854F-E34TA Industrial Open Power Unit

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Our 854F-E34TA Industrial Open Power Unit (IOPU) delivers exceptional power density and torque, while meeting the toughest EU Stage IV/U.S. EPA Tier 4 Final emission standards. The engine, built on the trusted and proven core of the 850 Series, is ideal for a range of off-highway applications and can be integrated into your machine with ease. We've worked with OEMs to optimise the engine's fuel consumption and keep your ownership costs low.


3.4 litre

75-86 kW (101-115 hp)

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

The 854F-E34TA IOPU is a turbocharged, air-to-air chargecooled 3.4 litre 4 cylinder unit capable of producing 86 kW (115 hp). It has high power density and excellent torque all in a compact design, allowing for easy integration into applications that are tight on spaces.

Power Rating

Minimum Power 101.0 HP 75.0 kW Less
Maximum Power 115.0 HP 86.0 kW Less
Maximum Torque 350.0 lb-ft @ 2500 rpm 475.0 Nm @ 2500 rpm Less
Rated Speed 2200-2500 rpm 2200-2500 rpm Less

Emission Standards

Emissions EU Stage IV/U.S. EPA Tier 4 Final EU Stage IV/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 aftercooled Turbocharged aftercooled Less
Rotation from Flywheel End Anti-clockwise Anti-clockwise Less
Combustion System Direct injection Direct injection Less
Compression Ratio 17:1 17:1 Less
Cooling System Liquid Liquid Less
Cycle 4 stroke 4 stroke Less
Number of Cylinders 4 inline 4 inline Less
Total Coolant Capacity 4.2 gal (US) 16.0 l Less
Total Lubricating Capacity 2.5 gal (US) 9.5 l Less

Aftertreatment Dimensions* - DOC

Diameter 11.6 in 296.0 mm Less
Length 13.5 in 342.8 mm Less
Weight 22.0 lb 10.0 kg Less

Aftertreatment Dimensions* - SCR

Diameter 9.8 in 251.0 mm Less
Length 22.3 in 568.0 mm Less
Weight 44.0 lb 20.0 kg Less

Engine Dimensions*

Dry Weight 897.0 lb 407.0 kg Less
Height 37.6 in 957.0 mm Less
Length 46.0 in 1166.0 mm Less
Width 27.3 in 694.0 mm Less