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Doosan D111TIC Engine

The Doosan D111TIC is a 11.05 L 6-cylinder turbocharged, aftercooled engine rated at 1800 rpm, producing up to 225 kW. It powers generator sets from Generac, Kohler and Magnum, including the MGG210, 180REZX, 180RZXB and 200REZX. It holds 27 L (7.1 gal) of oil and 116 L (30.6 gal) of coolant.

Also known as: Doosan D111TIC

11.05 L
Displacement
6
Cylinders
1800 rpm
Rated speed
225 kW
Gross power
On this pageSpecsGenerator setsMaintenanceFAQTorque & specsWiring

Engine specifications

Oil capacity27.0 L
Coolant capacity116.0 L
Displacement11.05 L
Cylinders6
AspirationTurbocharged, Aftercooled
Rated speed1800 rpm
Gross power225 kW

Common problems

15
  • Low Output Voltage
    Cause: Low engine speed
    Fix: Verify engine RPM
  • Output Voltage Varies
    Cause: Irregular speed (fixed speed mode)
    Fix: Check engine for malfunction or load for fluctuation
  • Engine Cranks But Will Not Start
    Cause: No fuel
    Fix: Check that fuel valves are open
  • Voltage Or Current Metering Is Incorrect
    Cause: Controller programmed values are wrong
    Fix: Verify the controller programmed values are correct for the voltage sensing PT ratio and/or current sensing CT ratio
  • Mechanical Noise
    Cause: Internal failure of alternator
    Fix: Contact service
  • No Output Voltage
    Cause: Circuit breaker tripped or failed
    Fix: Reset circuit breaker or replace if required
  • No "RUN" Output Signal
    Cause: "Shutdown Faults" not reset
    Fix: All shutdown faults must be reset (red shutdown LED must be off)
  • LCD Display Cannot Be Viewed
    Cause: Improper supply voltage
    Fix: Check DC supply voltage at terminals B+ & B- (10-30VDC)
  • Generator voltage unbalance alarm is based on Gener protect: Gen V unbal and Gen V unb del setpoints. The voltage unbalance is calculated as a maximum difference between phase voltages Gen V unbal
  • Engine Will Not Crank (Electric Start)
    Cause: Dead battery
    Fix: Remove batteries and trickle charge. Never jump start. Even if only one battery is bad, it is recommended that both batteries be replaced at the same time
  • Engine Temperature Or Oil Pressure Display Is Incorrect
    Cause: Failed engine sensor
    Fix: Verify engine sensors. NOTE: Engine sensors must be factory supplied units only
  • Engine Overheats
    Cause: Excessive load
    Fix: Remove one or more electrical loads
  • Electrical Shock When Frame Is Touched
    Cause: Static charge
    Fix: Ground generator frame at local reference ground
  • Controller Does Not Power Up Even With Correct DC Power Applied
    Cause: Wiring mistake
    Fix: Check that there are no wiring errors/short circuits connected to the controller
  • Controller Cannot Be "Reset"
    Cause: Engine not stopped
    Fix: Verify the engine is at a complete stop before trying to reset

Compiled from service & troubleshooting documentation across every generator set that uses the Doosan D111TIC.

Maintenance schedule

ItemSpecCapacityPart #Interval
Oil filterCartridge—
Coolant116.0 L—
Oil27.0 L—

Pooled from every document that names this exact engine — confirm the interval and part number against your unit's serial number.

Service specifications

30
TypeItemValueUnitCondition
Other10 in. weld flange bolt circle diameter B361.95mm (14.25 in.)
Other10 in. weld flange outside diameter C406.4mm (16.0 in.)
Other10 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other12 in. weld flange bolt circle diameter B431.80mm (17.00 in.)
Other12 in. weld flange outside diameter C482.6mm (19.0 in.)
Other12 in. weld flange quantity of bolts / bolt hole diameter D12, 25.40mm (1.00 in.)
Other14 in. weld flange bolt circle diameter B476.25mm (18.75 in.)
Other14 in. weld flange outside diameter C533.4mm (21.0 in.)
Other14 in. weld flange quantity of bolts / bolt hole diameter D12, 28.58mm (1.13 in.)
Other16 in. weld flange bolt circle diameter B539.75mm (21.25 in.)
Other16 in. weld flange outside diameter C596.9mm (23.5 in.)
Other16 in. weld flange quantity of bolts / bolt hole diameter D16, 28.58mm (1.13 in.)
Other18 in. weld flange bolt circle diameter B577.85mm (22.75 in.)
Other18 in. weld flange outside diameter C635.0mm (25.0 in.)
Other18 in. weld flange quantity of bolts / bolt hole diameter D16, 31.75mm (1.25 in.)
Other20 in. weld flange bolt circle diameter B635.00mm (25.00 in.)
Other20 in. weld flange outside diameter C698.5mm (27.5 in.)
Other20 in. weld flange quantity of bolts / bolt hole diameter D20, 31.75mm (1.25 in.)
Other5 in. weld flange bolt circle diameter B215.90mm (8.50 in.)
Other5 in. weld flange outside diameter C241.30mm (9.50 in.)
Other5 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other6 in. weld flange bolt circle diameter B254.0mm (10.0 in.)
Other6 in. weld flange outside diameter C279.4mm (11.0 in.)
Other6 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
Other8 in. weld flange bolt circle diameter B298.45mm (11.75 in.)
Other8 in. weld flange outside diameter C342.9mm (13.5 in.)
Other8 in. weld flange quantity of bolts / bolt hole diameter D8, 22.23mm (0.88 in.)
OtherWeld flange angle A (10, 12, 14 in. nominal pipe size)30deg.
OtherWeld flange angle A (16, 18, 20 in. nominal pipe size)22.5deg.
OtherWeld flange angle A (5, 6, 8 in. nominal pipe size)45deg.

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Voltage reconnection

VoltagePhaseConnectionLeadsNotes
12-lead optional voltage connections12Alternator optional feature
4-lead dedicated voltages4Alternator standard feature
110/127/139/240/254/277single-phaseswitchableTowable generator model specifications; some models n/a
208/220/240/415/440/4803-phasereconnectableTowable generator model specifications
208/220/240/415/440/4803-phaseswitchableTowable generator model specifications

Extracted from the manufacturer documentation linked to this model. Values are copied as printed; confirm against your unit's manual and serial number.

Common questions

What is the oil capacity of the Doosan D111TIC?

The Doosan D111TIC engine has an oil capacity of 27.0 liters.

What is the displacement of the Doosan D111TIC?

The Doosan D111TIC has a displacement of 11.05 liters with 6 cylinders.

Which generators use the Doosan D111TIC engine?

The Doosan D111TIC powers 6 generator set(s), including Generac MGG210, Kohler 180REZX, Kohler 180RZXB, Kohler 200REZX, Kohler 200RZXB.

What is a common problem with the Doosan D111TIC engine?

A commonly reported issue on generators using the Doosan D111TIC is: Low Output Voltage. Cause: Low engine speed. Fix: Verify engine RPM.