Isuzu 4LE2 Engine Engine

Name: Isuzu 4LE2 Engine
Brand: Isuzu

The Isuzu 4LE2 is a 2.2 L 4-cylinder direct injection engine rated at 3000 rpm, producing up to 29.7 kW. It powers generator sets from Doosan and Isuzu, including the L20 and IDE-6450A. It holds 8.6 L (2.3 gal) of oil and 3 L (0.8 gal) of coolant.

2.2 L

Displacement

Cylinders

3000 rpm

Rated speed

29 kW

Gross power

Engine specifications

Oil capacity	8.6 L
Coolant capacity	3.0 L
Displacement	2.2 L
Cylinders	4
Aspiration	Direct Injection
Rated speed	3000 rpm
Gross power	29 kW

Generator sets powered by this engine

Shared across brands: Doosan, Isuzu

Doosan L20Isuzu 4LE2Isuzu IDE-6450A

Troubleshooting

Fault codes

Code	Meaning
F	Battery overdischarge

Symptoms & remedies

Symptom	Cause
Charging failure	Faulty alternator.
Low speed driving	Excessive electrical loads - Insufficient battery capacity.
Excessive oil consumption	Wrong selection of kind and viscosity. Improper installation of filter and piping. Incorrect injection timing. Incorrect injection pressure. Injection nozzle malfunction. Incorrect valve clearance adjustment. Cylinder compression pressure leakage. Poor cylinder compression pressure. Insufficient air intake amount. Air cleaner clogging. Such as inferior ventilation.
Engine overheat	Insufficient coolant amount. Fan belt slippage. Thermostat malfunction. Cooling system defect. Radiator filler cap malfunction. Cooling system interior fouled. Radiator clogging. Engine over-loaded. Air cleaner element clogging. Insufficient ventilator. Stopped coolant flow (high concentration of antifreezer, etc.). Lack of oil. Improper oil - Wrong selection of kind and viscosity. Low oil pressure. High coolant temperature.

Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.

Aftermarket parts that fit this engine

4445483 FridayParts $230.99 4402035 FridayParts $230.99 4LE2 yemparts $30.72 EX55UR-3 yemparts $42.24 ZX55UR yemparts $46.33 ZX55UR-HHE yemparts $138.99 ZAX55 kuduparts $219.00 ZAXIS55 kuduparts $219.00 8980305740 FridayParts $688.99 ZX70-3 yemparts $34.11 ZX75UR-3 yemparts $34.11 ZX75US-3 yemparts $34.11 ZX80LCK-3 yemparts $34.11 ZX85US-3 yemparts $34.11 ZX85USB-3 yemparts $34.11 8973295680 FridayParts $40.13 EX27U yemparts $45.77 EX30U yemparts $45.77 EX35U yemparts $45.77 EX40U yemparts $46.33 EX50U yemparts $30.72 ZX27U yemparts $30.72 ZX30U yemparts $35.50 ZX35U yemparts $35.50 ZX40U yemparts $46.33 ZX50U yemparts $46.33 3LA1 yemparts $30.72 3LB1 yemparts $30.72 3LD1 yemparts $30.72 3LD2 yemparts $30.72 4LB1 yemparts $30.72 4LE1 yemparts $30.72 17/932200 FridayParts $40.99 8065RTS yemparts $46.33 8055ZTS yemparts $46.33 8055RTS yemparts $46.33 8065ZTS yemparts $46.33 8972091152 FridayParts $67.83 4LE2X yemparts $92.46 MV2-40 FridayParts $67.83 EX4U sinocmp $79.00 EX55 sinocmp $49.00 EX58 yemparts $92.46 CX75CSR yemparts $34.11 CX75 kuduparts $55.00 CX80 yemparts $34.11 CX75SR yemparts $34.11 E80BMSR yemparts $34.11 E70BSR yemparts $34.11 ZX75USK-3 yemparts $252.72 75SR yemparts $46.33 SK70 yemparts $134.95 SK80 find 80CS yemparts $43.61 SK80CS-2 yemparts $34.11 70SR yemparts $34.11 SK70SR-2 yemparts $34.11 45NX sinocmp $49.00 DCA25 find DCA-10SS find

Parts listed by aftermarket suppliers as fitting this engine — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What is the oil capacity of the Isuzu 4LE2?

The Isuzu 4LE2 engine has an oil capacity of 8.6 liters.

What is the displacement of the Isuzu 4LE2?

The Isuzu 4LE2 has a displacement of 2.2 liters with 4 cylinders.

Which generators use the Isuzu 4LE2 engine?

The Isuzu 4LE2 powers 3 generator set(s), including Doosan L20, Isuzu 4LE2, Isuzu IDE-6450A.