Diesel generator sets
C175-20 (50 Hz)
Producing reliable power from 3150 - 4000 kVA in 50 Hz, our C175-20 diesel generator sets are made to meet your mission critical, continuous, standby and prime applications. We've designed each to ISO 8528-5 transient response requirements and to accept 100% rated load in one step. The generator set is optimized for low fuel consumption or low emissions.
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Cat Generator Set Package
- Cat generator set packages have been fully prototype tested
- Accepts 100% block load in one step and meets NFPA 110 loading requirements
- Conform to ISO 8528-5 steady state and transient response requirements
Cat Diesel Engine
- Reliable, rugged, durable design
- Field-proven in thousands of applications worldwide
- Four-stroke-cycle diesel engine combines consistent performance and excellent fuel economy with minimum weight
SR5 Alternator
- Superior motor starting capability minimizes need for oversizing alternator
- Designed to match performance and output characteristics of Cat diesel engines
- Robust Class H insulation
Cat ECS Control Panel
- User-friendly interface and navigation
- Scalable system to meet a wide range of installation requirement
- Expansion modules and site-specific programming for specific customer requirements
Cooling System
- Designed to operate in standard ambient temperatures up to 50°C (122°F)
- Contact your Cat Dealer for specific ambient and altitude capabilities
Certifications
- EU Declaration of Conformity
- EU Declaration of Incorporation
- Eurasian Conformity (EAC)
- IBC seismic certification
One Safe Source
- Components used in the generator set are selected at the design stage to provide optimum package performance
- The generator set is fully assembled at a Caterpillar facility following our quality guidelines
- Each generator set package is tested before leaving the Caterpillar facility
- Cat product support, including dealer service, parts and warranty covers the entire Cat power system
Over 20,000,000 Operating hours
at Global locations
Over 3000 units
In the field
Highest Rated Tier 4 Product
Available on the market
| Standby Rating | 4000(no fan)/3900/3350(no fan) kVA |
|---|---|
| Prime Power Rating | 3600(no fan)/3500 kVA |
| Emissions/Fuel Strategy | Low Fuel, Low Emissions |
| Voltage | 400 to 11000 Volts |
| Frequency | 50 Hz |
| Speed | 1500 RPM |
| Duty Cycle | Standby, Mission Critical, Prime, Continuous |
| Maximum Rating | 4000 kVA |
| Minimum Rating | 3150 kVA |
| Engine Model | C175-20 SCAC, V-20, 4-Stroke Water-Cooled Diesel |
|---|---|
| Bore | 6.89 in |
| Stroke | 8.66 in |
| Displacement | 6456.31 in³ |
| Compression Ratio | 15.3:1 |
| Aspiration | Turbo Aftercooled |
| Fuel System | Common Rail |
| Governor Type | ADEM� A4 |
| Length - Minimum | 264.2 in |
|---|---|
| Length - Maximum | 330.8 in |
| Width - Minimum | 85.1 in |
| Width - Maximum | 127.8 in |
| Height - Minimum | 87.6 in |
| Height - Maximum | 150.7 in |
| Dry Weight - Genset (minimum) | 55100 lb |
| Dry Weight - Genset (maximum) | 66200 lb |
Air Inlet
- 4 x Single element canister air cleaners with service indicator(s).
Control Panel
- Engine cycle crank
- Oil pressure (psi, kPa or bar)
- Digital Indicators
- Coolant temperature
- Environmental sealed front face
- Frequency (Hz)
- True RMS AC metering, 3-phase, +/-2% accuracy
- Text alarm/event descriptions
- Low coolant level
- Volts (L-L & L-N)
- Auto/start/stop control
- Warning/shutdown Indicators:
- Emergency stop pushbutton
- Engine cool-down timer
- DC volts
- High coolant temperature
- Operating hours
- Low oil pressure
- Cat ECS 100
- Amps (per phase & average)
- 4 Programmable relay Inputs
- Alarm acknowledge
- 4 Programmable relay output
- Failure to start (overcrank)
- Overspeed
- Lamp test
- 24 Volt DC operation
- Wall mounted controls
- RPM
Cooling System
- SCAC cooling
- Coolant sensors
- JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
- AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
Exhaust
- Dry exhaust manifold
- Bolted flange (ANSI 6" & DIN 150) with bellow for each turbo (Qty 4). 50 Hz
Fuel
- Filters x 3
- Secondary/tertiary fuel filters
- 4 Micron spin on type
- 10 Micron spin on type
- Engine mounted filters x 3
- Primary fuel filter water/fuel water separator
Generators and Attachments
- Salient pole
- RFI suppression
- Anti-condensation space heater
- IEC platinum Stator RTDs
- Form wound
- NEMA Class H insulation
- Voltage regulator
- Reactive droop capability
- Min/max Exciter limiter
- 3 Phase voltage sensing
- Exciter diode monitor
- 6 Leads
- 3 Phase brushless
- Right side extension box, bottom cable entry
- Permanent magnet excitation (PMG)
- Class H temperature rise at 40C ambient
Governing System
- ADEM A4
- Redundant shutdown (Overspeed protection through a duplicate speed sensing system)
Lube System
- Oil drain lines and valve
- Gear type lube oil pump
- Oil filter, filler and dipstick
- Integral lube Oil cooler
- Lubricating oil
- Fumes disposal
Mounting Systems
- Rails - Engine/Generator
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- Batteries and battery rack w/cables
- Dual 24 volt electric starting motors
- Battery disconnect switch
General
- SAE standard rotation
- Right hand servicing
- Paint - Caterpillar yellow with high gloss black rails
- Electric Power Rating Guide
- C175 Generator Sets Product Brochure
- C175-20, 50 Hz, 3900 kVA Standby/MC, 3500 kVA Prime, 3150 kVA Cont., Low Fuel Consumption / Low Emissions (with fan) Spec Sheet
- C175-20, 50 Hz, 4000 kVA Standby/MC, 3600 kVA Prime, 3250 kVA Cont., Low Fuel Consumption / Low Emissions (without fan) Spec Sheet
- C175-20, 50 Hz, 3350 kVA Standby/MC, Low Emissions (without fan) Spec Sheet
- C175-20, 50 Hz, 3500 kVA, Prime-DCP, Low Fuel Consumption (with fan) Spec Sheet
- C175-20, 50 Hz, 3600 kVA, Prime-DCP, Low Fuel Consumption (without fan) Spec Sheet
Need installed dimensions with enclosure and tank? See Model Configurations
