See the industry-leading Cat® Industrial Diesel Power Units (IPUs) engine range.
See the industry-leading Cat® Industrial Diesel Power Units (IPUs) engine range.

The Complete Cat® Industrial Power Unit (IPU) Engine Lineup

For ease of installation, the Cat® lineup of IPU engines are ready to install into your machine with minimal engineering or design work. The lineup covers a full range of power from C1.7 - C32 and come with full aftertreatment mounting, an integrated cooling system, a full wiring harness and mounting for the ECM and fuel filter for hassle-free installation.

When looking for your next power system, consider the lineup of Cat IPU engines. Built for a range of industries and applications, the full range of Cat Industrial Power Units deliver powerful performance in a ready-to-go package.

See The Full Lineup

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The Full Cat IPU Engine Lineup

Powerful Performance
In a Ready-To-Go Package.

Since pairing install flexibility with industry-leading Cat engine performance, all you need to do is drop in and go with any engine from the full IPU lineup. Each Cat IPU engine comes complete with cooling pack, electronic control systems, and aftertreatment. With reduced Application and Installation process required for an IPU engine, you'll quickly get to work in any OEM application.

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Plug and go engines that are ready when you are
Plug and go engines that are ready when you are

High-Performance Engines. 
High-Efficiency Solutions.

Quicker engine installs? You got it. With no separate cooling or aftertreatment hardware required, you won’t need to worry about wasting time or labor. To suit different applications, we have various flywheel and flywheel housing options available. With all Cat IPU engines, you’ll be equipped with the complete Cat performance advantage and a Cat engineered installation package.

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Highly integrated engine solutions
Highly integrated engine solutions

Meets Emission Standards
With Power You Trust.

When designing the full Cat IPU lineup, engineering a high-power solution that meets EU Stage V emission standards was at the forefront of thought. As a result you see technology such as common rail direct injection fuel systems and turbocharged aftercooled air systems in the Cat IPU lineup, for optimal emissions.

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Cat® IPU engines provide dependable power all while meeting EU Stage V emissions standards.
Cat® IPU engines provide dependable power all while meeting EU Stage V emissions standards.

Have questions or want to request a quote?

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Engineered for diverse environments, Cat IPU engines support remote monitoring.
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Engineered for diverse environments, Cat IPU engines support remote monitoring.

Power Through Your Project

Built with the construction and material handling industries in mind, Cat IPU engines are designed to perform in diverse environments and are fully capable of remote monitoring. Stay on top of engine and machine data with connectivity from Cat Digital services.

Get Connected

Find the support you need with the trusted Cat global dealership network.
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Find the support you need with the trusted Cat global dealership network.

The Complete Package

Access Cat engine aftercare and support services, as well as comprehensive warranty, through the trusted Cat global dealership network. From software and diagnostic tools to servicing and genuine parts, everything is covered when you work with Cat for total peace of mind.

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Check Out the Full Engine Range

  • C1.7
    Maximum Power
    48 HP
    36 kW
    Maximum Torque
    122 lb-ft @ 1600 rpm
    166 Nm @ 1600 rpm
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

    C1.7

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  • C2.2
    Maximum Power
    74 HP
    55 kW
    Maximum Torque
    199 lb-ft @ 1600 rpm
    270 Nm @ 1600 rpm
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

    C2.2

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  • C2.8
    Maximum Power
    74 HP
    55 kW
    Maximum Torque
    221 lb-ft @ 1600 rpm
    300 Nm @ 1600 rpm
    Emissions
    EU Stage V/U.S. EPA Tier 4 Final/ Japan 2014 (Tier 4 Final)
    EU Stage V/U.S. EPA Tier 4 Final/ Japan 2014 (Tier 4 Final)

    C2.8

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  • C3.6
    Maximum Power
    134 HP
    100 kW
    Maximum Torque
    406 lb-ft @ 1500 rpm
    550 Nm @ 1500 rpm
    Emissions
    EU Stage V/U.S. EPA Tier 4 Final/ Japan 2014 (Tier 4 Final)
    EU Stage V/U.S. EPA Tier 4 Final/ Japan 2014 (Tier 4 Final)

    C3.6

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  • C4.4
    Maximum Power
    188 hp
    140 kW
    Maximum Torque
    601 lb-ft @ 1400 rpm
    815 Nm @ 1400 rpm
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)
    EU Stage V, U.S. EPA Tier 4 Final, Japan 2014 (Tier 4 Final)

    C4.4

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  • C7.1
    Maximum Power
    302 hp
    225 kW
    Maximum Torque
    940 lb-ft @ 1400 rpm
    1274 Nm @ 1400 rpm
    Emissions
    U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final)
    U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final)

    C7.1

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  • C9.3B
    Maximum Power
    456 hp
    340 kW
    Maximum Torque
    1540 lb-ft @ 1400 rpm
    2088 Nm @ 1400 rpm
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014 (Tier 4 Final) and China Nonroad IV

    C9.3B

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  • C13B
    Maximum Power
    577 HP
    430 kW
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
    Rated Speed
    1800-2100 rpm
    1800-2100 rpm

    C13B

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  • C13D
    Maximum Power
    690 HP
    515 kW
    Maximum Torque
    2360 lb-ft @ 1300 rpm
    3200 Nm @ 1300 rpm
    Emissions
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV
    EU Stage V, U.S. EPA Tier 4 Final, Korea Stage V, Japan 2014, China NRIV

    C13D

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  • C15
    Maximum Power
    580 hp
    433 kW
    Maximum Torque
    1958 lb-ft @ 1400 rpm
    2655 Nm @ 1400 rpm
    Emissions
    U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Stage V, China Nonroad IV
    U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 (Tier 4 Final), Korea Stage V, China Nonroad IV

    C15

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  • C18 (<560 kW)
    Maximum Power
    630 hp
    470 kW
    Maximum Torque
    2177 lb-ft @ 1300 rpm
    2951 Nm @ 1300 rpm
    Emissions
    U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV
    U.S. EPA Tier 4 Final, EU Stage V, China Nonroad Stage IV

    C18 (<560 kW)

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  • C18 (>560 kW)
    Maximum Power
    800 HP
    597 kW
    Maximum Torque
    2736 lb-ft @ 1300 rpm
    3710 Nm @ 1300 rpm
    Emissions
    U.S. EPA Tier 4 Final, EU Stage V
    U.S. EPA Tier 4 Final, EU Stage V

    C18 (>560 kW)

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  • C27
    Maximum Power
    950 HP
    709 kW
    Maximum Torque
    3211 lb-ft @ 1200 rpm
    4354 Nm @ 1200 rpm
    Emissions
    U.S. EPA Tier 4 Final, EU Stage V
    U.S. EPA Tier 4 Final, EU Stage V

    C27

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  • C32
    Maximum Power
    1000 hp
    746 kW
    Maximum Torque
    3825 lb-ft @ 1200 rpm
    5186 Nm @ 1200 rpm
    Emissions
    U.S. EPA Tier 4 Final and EU Stage V
    U.S. EPA Tier 4 Final and EU Stage V

    C32

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