1104D-44T Industrial Open Power Unit

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Whatever your application, there's an 1104 engine for you. Part of the Perkins 1100 Series, the range's 4 cylinder, 4.4 litre engines are smooth and quiet in operation. Designed to meet EU Stage II/IIIA and U.S. EPA Tier 2/Tier 3 equivalent emissions standards, the 1104 range offer a choice of mechanical or electronically controlled common rail engines. Electronically controlled engines deliver the right fuel injection for the load applied to the engine. Common front and rear ends, connection points and components across the range, making it easy to install a different 1100 Series engine in your application.


4.4 litre

58.5-66 kW (78.4-88.5 hp)

Turbocharged engine designed to meet EU Stage IIIA/U.S. EPA Tier 3 equivalent emissions standards for off-road machines

Power Rating

Minimum Power 78.4 HP 58.5 kW Less
Maximum Power 88.5 HP 66.0 kW Less
Maximum Torque 289.1 lb-ft @ 1400 rpm 392.0 Nm @ 1400 rpm Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions EU Stage IIIA/U.S. EPA Tier 3 equivalent EU Stage IIIA/U.S. EPA Tier 3 equivalent Less


Bore 4.13 in 105.0 mm Less
Stroke 5.0 in 127.0 mm Less
Displacement 269.0 in³ 4.4 l Less
Aspiration Turbocharged Turbocharged Less
Rotation from Flywheel End Anti-clockwise Anti-clockwise Less
Combustion System Direct injection Direct injection Less
Compression Ratio 18.2 18.2 Less
Cooling System Liquid Liquid Less
Cycle 4 stroke 4 stroke Less
Number of Cylinders 4 inline 4 inline Less
Total Coolant Capacity 4.0 gal (US) 15.0 l Less
Total Lubricating Capacity 2.2 gal (US) 8.4 l Less

Engine Dimensions*

Dry Weight 1181.6 lb 536.0 kg Less
Height 38.0 in 965.0 mm Less
Length 50.2 in 1277.0 mm Less
Width 27.0 in 687.0 mm Less

Ease of maintenance

All of the engines have 500 hour service intervals. And single side service components, for ease of end user servicing.

Easy to upgrade

Common front and rear ends, connection points and components across the range mean that you can easily install a different 1100 Series engine in your application.

Expertise whenever you need it

With our network of distributors, you will find all the advice you need to ensure you get the right engine. By building strong relationships with you, we make sure you have access to the full power of the Perkins brand and expertise. Our fully trained experts deliver total service support 24/7, 365 days of the year. Whether you need technical information, parts identification or ordering, our distribution network is there to make sure your Perkins engine keeps on running at peak performance.

Oil and fuel filtration

The high quality oil and fuel filtration on our 1100 Series range produces an engine that is reliable and durable. Ecoplus fuel filtration is available to boost its clean running qualities and the engine is capable of running on a wide range of global fuels including biodiesel.

1104D-44T Industrial Open Power Unit Standard Equipment

Air inlet system
  • Mounted air filter and turbocharger

Control system
  • Alternator (12 or 24 volt)
  • Starter motor (12 or 24 volt)

Cooling system
  • Fan drive
  • Fan (pusher or puller)
  • Radiator
  • Water pump

Flywheels and flywheel housing
  • SAE No. 3 flywheel housing

Fuel system
  • Fuel filter

  • Engine mounting brackets
  • Glow plug starting aid

Oil system
  • Oil cooler and filter
  • Timing case oil filler

Power take-off
  • SAE A or SAE B front PTO (142/280 Nm)