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LP445D Engine

The LP445D is a 276 L 4-cylinder natural engine rated at 2500 rpm, producing up to 89.5 kW. It powers generator sets from Northern Lights. It holds 13.5 L (3.6 gal) of oil.

Also known as: LP445D

276.0 L
Displacement
4
Cylinders
2500 rpm
Rated speed
89 kW
Gross power

Engine specifications

Oil capacity13.5 L
Displacement276.0 L
Cylinders4
AspirationNatural
Rated speed2500 rpm
Gross power89 kW

Generator sets powered by this engine

1

Common problems

6
  • Shutdown is activated and temperature gauge shows within normal range
    Fix: Check the engine crankcase oil level. If low, fill with recommended lubricating oil and restart. Watch the oil pressure gauge carefully and shut off the engine if it does not show a normal reading after a few seconds of operation. If the oil level is normal, DO NOT restart the engine. Call your Northern Lights or Lugger dealer for assistance.
  • Engine temperature rises over 200°F (94°C)
    Fix: Shut down the engine and investigate the cause of overheating.
  • Engine temperature rises above 205°F (97°C)
    Fix: Shut off the engine immediately.
  • Engine failures
    Cause: Failures often occur in remote areas far from competent assistance.
  • Engine fails to start on first attempt
    Fix: Do not crank the starter for more than 15 seconds consecutively. Ensure the starter has stopped completely before re-engaging.
  • Battery charging regulator could be ruined
    Cause: Switch is turned OFF while the engine is running

Compiled from service & troubleshooting documentation across every generator set that uses the LP445D.

Maintenance schedule

ItemSpecCapacityPart #Interval
Air filter200 hr
Fuel filter200 hr
Oil filter200 hr
Battery
Belt200 hr
Coolant200 hr
Oil14.3 US qts (ltr)

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 LP445D?

The LP445D engine has an oil capacity of 13.5 liters.

What is the displacement of the LP445D?

The LP445D has a displacement of 276.0 liters with 4 cylinders.

Which generators use the LP445D engine?

The LP445D powers 1 generator set(s), including Northern Lights LP445D.

What is a common problem with the LP445D engine?

A commonly reported issue on generators using the LP445D is: Shutdown is activated and temperature gauge shows within normal range. Fix: Check the engine crankcase oil level. If low, fill with recommended lubricating oil and restart. Watch the oil pressure gauge carefully and shut off the engine if it does not show a normal reading after a few seconds of operation. If the oil level is normal, DO NOT restart the engine. Call your Northern Lights or Lugger dealer for assistance..