Used Caterpillar 1250F 1000kW Diesel Generator – In Stock, Pre-Owned & Load Tested

Used Caterpillar 1250F 1000kW Diesel Generator – In Stock, Serviced & Tested

This listing is for a used Caterpillar 1250F diesel generator set, delivering 1000kW (1250kVA) of reliable prime power. Built by Caterpillar – the world’s leading manufacturer of diesel generators – this unit represents the pinnacle of heavy-duty industrial power generation. This generator is currently in stock and available for immediate dispatch.

Caterpillar Reliability & Performance

Caterpillar generators are renowned worldwide for their robust construction, exceptional durability, and ability to withstand the most demanding operating conditions. With proper maintenance, Cat generator sets are known to achieve 20,000–30,000+ operating hours before major overhaul – a testament to their engineering excellence. This used unit offers the same legendary Cat reliability at a fraction of the cost of new equipment.

Engine & Power Specifications

While specific engine configurations may vary by production year, the 1250F typically features a Caterpillar 3500 Series or similar heavy-duty industrial diesel engine – V12 or V16 configuration depending on the specific build. These engines are designed for continuous duty applications with:

• Turbocharged and aftercooled design for optimal performance at altitude

• Direct injection fuel system for efficiency and reliability

• Electronic engine controls on later models for precise governance

• Low emissions compliance meeting applicable standards

• Proven durability in the world’s harshest environments

Generator Set Specifications

Key Features

Caterpillar Engine Advantages:

• Global support – Caterpillar’s worldwide dealer network ensures parts and service availability anywhere

• Proven longevity – Designed for 20,000+ hour major overhaul intervals with proper maintenance

• Superior load acceptance – Handles large motor starting and step loads with minimal voltage/frequency dip

• Low fuel consumption – Optimized combustion for cost-effective operation

• Heavy-duty construction – Cast iron block, replaceable cylinder liners, forged steel crankshaft

Generator Features:

• PMG excitation option – Provides clean power for sensitive electronic loads and superior motor starting

• EMCP control – Comprehensive monitoring with digital display of all parameters

• Protection system – Automatic shutdown on low oil pressure, high coolant temperature, overspeed, and overload

• Class H insulation – For extended thermal life in demanding applications

Condition & Testing

• Condition: Used, with cosmetic signs of prior service (scratches, paint wear) consistent with working industrial equipment

• Stock Status: In stock – available for immediate dispatch

• Engine Hours: Please contact for current hour meter reading

• Service History: Oil and filter changed, coolant and fuel levels checked, air filter inspected/replaced

• Load Test: Unit has been load bank tested at 25%, 50%, 75%, and 100% load – operates smoothly with stable voltage and frequency

• Inspection: Available for viewing by appointment

• Warranty: Basic warranty included (inquire for details)

Why Choose a Pre-Owned Caterpillar Generator?

Caterpillar is the undisputed global leader in heavy-duty power generation, with decades of engineering expertise and a reputation for building equipment that outlasts competing brands. Key advantages include:

• Unmatched durability – Cat generators are built to survive in mining, oil & gas, and other extreme environments

• Parts availability – Even for older models, Cat parts remain available through the extensive dealer network

• High residual value – Cat equipment holds its value better than most competitors

• Proven technology – Continuous refinement over decades results in mature, reliable designs

• Global support – Service and parts available in virtually every country worldwide

This used unit offers exceptional value – delivering 1 megawatt of reliable Cat power at a fraction of new equipment cost.

Typical Applications

• Mining operations: Primary site power, dragline support, pit dewatering

• Data centers: Mission-critical backup power with N+1 redundancy

• Manufacturing plants: Continuous power for production lines

• Oil & gas facilities: Drilling rigs, pipeline pumping stations

• Large commercial buildings: Shopping malls, hospitals, airports

• Utilities: Grid support, peak shaving, emergency backup

• Events: Large-scale concerts, festivals, temporary cities

• Construction: Major infrastructure projects, tunnel boring

What’s Included

• Caterpillar 1250F diesel generator unit

• Caterpillar EMCP control panel

• Base frame with anti-vibration mounts and integrated fuel tank

• Exhaust silencer and flexible connection

• Operator’s manual and maintenance records (where available)

• Basic tool kit (where available)

Options Available (please inquire)

• Sound-attenuated enclosure – Weatherproof, low-noise canopy

• Trailer mounting – Road-legal trailer for mobility

• Automatic Transfer Switch (ATS) – For automatic backup power

• Parallel capability – For multi-unit synchronized operation

• Remote monitoring – Web-based monitoring and control

• Extended warranty – Optional coverage beyond standard

• Installation & commissioning – Professional setup services

• Additional fuel tank – For extended runtime requirements

Why Buy from Us?

• Immediate Availability: In stock – ready for dispatch

• Inspection Welcome: View the unit in person or request detailed photos/videos

• Professionally Serviced: Fully checked and serviced by experienced diesel technicians

• Load Tested: Verified performance at full rated output

• Competitive Pricing: Significant savings compared to new equipment

• Technical Support: Our team can assist with installation and operation questions

• Shipping: We can arrange delivery worldwide