Diesel engine 904J-E36TAG

4-cylinderhigh-pressure HPCRturbocharged

Overview
Compact 4-cylinder diesel engine designed for prime and standby power applications. The Perkins 904J-E36TAG ElectropaK meets EU Stage V emissions and is engineered for straightforward integration into generator sets and off-highway electrical power systems.

Features at a glance

• Dependable power: Proven core design and world-class manufacturing deliver reliable mechanical output and quiet operation across ratings. Turbocharging with smart wastegate available.
• Integration flexibility: ElectropaK configuration simplifies radiator, control and mounting interfaces for varied generator applications and OEM requirements.
• Low lifetime cost: Optimised fuel consumption for prime duty, hydraulic tappets, long oil-change intervals and service-free aftertreatment reduce operating and maintenance costs.

Key specs

• Gross Mechanical Output: 50–61 kW
• Typical Electrical Output: 54–66 kVA (43–53 kWe)
• Emissions: EU Stage V
• Displacement: 3.6 L
• Rated speed: 1500 / 1800 rpm

Standard equipment

• Air inlet system: Standard air cleaners
• Cooling system: 50:50 water/glycol mix; ElectropaK includes radiator
• Control system: Full electronic control with SAE J1939 CAN bus support and waterproof connectors for harsh environments
• Flywheels and housing: Includes SAE No. 2 and SAE No. 3 flywheel housings
• Fuel system: Electronic high-pressure common rail with protective filter design
• Oil system: Aluminium, flat-bottomed isolated sump
• Emissions control: NRS – NOx Reduction System

Technical specifications

• Model: 904J-E36TAG
• Brand: Perkins
• Gross Mechanical Output: 50–61 kW
• Typical Electrical Output (50 Hz): Prime 60 kVA; Standby 66 kVA
• Typical Electrical Output (60 Hz): Prime 43 kWe; Standby 47 kWe
• Emissions: EU Stage V
• Rated speed: 1500 / 1800 rpm
• Number of cylinders: 4 vertical inline
• Bore × Stroke: 98 mm × 120 mm
• Displacement: 3.6 L
• Compression ratio: 17:1
• Aspiration: Turbocharged aftercooled
• Combustion system: Direct injection
• Rotation (flywheel end): Anti-clockwise
• Cooling system: Liquid
• Typical alternator efficiency: 89.5–92%
• Switchable: Yes
• ElectropaK dimensions (typical): L 1056 mm; W 693 mm; H 1083 mm
• Dry weight (ElectropaK, typical): 511 kg
• Note: Final dimensions and outputs dependent on selected options; prime and standby definitions per manufacturer.