336 Excavator

  • Specs Summary

3412C Generator Set

Caterpillar is leading the power generation marketplace with Power Solutions engineered to deliver unmatched flexibility, expandability, reliability, and cost-effectiveness.

Standard Equipment

Air Inlet System

  • Air cleaner, single element canister type with service indicator

Control Panel

  • EMCP 4.2
  • Run / Auto / Stop Control
  • Speed adjust
  • Voltage adjust
  • Engine cycle crank
  • Emergency stop pushbutton
  • Features:
  • 24-volt DC operation
  • Environmental sealed front face
  • Text alarm / event descriptions
  • Digital indication for:
  • RPM
  • DC volts
  • Operating hours
  • Oil pressure (psi, kPa or bar)
  • coolant temperature
  • Volts (L-L & L-N)
  • Frequency (Hz)
  • Amps (per phase & average)
  • Power Factor (per phase & average)
  • kW (per phase, average & percent)
  • kVA (per phase, average & percent)
  • kVAr (per phase, average & percent)
  • kW-hr (total)
  • Warning / shutdown with common LED indication of shutdowns for:
  • Low oil pressure
  • High coolant temperature
  • Overspeed
  • Emergency stop
  • Failure to start (overcrank)
  • Low coolant temperature
  • Low coolant level
  • Programmable protective relaying functions:
  • Generator phase sequence
  • Over / under voltage (27 / 59)
  • Over / under Frequency (81 o/u)
  • Reverse power (kW) (32)
  • Reverse reactive power (kVAr) (32RV)
  • Overcurrent (50 / 51)
  • Communications
  • Customer data link (Modbus RTU)
  • Accessory module data link
  • Serial annunciator module data link
  • 6 programmable digital inputs
  • 4 programmable relay outputs (Form A)
  • 2 programmable relay outputs (Form C)
  • 2 programmable digital outputs
  • Compatible with the following optional modules:
  • Digital I/O module
  • Local annunciator
  • Remote CAN annunciator
  • Remote Serial annunciator
  • Generator temperature monitoring module

Cooling System

  • Radiator with guard (Sized for 50 degrees C)
  • Coolant drain line with valve, piped to edge of base
  • Fan and belt guards
  • Caterpillar Extended Life Coolant
  • Coolant level shutdown

Exhaust System

  • Stainless steel exhaust flex with ANSI style outlet flange, gasket, bolts and mating weld flange, shipped loose

Fuel System

  • Primary and secondary fuel filters
  • Fuel priming pump
  • Flexible fuel lines terminated on base
  • Water seperator

Generator and Attachments

  • SR4B self excited
  • Class H insulation
  • Class F temerature rise
  • 12 lead
  • VR6 Voltage Regulator
  • 3-phase sensing
  • 2:1 Volts/Hz
  • Reactive droop
  • Bus bar termination

Governing System

  • Cat electronic governor

Lube System

  • Lubricating oil
  • Oil filter
  • Oil drain line with valve, piped to edge of base
  • Fumes disposal, piped to front of radiator

Mounting System

  • Base, formed steel with linear vibration isolators between base and engine-generator

Starting / Charging System

  • 45 amp charging alternator
  • Fuel shutoff solenoid
  • 24 volt starting motor
  • Battery with rack, cables

Optional Equipment

Air Inlet System

  • Duel element air cleaners
  • Heavy duty air cleaners
  • Open element air cleaners

Circuit breakers

  • 1250, 1600 Amp, 3 pole, IEC 100% rated, 24 volt DC shunt trip
  • 1600 Amp, 3 pole, Non-UL, 100% rated, 24 volt DC shunt trip

Control Panel

  • EMCP 4.3
  • EMCP 4.4
  • Vandal proof panel door
  • Common alarm / shutdown relay
  • Generator running VFC
  • Generator temperature monitoring package
  • Ground fault relay
  • First local annunicators
  • Remote custom annunicators
  • Local discrete I/O package

Cooling System

  • Radiator duct flange
  • Jacket water heaters

European Certifications

  • Eurasian conformity (EAC) mark

Exhaust System

  • Mufflers
  • Elbow kit
  • Through wall installation kit
  • Manifold and turbocharger guard

Generator and Attachments

  • Permanent magnet excitation
  • Digital voltage regulator
  • Space heater
  • Oversize and premium generators

Lube System

  • Manual sump pump

Mounting System

  • Fuel tank base (1200 ltr)

Special Tests / Reports

  • PGS test report @ 1.0 power factor
  • PGS test report @ 0.8 power factor

Starting / Charging

  • Battery chargers
  • Oversize batteries
  • Battery disconnect switch
  • Heavy-duty starting system

Governing System

  • Electronic load share