Caterpillar offers a range of generators for industries, commercial use, and standby power. Still, the top 10 for sale in 2025 are XQ60 – 60KW, XQ75 – 75KW, G3412 – 375KW, G399, C9 – 250KW, XQ80 – 80kW, XQ125 – 100KW, G3512 – 1250 KW, XQ100 – 100kW, and C32 – 1000 KW. To choose the right caterpillar generator consider factors such as power requirements, type of application, fuel type, budget, features, size and weight.
In this blog, let’s discuss the top 10 caterpillar generators and their specifications.
Table of contents
- Top 10 caterpillar generators and their specifications
- FAQs
Top 10 caterpillar generators and their specifications
Caterpillar XQ60 – 60 KW Tier 4
Caterpillar XQ60 – 60 KW Tier 4 is a trailer-mounted diesel generator suitable for rental applications. It is strong, easily transportable and fuel-efficient providing 500-hours oil change interval.
Features and Specifications
- Frequency: 60 Hz.
- Voltage: Selectable (120-600V).
- Engine: Cat C3.4 or C4.4 Diesel.
- Output: 60 kW (60 kVA).
- Transportation: Comes with a trailer for easy transportation on worksites
- Dimensions: Approximately 180″L x 77″W x 91″H.
- Oil Change: 500-hours interval between oil change.
- Weight: Around 6,500 lbs.
- Enclosure: Sound-attenuated enclosure.
- Fuel Tank: Typically 157 gallons.
- Emission Standards: Meets U.S. EPA Tier 4 Final and CARB standards.
- Control Panel: Comes with a digital control panel.
Caterpillar XQ75 – 75KW
The caterpillar XQ 75-75 KW is commonly used for standby power or rental applications. It is a trailer-mounted generator that comes with 75 standby power and 68KW prime power. The fuel tank has a capacity of about 140 gallons.
Features and Specifications:
- Engine: Diesel engine meets Tier 4 emission standards
- Fuel Tank: 140 gallons capacity.
- Voltage: 480V.
- Enclosure: Comes with a sound-attenuated cover for noise reduction.
- Power Rating: 75kW standby power & 68kW prime power.
- Transportation: Trail mounted for easy transportation
- Control Panel: This comes with an analog control panel.
- Breakers: Has a main breaker.
- Additional Features: Has a engine-driven radiator and a fuel tank.
- Engine Block Heater: Optional engine block heater.
Caterpillar G3412 – 375KW
The Caterpillar G3412 is a flexible solution for different applications, it makes use of different gasses including propane, biogas, and natural gas. It is the most preferred choice for emergency power and cogeneration. They are reliable, durable, easy to operate, low operating costs, and low emissions.
Features and specifications
- Power Output: 350 – 500 kW at 60 Hz.
- Maximum Electrical Efficiency: 37.30%.
- Voltage: 480V.
- Fuel Types: Natural Gas, Biogas, Field Gas, and Propane.
- Frequency: 50 or 60 Hz.
- RPM: 1800.
- Ratings: 500 ekW standby & 453 ekW continuous.
Caterpillar G399 Natural Gas Generator Set
Caterpillar G399 is a cost-saving and fuel-efficient generator compared to other diesel generators. It is used in various applications including mining and construction. Some of the common issues that may occur are fuel contamination, corrosion, incomplete combustion, and ignition problems; these issues can be avoided with proper maintenance of the fuel system and replacing spark plugs.
Features and Specifications:
- Power Output: 600kW / 750kVA
- Fuel Type: Natural Gas
- Voltage: 240/480v
- Horsepower: 930 hp
- RPM: 1200
- Enclosure: Open or Enclosed
- Common Applications: Power generation in various industries
- Frequency: 60 Hz
Caterpillar C9 – 250KW
The Caterpillar C9 250kW has Tier 3 diesel engine with features like coolant heater, battery charger and fuel tank. The engine has output ranges 3/60/277/480V along with a 12-lead reconnectable for other voltages.
Key Features:
- Power Output: 250kW standby, 225kW prime.
- Engine: Caterpillar C9, 363 HP at 1800 RPM.
- Fuel Tank: 621 gallon UL142 listed sub-base fuel tank with secondary containment.
- Weight: 7915 lbs.
- Control Panel: GCCP1.2 digital control panel.
- Emissions: EPA Tier 3.
- Dimensions: 57W x 182L x 98H.
- Other Features: UL2200 listed package, EnerGenius battery charger, and coolant heater.
