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Isuzu 4LE Engine

The Isuzu 4LE is a 2.2 L 4-cylinder naturally aspirated engine rated at 1800 rpm. It powers generator sets from Westquip, including the WQ20 and WQ25LT.

Also known as: Isuzu 4LE

2.2 L
Displacement
4
Cylinders
1800 rpm
Rated speed

Engine specifications

Displacement2.2 L
Cylinders4
AspirationNaturally Aspirated
Rated speed1800 rpm

Generator sets powered by this engine

2
Westquip WQ20Westquip WQ25LT

Maintenance schedule

ItemSpecCapacityPart #Interval
Oil500-hour oil drain & service interval500 hr

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

Also used in

10
  • Hitachi EX40U — Excavator Compact
  • Hitachi EX50U — Excavator Compact
  • Hitachi EX55UR-3 — Excavator Compact
  • Hitachi EX58MU — Excavator Compact
  • Hitachi ZX40U — Excavator Compact
  • Hitachi ZX50U — Excavator Compact
  • Kobelco SK75 — Excavator
  • Kobelco SK80 — Excavator Tracked
  • Sany SY70C — Excavator
  • Sany SY75C — Excavator

Other equipment known to use this engine, via filter-application cross-reference — useful for sourcing parts even when your exact machine isn't listed elsewhere on this page.

Common questions

What is the displacement of the Isuzu 4LE?

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

Which generators use the Isuzu 4LE engine?

The Isuzu 4LE powers 2 generator set(s), including Westquip WQ20, Westquip WQ25LT.

How often should you change the oil in the Isuzu 4LE?

The Isuzu 4LE oil change interval is every 500 hours.