854F-E34T Industrial Open Power Unit

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The Perkins® 850 Series brings you class-leading power density while meeting the toughest emission standards. Building on more than 80 years of Perkins innovation and customer insights, the 850 Series delivers 45-90 kW (60-120 hp), making it ideal for telehandlers, backhoe loaders, skid steer loaders, access platforms and many other applications. If you're looking to create smaller, higher performing, cost effective machines, the 850 Series has the features and benefits for you.


3.4 litre

45-55.4 kW (60-74 hp)

Designed to meet EU Stage IV/U.S. EPA Tier 4 Final emission standards

The 854F-E34T IOPU has a high power density, combined with excellent torque. We work with OEMs to optimise the fuel consumption, matching the operating cycles of a wide range of equipment and applications. No additional fluids or additives are required, which lowers your operating costs.

Power Rating

Maximum Power 74.3 HP 55.4 kW Less
Maximum Torque 234.5 lb-ft @ 1600 rpm 318.0 Nm @ 1600 rpm Less
Minimum Power 74.3 HP 55.4 kW Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions EU Stage lV/U.S. EPA Tier 4 Final EU Stage lV/U.S. EPA Tier 4 Final Less


Bore 3.9 in 99.0 mm Less
Stroke 4.3 in 110.0 mm Less
Displacement 207.5 in³ 3.4 l Less
Aspiration Turbocharged Turbocharged Less
Rotation from Flywheel End Anti-clockwise Anti-clockwise Less
Compression Ratio 17:1 17:1 Less
Cooling System Liquid Liquid Less
Combustion System Direct injection Direct injection Less
Number of Cylinders 4 inline 4 inline Less
Cycle 4 stroke 4 stroke Less

Engine Dimensions*

Length 49.3 in 1252.0 mm Less
Width 27.7 in 705.0 mm Less
Height 40.7 in 1033.0 mm Less
Dry Weight 897.0 lb 407.0 kg Less

Aftertreatment Dimensions* - DOC/DPF Through flow

Weight 30.8 lb 14.0 kg Less
Length 20.0 in 509.0 mm Less
Diameter 5.8 in 149.0 mm Less


Note 1 *Final dimensions dependent on selected options *Final dimensions dependent on selected options Less

A lifetime of low cost

The 850 Series offers good fuel economy and performance. These engines have been designed to be reliable and fuel efficient, and built for durability.

Low cost maintenance is achieved through hydraulic tappets, multi-vee belts, the through-flow diesel particulate filter (DPF) option (which offers a service free aftertreatment) and 500 hour oil change intervals.


A single, core engine platform, with additional compact aftertreatment options, the 850 Series allows you to create smaller, high performing, more cost-effective machines for a wide range of applications.

We provide two year warranties for variable speed models as standard.

The 850 Series benefits from more than 80 years of Perkins innovation and customer insights.


The 850 Series gives you increased power over products of a similar size. The 854F-E34T provides 45-55.4 kW (60-74 hp) and 291 Nm of torque. If you require more power, the 854F-E34TA provides 63-90 kW (84-120 hp) and 490 Nm of torque.

The compact design of the engine means it is suitable for a range of applications including agricultural tractors, telehandlers, access platforms, air compressors, forklift trucks, trenchers, skid steer loaders, excavators and backhoe loaders.

854F-E34T Industrial Open Power Unit Standard Equipment

Aftertreatment technology
  • DOC - Diesel Oxidation Catalyst
  • DPF - Diesel Particulate Filter

Air inlet system
  • Standard air cleaners

Control system
  • All connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
  • Flexible and configurable software features and J1939 standard communications I/O
  • Full electronic control system
  • Fully integrated, engine-mounted engine control module

Flywheels and flywheel housing
  • SAE3 configuration

Fuel system
  • Electronic high pressure common rail
  • Engine-mounted fuel filters

  • Balanced or unbalanced
  • Engine control panel
  • Machine side wiring
  • Pusher or puller fan

Power take-off
  • SAE A flange on left-hand side

Standard emissions control equipment
  • NRS – NOx Reduction System