Caterpillar XQ80 – 80kW Tier 3 / CARB Diesel Power Module
Caterpillar XQ80 – 80kW offers a reliable power supply for various applications. They come with rear customer access, anti-vibration mounting pads, and multi-voltage distribution panels ensuring the balance between consistent power supply and environment friendliness.
Features & Specifications:
- Power Rating: 80 kW Standby / 70 kW Prime
- Voltage: 208 to 600V
- Fuel Tank Capacity: 634 L
- Engine: Caterpillar C4.4 DITA SCAC, 130 HP
- Weight: 5390 lbs (2445 kg) with lube oil and coolant
- Emissions: Tier 3
- Cooling: Radiator
- Frequency: 60 Hz
- Dimensions: 1130 x 1870 x 3280 mm (Width x Height x Length)
- RPM: 1800
Caterpillar XQ125 – 100 KW Tier 4
Caterpillar XQ125 – 100KW is powered by a C4.4 engine that meets Tier 4 emission standards. It is suitable for various applications and can produce clean and reliable power sources; XQ125 comes with sound-attenuated enclosures for noise-free operation.
Specifications:
- Prime Rating: 100 kW (125 kVA).
- Standby Rating: 110 kW (137 kVA).
- Fuel: Diesel.
- Frequency: 60 Hz.
- Voltage: 120 – 600 V.
- Fuel Tank Capacity: 223 gallons and 568 gallons varies depending on the model.
- Weight: Approximately 5,230 lbs (2,372 kg) without a trailer.
- Sound Level: 65-66 dB(A) at 7 meters.
- Enclosure: Sound-attenuated enclosure
- Control Panel: Comes with a digital control panel
- Transportation: Comes with rental-ready features for easy transportation across job sites.
Caterpillar 3512 – 1250 KW
The Caterpillar 3512 – 1250 KW is the most preferred power generation solution for mission-critical applications, stand-by, continuous, and prime power needs. It is high-performing and able to handle demanding situations.
Key Features and Specifications:
- Frequency: 60 Hz.
- Engine: Caterpillar 3512, a four-stroke-cycle diesel engine.
- Control Panel: EMCP 4 (Caterpillar Electronic Modular Control Panel)
- Power Output: 1250kW (kilowatts).
- Alternator: SR5, for advanced motor starting capability.
- Certifications: CSA, IBC seismic certification, UL 2200 Listed, OSHPD pre-approval.
- Cooling System: 50°C (122°F).
Caterpillar XQ100 – 100kW
The caterpillar XQ100-100KW is durable and robust for various environments. It is featured with corrosion-resistant construction, dual-wall fuel tanks, a multi-voltage distribution panel, lockable access doors, and a sound-attenuated enclosure.
Features and Specifications:
- Engine: CAT C4.4 diesel engine
- Enclosure: Sound-attenuated, corrosion-resistant, and weather-resistant enclosure
- Power Output: 100kW
- Emissions: EPA Tier 3 compliant
- Fuel Tank: Integral 24-hour dual-wall fuel tank (optional)
- Duty Cycle: Standby and prime
- Voltage Options: Comes with 480/277V, 208/120V, and adjustable 3-phase 240V output
- Other features: Internally mounted exhaust silencers and lifting eyes for portability
Caterpillar C32 – 1000 KW
Caterpillar C32 -1000KW is a reliable and dependable option for power generation. It is used in backup power generation, standby, and industrial applications.
Features and Specifications:
- Engine: 12-cylinder, V-configuration diesel engine for durability.
- Power Output: 1000 kW.
- Operating Speed: 1800 RPM.
- Emissions: Meets Tier 2 and Tier 4 emission standards.
- Package: Comes with control panel, fuel tank, sound-attenuated enclosure, and other required components.
- Applications: Used as an industrial power, standby power, mining, construction, and marine.
Powergen Enterprises is one of the prominent providers of used and new diesel generators for sales and rentals. Our technicians will understand your power requirements and suggest the right generator suitable for your industry or business. Talk to our expert today to find which of the top caterpillar generators will improve your business productivity through a consistent power supply.
FAQs
What are the top 10 Caterpillar Generators for Sale in 2025?
The top 10 Caterpillar Generators for Sale 2025 are XQ60, XQ75, G3412, G399, C9, XQ80, XQ125, 3512, XQ100, and C32.
What are the factors involved in choosing the right Caterpillar generator?
To choose the right caterpillar generator, consider factors such as fuel type, power requirements, type of application, budget, features, size, and weight.




