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Caterpillar C27 Specs (Power | Consumption)

Written by Ernie Lo in Specs Last Updated August 18, 2026

The Caterpillar C27 generator is listed with standby output of 800 kW, Diesel fuel, 60 Hz operation, 480 V output, and Three phase.

Caterpillar Generator Specifications

Generator • Diesel • 60 Hz • Three phase

Standby power: 800 kWVoltage options: 480 VDry weight: 16,380 lb (7,430 kg)

Key specifications

800 kW Standby power
Diesel Fuel
480 V Voltage options
Three phase Phase
16,380 lb (7,430 kg) Dry weight
60 Hz Frequency

Useful generator charts

Charts are shown only when this model has enough usable source data.

Fuel consumption by load
How fuel use changes as generator load increases.
50% load

32.9 gal/hr

75% load

45.1 gal/hr

100% load

58.9 gal/hr

Power-to-weight
Standby output per 1,000 lb of dry weight compared with a fixed industry reference for this output class.
This model

48.8 kW

Typical reference

47 kW

Typical for this output class
Model spec snapshot
Representative numeric specifications from this generator.
800 kWStandby
16,380.35 lbWeight

How the Caterpillar C27 compares

Low, Typical and High are fixed generator-industry reference bands set by standby-output class. They do not change based on the models contained in this CSV.

Standby power
800 kW
Typical range
Typical: 700 kW
Dry weight
16,380 lb
Typical range
Typical: 14,991 lb
Oil capacity
25.1 gal
Typical range
Typical: 23.78 gal
Standby power800 kW · Typical
Low 400 kWTypical 700 kWHigh 1,000 kW

Falls within the typical industry reference range for generators in this standby-output class.

Dry weight16,380 lb · Typical
Low 7,011 lbTypical 14,991 lbHigh 27,999 lb

Falls within the typical industry reference range for generators in this standby-output class.

Oil capacity25.1 gal · Typical
Low 10.57 galTypical 23.78 galHigh 59.44 gal

Falls within the typical industry reference range for generators in this standby-output class.

This model Typical industry reference

Generator information

Manufacturer Caterpillar
Model C27
Generator type Generator
Fuel Diesel
Frequency 60 Hz

Electrical output

Standby power 800 kW
Standby kVA 1000.0
Voltage options 480 V
Phase Three phase
Power factor 0.8

Engine, cooling and controls

Engine model Caterpillar C27 ATAAC
Engine displacement 1, 649 cu in (27.03 L)
Aspiration / cooling TA
Rated engine speed 1800 rpm
Engine oil capacity 25.1 gal (95 L)
Engine coolant capacity 29.1 gal (110 L)
Oil capacity 25.1 gal (95 L)
Coolant capacity 29.1 gal (110 L)
Maximum ambient 109 °F (43 °C)
Controller EMCP 4.2
Emissions EPA Tier 4 Interim

Physical specifications

Dry weight 16, 380 lb (7, 430 kg)
Dimensions (L × W × H) 170.6 × 79.3 × 85.6 in (4332 × 2015 × 2173 mm)

Fuel consumption

Standby 32.9 gal/h (125.0 L/h) @ 50%; 45.1 gal/h (171.0 L/h) @ 75%; 58.9 gal/h (223.0 L/h) @ 100%

Maintenance and service parts

Engine oil Interval: 500 hr; Capacity: 99.0 L
Oil filter Part number: 2P4005; Specification: Duplex primary with integral water separator and change-over valve, engine mounted secondary filter

Disclaimer: Specifications should be verified against the official owner’s or service manual and confirmed on the Caterpillar USA website.

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Ernie Lo

Ernie Lo is a qualified web designer and web developer. He works as an IT support technician and website manager at Benleigh Vending, and he also fixes vending machines.

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