Diesel generator sets
C175-20 (60 Hz)
Producing reliable power from 3150 - 4000 ekW at 60 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 certified for low fuel consumption, U.S. EPA Stationary Emergency Use only.
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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
- IBC seismic certification
- OSHPD pre-approval
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)/3900/3620(no fan)/3500 ekW |
|---|---|
| Prime Power Rating | 3600 (no fan)/3500/3300 (no fan)/3180 ekW |
| Emissions/Fuel Strategy | Low Fuel, Tier 2 |
| Voltage | 480 to 13800 Volts |
| Frequency | 60 Hz |
| Speed | 1800 rpm |
| Duty Cycle | Standby, Mission Critical, Prime, Continuous |
| Maximum Rating | 4000 ekW |
| Minimum Rating | 3150 ekW |
| 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 | 262.5 in |
|---|---|
| Length - Maximum | 331.1 in |
| Width - Minimum | 92 in |
| Width - Maximum | 128.5 in |
| Height - Minimum | 99.8 in |
| Height - Maximum | 150.7 in |
| Dry Weight - Genset (minimum) | 55100 lb |
| Dry Weight - Genset (maximum) | 66200 lb |
Air Inlet System
- 4 x Single element air cleaner canisters with service indicator(s).
Control Panel
- 24 Volt DC operation
- 4 Programmable relay Inputs
- 4 Programmable relay output
- Alarm acknowledge
- Amps (per phase & average)
- Auto/start/stop control
- Coolant temperature
- DC volts
- Digital indicators
- Cat ECS 100
- Emergency stop
- Emergency stop pushbutton
- Engine cool-down timer
- Engine cycle crank
- Environmental sealed front face
- Failure to start (overcrank)
- Frequency (Hz)
- High Coolant temperature
- Lamp test
- Low coolant level
- Low oil pressure
- Oil pressure (psi, kPa or bar)
- Operating hours
- Overspeed
- RPM
- Speed adjust
- Text alarm/event descriptions.
- True RMS AC metering, 3-phase, +/-2% accuracy
- Volts (L-L & L-N)
- Wall mounted controls:
- Warning/shutdown Indicators:
Cooling System
- AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
- Coolant sensors
- JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
- SCAC cooling
Exhaust System
- Dry exhaust manifold
- Dual ANSI 18" / DIN 450 flanges. Shipped loose. Support required from installation
Fuel System
- 10 Micron spin on yype
- 4 Micron spin on type
- Engine mounted filters x 3
- Filters x 3
- Primary fuel filter water/fuel water separator
- Secondary/tertiary fuel filters
Generators and attachments
- 3 Phase brushless
- 3 Phase voltage sensing
- 6 Leads
- Anti-condensation space heater
- Class H temperature rise at 40C ambient
- Exciter diode monitor
- Form wound
- IEC platinum stator RTDs
- Min / max exciter limiter
- NEMA Class H insulation
- Permanent magnet excitation (PMG)
- Reactive droop capability
- RFI suppression
- Right side extension box, bottom cable entry
- Salient pole
- Voltage regulator
Governing System
- ADEM A4
- Redundant shutdown (Overspeed protection through a duplicate speed sensing system)
Lube System
- Fumes disposal
- Gear type lube oil pump
- Integral lube Oil cooler
- Lubricating oil
- Oil drain lines and valve
- Oil filter, filler and dipstick
Mounting Systems
- Rails - Engine/generator
- Rubber anti-vibration mounts - shipped loose
Starting / Charging System
- Batteries and battery rack w/cables
- Battery disconnect switch
- Dual 24 volt electric starting motors
General
- Paint - Caterpillar yellow with high gloss black rails
- Right hand servicing
- SAE standard rotation
- Electric Power Rating Guide
- C175-20, 60 Hz, 3500 ekW Standby/MC, 3180 ekW Prime U.S. EPA Stationary Emergency (Tier 2) (with fan) Spec Sheet
- C175-20, 60 Hz, 3900 ekW Standby/MC, 3500 ekW Prime, 3150 ekW Cont., Low Fuel Consumption (with fan) Spec Sheet
- C175-20, 60 Hz, 3900 ekW Standby/MC, 3500 ekW Prime, 3150 ekW Cont. U.S. EPA Stationary Emergency (Tier 2) (with fan) Spec Sheet
- C175-20, 60 Hz, 4000 ekW Standby/MC, 3600 ekW Prime, 3250 ekW Cont., Low Fuel Consumption (without fan) Spec Sheet
- C175-20, 60 Hz, 3620 ekW Standby/MC, 3300 ekW Prime U.S. EPA Stationary Emergency (Tier 2) (without fan) Spec Sheet
- C175-20 60 Hz 4000 ekW Standby/MC, 3600 ekW Prime, 3250 ekW Cont., US. EPA Stationary Emergency (Tier 2) (without fan) Spec Sheet
- C175-20, 60 Hz, 3180 ekW, Prime-DCP, U.S. EPA Stationary Emergency Use Only (Tier 2) (with fan) Spec Sheet
- C175-20, 60 Hz, 3500 ekW, Prime-DCP, U.S. EPA Stationary Emergency Use Only (Tier 2) (with fan) Spec Sheet
- C175-20, 60 hz, 3300 ekW Prime-DCP, Low Fuel Consumption (without fan) Spec Sheet
- C175-20, 60 Hz, 3500 ekW, Prime-DCP, U.S. EPA Stationary Emergency Use Only (Tier 2) (with fan) Spec Sheet
- C175-20, 60 Hz, 3600 ekW, Prime-DCP, Low Fuel Consumption (without fan) Spec Sheet
- C175-20, 60 Hz, 3600 ekW, Prime-DCP, U.S. EPA Stationary Emergency Use Only (Tier 2) (without fan) Spec Sheet
Need installed dimensions with enclosure and tank? See Model Configurations
