HomeEnginesFord LRG 425

Ford LRG 425 Engine Engine

The Ford LRG 425 is a 2.5 L 4-cylinder natural engine rated at 1500 rpm, producing up to 31 kW. It powers generator sets from FG Wilson and Kohler, including the FG17P1S, FG20E1S, FG22P1 and FG25E1. It holds 4.7 L (1.2 gal) of oil and 15.1 L (4.0 gal) of coolant.

Also known as: Ford LRG 425

2.5 L
Displacement
4
Cylinders
1500 rpm
Rated speed
31 kW
Gross power

Engine specifications

Oil capacity4.7 L
Coolant capacity15.1 L
Displacement2.5 L
Cylinders4
AspirationNatural
Rated speed1500 rpm
Gross power31 kW

Generator sets powered by this engine

6

Shared across brands: FG Wilson, Kohler

This engine also powers 7 machine(s) on Power Equipment Info.

Aftermarket parts that fit this engine

44

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

Filters for this engine

  • Air filter: Ford 9131141 Donaldson P181052 Donaldson P822768 Wix 42222 Ac Delco A1430C Wix 46489
  • Oil filter: Ford 9576P550008 Ford VSG413 Donaldson P550008 Donaldson P550400 Wix 51775 Ac Delco X29 Wix 51516 Ac Delco PFL400A

Cross-referenced via Donaldson + OEM/engine-maker interchange — options to verify against your serial number, not confirmed for every exact variant.

Also used in

9
  • Genie GS-4390RT — Scissor Lift
  • Genie GS-5390RT — Scissor Lift
  • Genie S-40 — Boom Lift
  • Genie S-45 — Boom Lift
  • Genie Z-45/25 — Boom Lift
  • Jlg 450A — Boom Lift
  • Jlg 450AJ — Boom Lift
  • Jlg 740AJ — Boom Lift
  • Terex TB60 — Crane Mobile

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 Ford LRG 425?

The Ford LRG 425 engine has an oil capacity of 4.7 liters.

What is the displacement of the Ford LRG 425?

The Ford LRG 425 has a displacement of 2.5 liters with 4 cylinders.

Which generators use the Ford LRG 425 engine?

The Ford LRG 425 powers 6 generator set(s), including FG Wilson FG17P1S, FG Wilson FG20E1S, FG Wilson FG22P1, FG Wilson FG25E1, Kohler 20 RZ.

What oil filter does the Ford LRG 425 use?

The Ford LRG 425 uses oil filter part numbers Ford 9576P550008, Ford VSG413, Donaldson P550008.

What air filter does the Ford LRG 425 use?

The Ford LRG 425 uses air filter part numbers Ford 9131141, Donaldson P181052, Donaldson P822768.