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Graco 16U399 13HP Gas Engine Electric Start 18 Amp

The Graco 16U399 13HP Gas Engine Electric Start 18 Amp is a powerful OEM replacement engine designed for heavy-duty Graco Big-Rig sprayers.

  • 13HP gas engine
  • Electric start
  • 18-amp output
  • Fits GH Series & Xtreme rigs
  • Built for industrial performance

Retail Price: $3800
You save: $608 (16.00%)
Our Price: $3192
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Graco 16U399 13HP Gas Engine Electric Start 18 Amp – Product Details

Compatible Machines

This replacement engine fits heavy-duty Graco Big-Rig sprayers designed for high-output performance.

  • GH Series Big-Rig Sprayers (such as GH733ES, GH833, GH5040ES)
  • Xtreme Series Large-Capacity Pump Rigs
  • Industrial High-Volume Hydraulic Sprayer Platforms using 13HP power units

Product Overview

The Graco 16U399 13HP Gas Engine Electric Start 18 Amp is a genuine OEM power unit engineered for professional, high-demand spray rigs. Designed for durability and long run-time, this engine provides reliable power for large commercial sprayers that require more performance than standard electric machines.

This 13HP gas engine includes an electric-start system and an 18-amp charging output, ensuring smooth starts and consistent operation in demanding environments. It is commonly used in commercial and industrial applications where strong torque and extended duty cycles are essential.

Key Features

  • 13 Horsepower gas engine for high-demand spray rigs
  • Electric start for easy ignition
  • 18-amp charging output to support system electronics
  • OEM replacement engine for Graco Big-Rig sprayers
  • Built for continuous heavy-duty use

Technical Specifications

Part Number 16U399
Engine Power 13 HP Gas Engine
Start Type Electric Start
Output 18 Amp
Application Commercial & Industrial High-Volume Sprayers

Frequently Asked Questions

This engine is typically used on Graco Big-Rig and industrial hydraulic sprayers that require high torque and sustained power output.

Yes, it is an original Graco part designed to replace the factory engine on compatible Big-Rig sprayer models.

The built-in 18-amp system provides the necessary charging support, but wiring setup depends on the sprayer frame. Most compatible rigs accept the engine without modification.

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