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Kohler 16.5EFORD Generator Set

The Kohler 16.5EFORD is a 16.5 kW (16.5 kVA) Diesel standby generator set powered by a Yanmar 4TNV84T engine. It operates at 60 Hz. It holds about 7.4 L (2.0 gal) of oil and 9.3 L (2.5 gal) of coolant. The same 4TNV84T engine also powers generator sets from Himoinsa.

16 kW
Standby
2.0 L
Displacement
7.4 L
Oil capacity
3
Document types

How to read your Kohler serial & model number →

Typical fuel consumption for 15–20 kW Diesel generators →

Compare with other 15–20 kW Diesel generators →

Service parts for the 16.5EFORD

Grouped by system, with how many of each the parts manual calls for.

Fuel system

1 required
3031131Fuel filtersee priceAmazon

Oil system

1 required
3031130Oil filter$7.98PartsGeek

Prices captured from merchant listings; some links are affiliate links. Confirm against your serial number before ordering.

Specifications

FuelDiesel
Frequency60.0 Hz
Standby power16 kW
Standby kVA16
EmissionsTier 4
ControllerADC 2100
Oil capacity7.4 L

Engine

Yanmar 4TNV84T
Oil capacity7.4 L
Coolant capacity9.3 L
Displacement2.0 L
AspirationTurbocharged
Rated speed1800 rpm

Maintenance & consumables

for the Yanmar 4TNV84T
ItemSpecCapacityPart #Interval
Air filterDry-type replaceable element air-cleaner
Fuel filter3031131 Amazon eBay KuduParts $20.00
Oil filter3031130 Amazon eBay PartsGeek $7.98
BatteryBattery, battery rack, and cables
BeltBelt driven charging alternator
Coolant
Oil
Spark plug

Compatible filters for the Yanmar 4TNV84T — cross-referenced via Donaldson. Options to verify against your serial number, not confirmed for this exact unit.

  • Air filter: Donaldson P772578 Donaldson P775298 Wix 42801 Wix 49592

Fault codes

2
CodeNameMeaningSeverityAction
CO-3Fault displayed if the CO parameter is set incorrectlyShutdown
CO-6Fault displayed if the CO parameter is set incorrectlyShutdown

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

Procedures

3
Controller Configuration adjustment

⚠ Be sure to save the new settings immediately before exiting the configuration mode; changes are lost if the controller times out (about 1 minute).

  1. Hold the Select button and move the master switch to RUN to enter configuration mode.
  2. Press the down arrow key then the up arrow key 3 times to enter configuration mode (password).
  3. Set the voltage/frequency parameter Uu for the model.
  4. Set the unit configuration parameter Uc (marine, standby, mobile).
  5. Set the engine type parameter Ec.
  6. Press the up arrow at the Adnc display to enter advanced configuration mode.
  7. Set the engine data input type Ed.
  8. Set the battery voltage Bt (12 or 24 VDC).
  9. Set the communications parameter Cn.
  10. Enter save mode and save your settings before exiting.
Output Voltage and Frequency Adjustment adjustment

⚠ The generator set must be running during these adjustments.

⚠ The engine speed (frequency) adjustment menus are not accessible on models with mechanical governors.

Tools: multimeter

  1. Move the master switch to RUN; the engine starts and runtime hours display.
  2. Hold the Select button about 5 seconds until the program version number displays.
  3. Press the down arrow key then the up arrow key 3 times to enter adjustment mode.
  4. 1P: adjust voltage coarse in large increments (approximately 5-7 volts per step).
  5. 2P: adjust voltage fine in smaller increments (approximately 0.5-0.7 volts per step).
  6. Adjust voltage stability (gain) coarse and fine.
  7. 3P: set volts/Hz (00=low, 09=high).
  8. 4P: adjust engine governor speed coarse and fine.
  9. 5P: adjust engine governor stability (gain) coarse and fine.
  10. Enter SAVE mode and save settings before exiting the adjustment mode.
Controller Replacement installation

⚠ Disconnect the battery cables before working on the generator set; remove the negative lead first and reconnect it last.

Tools: multimeter, personal computer with Program Loader Software

  1. Record generator set information required for configuration: model, market, voltage, frequency, phases, battery voltage.
  2. Place the generator set master switch in the OFF position.
  3. Disconnect power to the battery charger, if equipped.
  4. Disconnect the engine starting battery(ies), negative lead first.
  5. Open the junction box; disconnect the controller at P1, J15, and J16.
  6. Models ECD/EFCD, EGD/EFGD, EGZD only: disconnect the CO sensor harness at the 4-pin connector.
  7. Remove four controller mounting screws and remove the old controller.
  8. ECD/EFCD, EGD/EFGD, EGZD only: install CO sensor module assembly GM46362 on the back of the new controller GM47982.
  9. Install the new controller and secure with the mounting screws.
  10. Reconnect the P1, J15, and J16 connectors; connect the CO sensor harness on applicable models.
  11. Models 10/13/15EG, 10/13/15ERG, 15/30RES, 15/30RYG with S/N before 2053692: cut a 1-in. section of the gray/orange lead entering pin 9 at the ECM connector.
  12. Check that the generator set master switch is in the OFF position.
  13. Reconnect the engine starting battery, negative lead last.
  14. Reconnect power to the battery charger, if equipped.
  15. Check the controller application software version and load the latest application code if necessary.

