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Home›Engines›Perkins 100 Series

Perkins 100 Series Engine

The Perkins 100 Series is a 1.27 L 3-cylinder naturally aspirated engine. It powers generator sets from Perkins, including the M002T54085 and M002T54091. It holds 5.8 L (1.5 gal) of oil and 2.5 L (0.7 gal) of coolant.

Also known as: Perkins 100 Series

1.267 L
Displacement
3
Cylinders
5.8 L
Oil capacity
On this pageSpecsGenerator setsMaintenanceFAQ

Engine specifications

Oil capacity5.8 L
Coolant capacity2.5 L
Displacement1.267 L
Cylinders3
Aspirationnaturally aspirated

Generator sets powered by this engine

2
Perkins M002T54085Perkins M002T54091

This engine also powers 191 machine(s) on Power Equipment Info.

How to read your Perkins engine serial & model number →

Common problems

15
  • Unstable charging Wiring Disconnection or breakage of wire
    Fix: Replace
  • Shortage of stator coil, breakage of wire
    Fix: Replace
  • Short of stator coil
    Fix: Replace
  • Short of rotor coil, breakage of wire
    Fix: Replace
  • Short circuit.
    Fix: Remove the connector and measure the resistance of each plug terminal and earth with a tester. The tester reading should be 0.7 + 0.160. Resistance of 0 indicates short circuit.
  • Rotor core and stator core in contact
    Fix: Correct
  • Regulator Defective regulator
    Fix: Replace
  • Pinion fails to advance when key switch is closed.
    Cause: Wiring Open circuit, battery and switch terminal connections loose, improper insertion, and other defective contact.
    Fix: (1) Repair and retighten (2) Replace fusible link Key switch No current flow due to defective contact. Correct contacting part or replace.
  • Overcharge Battery Internal short circuit
    Fix: Replace
  • No charging
    Cause: Wiring, ammeter Disconnection, short circuit, loosened connection
    Fix: Correct
  • Layer short of stator coil
    Fix: Replace
  • Layer short of rotor coil
    Fix: Replace
  • Insufficient Wiring Disconnection, short circuit, loosened connection
    Fix: Correct
  • Insufficient contact to alternator and regulator
    Fix: Correct
  • Insufficient contact of terminals
    Fix: Correct

Compiled from service & troubleshooting documentation across every generator set that uses the Perkins 100 Series.

Maintenance schedule

ItemSpecCapacityPart #Interval
Fuel filter—
Oil filter—
Battery—
Belt—
Coolant—
Oil—

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

Aftermarket parts that fit this engine

4
SBA185206085 FridayParts $32.31 3525A141 FridayParts $92.56 115017310 FridayParts $77.56 165106350 FridayParts $405.56

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

Also used in

1
  • Komatsu PC10-6F — Excavator Compact

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 oil capacity of the Perkins 100 Series?

The Perkins 100 Series engine has an oil capacity of 5.8 liters.

What is the displacement of the Perkins 100 Series?

The Perkins 100 Series has a displacement of 1.267 liters with 3 cylinders.

Which generators use the Perkins 100 Series engine?

The Perkins 100 Series powers 2 generator set(s), including Perkins M002T54085, Perkins M002T54091.

What is a common problem with the Perkins 100 Series engine?

A commonly reported issue on generators using the Perkins 100 Series is: Unstable charging Wiring Disconnection or breakage of wire. Fix: Replace.