HomeEngines12V-2000 G81 (R123-7K36)

12V-2000 G81 (R123-7K36) Engine

The 12V-2000 G81 (R123-7K36) is a 23.9 L 12-cylinder turbocharged engine rated at 1800 rpm, producing up to 836 kW. It powers generator sets from Katolight, including the D750FJX4, D750FNX4, D750FPX4 and D750FRX4. It holds 94.1 L (24.9 gal) of oil and 66.2 L (17.5 gal) of coolant.

Also known as: 12V-2000 G81 (R123-7K36)

23.9 L
Displacement
12
Cylinders
1800 rpm
Rated speed
836 kW
Gross power

Engine specifications

Oil capacity94.1 L
Coolant capacity66.2 L
Displacement23.9 L
Cylinders12
AspirationTurbocharged
Rated speed1800 rpm
Gross power836 kW

Voltage reconnection

VoltagePhaseConnectionLeadsNotes
120/208312 LEAD LOW WYE12Model D750FPX4
120/240312 LEAD HI DELTA12Model D750FJX4
2400/416036 LEAD WYE6Model D750FSX4
277/480310 LEAD HI WYE10Model D750FRX4
347/60034 LEAD WYE4Model D750FNX4

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 12V-2000 G81 (R123-7K36)?

The 12V-2000 G81 (R123-7K36) engine has an oil capacity of 94.1 liters.

What is the displacement of the 12V-2000 G81 (R123-7K36)?

The 12V-2000 G81 (R123-7K36) has a displacement of 23.9 liters with 12 cylinders.

Which generators use the 12V-2000 G81 (R123-7K36) engine?

The 12V-2000 G81 (R123-7K36) powers 5 generator set(s), including Katolight D750FJX4, Katolight D750FNX4, Katolight D750FPX4, Katolight D750FRX4, Katolight D750FSX4.