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
100 VAC11Ph, 2WUu00; 60 Hz
100 VAC11Ph, 3WUu00; 60 Hz
100/200 VAC11Ph, 3WUu08; 60 Hz
110 VAC11Ph, 2WUu05; 50 Hz
110 VAC11Ph, 3WUu05; 50 Hz
110/190 VAC3WyeUu17; 50 Hz
110/220 VAC11Ph, 3WUu07; 50 Hz
110/220 VAC1DoglegUu07; 50 Hz
110/220 VAC3DeltaUu15; 50 Hz
115 VAC11Ph, 2WUu05; 50 Hz
115/200 VAC3WyeUu23; 50 Hz
115/230 VAC11Ph, 3WUu02; 50 Hz
115/230 VAC1DoglegUu06; 50 Hz
115/230 VAC3DeltaUu14; 50 Hz
120 VAC11Ph, 2WUu00; 60 Hz
120 VAC11Ph, 3WUu00; 60 Hz
120/208 VAC3WyeUu11; 60 Hz
120/240 VAC11Ph, 3WUu01; 60 Hz
120/240 VAC1DoglegUu01; 60 Hz
120/240 VAC3DeltaUu10; 60 Hz
127/220 VAC3WyeUu16; 60 Hz
139/240 VAC3WyeUu10; 60 Hz
220 VAC11Ph, 2WUu12; 50 Hz
220/380 VAC3WyeUu19; 60 Hz
230 VAC11Ph, 2WUu02; 50 Hz
230/400 VAC3WyeUu03; 50 Hz
240 VAC11Ph, 2WUu13; 50 Hz
240/416 VAC3WyeUu20; 60 Hz
277/480 VAC3WyeUu04; 60 Hz

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 power rating of the Kohler 16.5EFORD?

The Kohler 16.5EFORD is rated 16 kW standby (16.5 kVA).

What engine is in the Kohler 16.5EFORD?

The Kohler 16.5EFORD is powered by the Yanmar 4TNV84T engine.

What kind of fuel does the Kohler 16.5EFORD run on?

The Kohler 16.5EFORD runs on Diesel.

How much oil does the Kohler 16.5EFORD take?

The Yanmar 4TNV84T engine in the Kohler 16.5EFORD has an oil capacity of 7.4 liters.

What oil filter fits the Kohler 16.5EFORD?

The Kohler 16.5EFORD uses oil filter part number 3031130.

What fuel filter does the Kohler 16.5EFORD use?

The Kohler 16.5EFORD uses fuel filter part number 3031131.

What air filter does the Kohler 16.5EFORD use?

The Kohler 16.5EFORD uses air filter part numbers Donaldson P772578, Donaldson P775298.

Parts

15model family
Part #DescriptionQtySystem
GM32112-KA1Oil pressure sender kit (also -KP1)Sensor buy
GM35299-KA1Sender kit (also -KP1)Sensor buy
GM45891-KA1OP and WT sender kitSensor buy
GM46362CO sensor module assembly1Sensor buy
GM50552-KA1Oil pressure sender kitSensor buy
GM28483SCR moduleService part / kit FridayParts $258.90
GM28707Controller Assy ADC 21001Service part / kit buy
GM32337-KP1Remote Digital Gauge for MarineService part / kit buy
GM32337-KP2Remote Digital Gauge for Mobile and Residential/CommercialService part / kit buy
GM42037Controller Assy ADC 21001Service part / kit buy
GM46035-KP1Three-Inch Digital GaugeService part / kit buy
GM46308-KP1Electronic governor kitService part / kit buy
GM47164-KP1Electronic governor kitService part / kit buy
GM47982Controller Assy ADC 21001Service part / kit buy
GM50822-KP1Two-Inch Digital GaugeService part / kit buy

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
25%2.80.73
50%4.11.07
75%5.61.49
100%7.31.93

Available documents

Spec sheet (Kohler)Reference (Kohler)Service manual — tt1364 (Kohler)
Full service, cheapest listings

Priced items from this model's own parts manual.

Oil filter 3031130$7.98
1 priced item$7.98