OWP Engines

Replacement Engines 400 Series

Our 400 Series is a proven family of engines designed to give optimized performance and robust technology for the smaller, compact engine sector. Our industrial engines in the series are a world engine, manufactured on three continents. They’re designed to meet global emissions standards, from unregulated to EU Stage V/U.S. EPA Tier 4 Final. Electric power engines in the series achieve regulated and unregulated emission standards globally.

In addition to their optimized performance, our 400 Series engines are known for their reliability and durability, making them a trusted choice for various applications. The advanced engineering and robust construction ensure they can withstand the demanding conditions of different environments. Whether for industrial or electric power use, these engines deliver consistent and efficient performance, complying with the latest emission regulations worldwide. Our commitment to innovation and quality guarantees that the 400 Series engines provide a dependable solution for your power needs, backed by our global manufacturing excellence.

In the event that your Service Replacement Perkins engine arrives without the core return tag, click on the link to download and print a tag. Fill out the tag and securely attach it to the engine core before shipping.

Download SRE Core Tag

New Replacement Engines

New Replacement IOPU

Perkins replacement diesel engines are trusted by more than 1,000 leading OEMs to power equipment used in a wide variety of markets, including construction, agriculture, material handling, oil and gas, and rental. Their reliability is renowned around the world. Each Perkins engine is designed with advanced features that improve the productivity and performance of your equipment, and engineered to be highly durable.

403D-15
25-34 HP
Liters1.5
Cylinders3
EmissionsEPA Tier 4i
404D-22
42-51 HP
Liters2.2
Cylinders4
EmissionsEPA Tier 4i
404D-22T
49-61 HP
Liters2.2
Cylinders4
EmissionsEPA Tier 4i

Perkins replacement Industrial Open Power Units are engineered to be a plug-and-play solution for your equipment. All are available with multiple build configurations to match your power needs, and are built with an innovative design that decreases both integration downtime and application engineering costs. The advanced common-rail and mechanical fuel system technology in these engines delivers high power density and excellent fuel economy.

404D-22 IOPU
42-50 HP
Liters2.2
Cylinders4
EmissionsEPA Tier 4i

download specs

404D-22T IOPU
42-60 HP
Liters2.2
Cylinders4
EmissionsEPA Tier 4i

download specs