 kW
- Diesel
- 0 Hours
- New
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- Overview
- Year:2026
- Manufacturer:Caterpillar
- Package Model:D300 GC
- Generator Model:M2774L4
- Serial Number:RE301018
- Condition:New
- Hours:0
- Electrical
- kW:300
- kVA:375.0
- Voltage:277/480
- Amperage:451.0
- Frequency:60 Hz
- RPM:1,800
- Breaker:600A Main / 250A Secondary, LSI
- Control Panel:Deep Sea 6310
- Phase Type:Three Phase
- Power Rating:Standby
- Engine
- Fuel Type:Diesel
- Engine Manufacturer:Caterpillar
- Engine Model:C9
- Engine S/N:S9P04649
- Emissions Tier:EPA Tier 3
- Horsepower:480 HP
- Displacement:8.8 L
- Aspiration:Turbocharged Aftercooled
- Governor Type:Electronic
- Generator / Package
- Reconnectable:Yes
- Voltage Configuration:480V Wye
- Excitation Type:PMG (Permanent Magnet Generator)
- Fuel Tank Capacity:543 Gallons
- Enclosure Type:Sound Attenuated Enclosure
- Mounting Type:Base Tank Mounted
- Accessories / Components
- Air Cleaner:Dry-Type Air Cleaner
- Jacket Water Heater:Yes – Pump Style
- Battery Charger:10 Amp
- Starting System:24V Electric Start
- Exhaust System:Critical-Grade Muffler
- Shipping / Reference
- Dimensions (L × W × H):156" × 57" × 98"
- Weight:7,900 lbs
- Stock Number:MEG1438
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 543-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.
