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Graco 18B439 Motor, Kohler 25Hp Lp Efi

$8,371.02
$10,490.00
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Part #: 18B439

25HP Kohler LP EFI engine delivering reliable, clean-burning power for Graco mid-range line striping and pavement marking systems.

  • OEM part number: 18B439
  • Liquid propane electronic fuel injection (EFI) engine
  • Compatible with Graco LineLazer HP, FieldLazer, and ThermoLazer systems
  • Provides stable torque for continuous contractor operation
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Compact LP EFI Power Unit for Professional Graco Equipment

Compatible Machines

Equipment Series Machine Type Application Role
Graco LineLazer HP Series Professional line striping systems Primary engine for mid-range pavement marking units
Graco FieldLazer Systems Walk-behind striping machines Provides propulsion and spray system power
Graco ThermoLazer Platforms Thermoplastic marking equipment Supports controlled output for LP fuel systems
Graco Contractor Striping Rigs Mobile marking equipment Engine power source for propane (LP) configurations

What is Graco 18B439 Motor, Kohler 25Hp LP EFI?

The Graco 18B439 Motor, Kohler 25Hp LP EFI is a liquid propane–powered electronic fuel injection engine designed for Graco’s mid-range line striping and pavement marking systems. It delivers efficient, clean-burning performance with consistent torque output for contractor-grade applications.

This engine is commonly used in equipment requiring reliable LP fuel operation, offering improved fuel efficiency, reduced emissions, and stable performance under continuous workload conditions. Its EFI system enhances starting reliability and precise fuel delivery across varying job site conditions.

Identified under OEM part number 18B439, it is engineered for seamless integration with compatible Graco striping platforms requiring a 25HP LP engine configuration.

Key Performance Features

  • Engine Type: Kohler 25HP LP EFI (liquid propane injection system)
  • Fuel System: Electronic fuel injection for consistent performance
  • Application: Mid-range line striping and pavement marking systems
  • Efficiency: Clean-burning LP operation with reduced emissions

Frequently Asked Questions

It provides propulsion and operational power for Graco mid-range line striping and marking equipment.

Yes, the LP EFI system optimizes fuel delivery for improved efficiency and reduced fuel waste.

It is used in Graco LineLazer HP series, FieldLazer systems, ThermoLazer platforms, and compatible striping rigs.

LP fuel provides cleaner combustion, lower emissions, and more stable engine operation in industrial environments.

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