NC Machinery Logo

336 Excavator

  • Specs Summary

C175-20

Producing reliable power from 2500 to 3100 ekW at 60 Hz, our 175-20 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 per cent rated load in one step. The generator set is certified for low fuel consumption, U.S. EPA Stationary Emergency Use only.

Standard Equipment

Air Inlet System

  • 4 x Single element air cleaner canisters with service indicator(s).

Control Panel

  • EMCP 4.2
  • Emergency stop pushbutton
  • 24-volt DC operation
  • Environmental sealed front face.
  • Text alarm / event descriptions.
  • Wall mounted controls:
  • Speed adjust
  • Auto / start / stop Control
  • Engine cool-down timer.
  • Engine cycle crank
  • Alarm acknowledge
  • Lamp test
  • True RMS AC metering, 3-phase, +/-2% accuracy
  • Digital indicators:
  • RPM
  • DC Volts
  • Operating hours
  • oil pressure (psi, kPa or bar)
  • Coolant temperature
  • Volts (L-L & L-N)
  • Frequency (Hz)
  • Amps (per phase & average)
  • Warning / shutdown Indicators:
  • Low oil pressure
  • High Coolant temperature
  • Overspeed
  • Emergency stop
  • Failure to start (overcrank)
  • Low Coolant level
  • 4 programmable relay Inputs
  • 4 programmable relay output

Cooling System

  • SCAC cooling
  • JW Inlet: 6" ANSI / JW Outlet: 5" Cat Flange
  • AC Inlet: 6" ANSI / AC Outlet: 3-1/2" ANSI
  • Coolant sensors

Exhaust System

  • Dry exhaust manifold
  • Dual ANSI 18" / DIN 450 flanges. Shipped loose. Support required from installation

Fuel System

  • Primary fuel filter water / fuel water separator
  • 10 Micron spin on yype
  • Filters x 3
  • Secondary / tertiary fuel filters
  • 4 Micron spin on type
  • Engine mounted filters x 3

Generators and attachments

  • 3 Phase brushless
  • Salient pole
  • 6 Leads
  • IEC Platinum stator RTDs
  • Voltage regulator:
  • Reactive droop capability
  • 3 Phase voltage sensing
  • RFI suppression
  • Min / max exciter limiter
  • Exciter diode monitor
  • Form wound
  • Permanent magnet
  • NEMA Class H insulation
  • Class H temperature rise at 40C ambient
  • Anti condensation space heater
  • Right side extension box, bottom cable entry

Governing System

  • ADEM A4
  • Redundant shutdown (Overspeed protection through a duplicate speed sensing system)

Lube System

  • Lubricating oil
  • Gear type lube oil pump
  • Integral lube oil cooler
  • Oil filter, filler and dipstick
  • Oil drain lines and valve
  • Fumes disposal

Mounting Systems

  • Rails - Engine / generator
  • Rubber anti-vibration mounts (shipped loose)

Starting / Charging System

  • Dual 24 volt electric starting motors
  • Batteries and battery rack w/cables
  • Battery disconnect switch

General

  • Paint - Caterpillar yellow with high gloss black rails
  • Right hand service
  • SAE standard rotation

Optional Equipment

Control Panel

  • EMCP 4.3
  • EMCP and MV and HV power connection locations
  • Load share module
  • EMCP voltage and current sensing groups
  • Speed adjust
  • Annunciator modules
  • Customer interface options
  • Generator temperature monitoring
  • E-Stop
  • Interconnect harness
  • Generator Harness
  • Modbus monitoring of packages
  • Vandal proof panel door

Generator

  • Anti-condensation heater
  • Internal excitation (IE)
  • Permanent magnet excitation (PMG)
  • Oversize and premium generators

Power Termination

  • Circuit breakers, UL listed
  • Circuit breakers, IEC compliant

Air Inlet Systems

  • Single element air cleaner

Cooling System

  • Package mounted radiators
  • Remote radiators
  • Fuel cooler

Exhaust System

  • Front housing - Standby or mission critical
  • Front housing - Prime or continuous
  • Exhaust collectors / Manifold
  • Mufflers (15, 25 and 34 dBA silencers)

Fuel System

  • Primary fuel filter

General

  • Special paint - 3500
  • Barring groups:
  • Engine barring group
  • Manual
  • Engine Air powered
  • Control GP - Air powered bar group

Generators and Attachments

  • Medium Voltage - 3000 Frames - 60 Hz, 3 phase, 1800 rpm, FW, PM, No of leads=6, Pitch 0.6667
  • Generator air cleaner
  • Differential current transformers
  • Thermostat for space heater

Instrumentation

  • Pyrometer and thermocouples

Lube System

  • Lube oil heater
  • Drain group oil pans
  • Lubricating oil
  • Electric prelube pumps
  • Oil filters

Crankcase Systems

  • Explosive relief valves
  • Crankcase ventilation system

Mounting System

  • Rubber anti-vibration mounts
  • Spring type linear vibration isolators
  • IBC vibration isolators - Shipped loose

Special Tests / Reports

  • Generator test report
  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor
  • Standard genset TVA (Torsional Vibration Analysis) report
  • Custom genset TVA report
  • Special test charge - Engine only
  • Genset fuel consumption test
  • Standard engine test charge

Starting / Charging System

  • 24 Volt electric starting motors
  • Air starting motor
  • Air pressure regulator
  • Starter location covers
  • 24 Volt battery sets - Dry
  • 20 Amp battery chargers
  • 35 Amp battery chargers
  • 50 Amp battery chargers
  • Charging alternators - Dry
  • Jacket water heaters