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Home›Engines›General Motors Industrial Powertrain Vortec 4.3 L

General Motors Industrial Powertrain Vortec 4.3 L Engine Engine

The General Motors Industrial Powertrain Vortec 4.3 L is a 4.3 L 6-cylinder natural aspiration engine rated at 1800 rpm, producing up to 44.8 kW. It powers generator sets from Hipower, Kohler, SDMO and Wincogen, including the HGM 40 T6U, 30-45REZG, 30RZG and 35RZ. It holds 5.7 L (1.5 gal) of oil and 19.7 L (5.2 gal) of coolant.

Also known as: General Motors Industrial Powertrain Vortec 4.3 L

4.3 L
Displacement
6
Cylinders
1800 rpm
Rated speed
44 kW
Gross power

Engine specifications

Oil capacity5.7 L
Coolant capacity19.7 L
Displacement4.3 L
Cylinders6
AspirationNatural Aspiration
Rated speed1800 rpm
Gross power44 kW

Generator sets powered by this engine

15

Shared across brands: Hipower, Kohler, SDMO, Wincogen

Hipower HGM 40 T6UKohler 30-45REZGKohler 30RZGKohler 35RZKohler 38RCLKohler 40ERESKohler 40REZGKohler 45ERESKohler 45REZGSDMO G 40SDMO G45Wincogen PSS40-17Wincogen PSS40-18Wincogen PSS40-3Wincogen PSS40-4

Common problems

2
  • Gas fuel leaks
    Fix: Check the LPG vapor or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to 6--8 ounces per square inch (10--14 inches water column). Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks.
  • Battery short circuits
    Fix: Disconnect the battery before generator set installation or maintenance.

Compiled from service & troubleshooting documentation across every generator set that uses the General Motors Industrial Powertrain Vortec 4.3 L.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filterCheck for dirt or restriction— find
Fuel filterAs recommended by OEM— find
Oil filter— find
BeltBelt, fan standardGM16132 Amazon eBay PartsGeek
Coolant50/50 antifreeze and water mixture, DexCool Long Life type, min 300F boiling point, -34F freezing point6.8—
OilSAE 10W-305.7 Qts—150 hr

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

Common questions

What is the oil capacity of the General Motors Industrial Powertrain Vortec 4.3 L?

The General Motors Industrial Powertrain Vortec 4.3 L engine has an oil capacity of 5.7 liters.

What is the displacement of the General Motors Industrial Powertrain Vortec 4.3 L?

The General Motors Industrial Powertrain Vortec 4.3 L has a displacement of 4.3 liters with 6 cylinders.

Which generators use the General Motors Industrial Powertrain Vortec 4.3 L engine?

The General Motors Industrial Powertrain Vortec 4.3 L powers 15 generator set(s), including Hipower HGM 40 T6U, Kohler 30-45REZG, Kohler 30RZG, Kohler 35RZ, Kohler 38RCL.

How often should you change the oil in the General Motors Industrial Powertrain Vortec 4.3 L?

The General Motors Industrial Powertrain Vortec 4.3 L oil change interval is every 150 hours.

What is a common problem with the General Motors Industrial Powertrain Vortec 4.3 L engine?

A commonly reported issue on generators using the General Motors Industrial Powertrain Vortec 4.3 L is: Gas fuel leaks. Fix: Check the LPG vapor or natural gas fuel system for leakage by using a soap and water solution with the fuel system test pressurized to 6--8 ounces per square inch (10--14 inches water column). Do not operate the generator set in the presence of fuel leaks, fuel accumulation, or sparks..