OverviewThe Perkins 1104D-44T open power unit is a 4-cylinder, 4.4-litre industrial engine solution designed for on- and off-road power applications. Available with mechanical or electronically controlled common-rail fuel systems, it meets UN ECE R96 Stage IIIA and China Nonroad Stage III emissions levels and is offered in configurations suitable for a wide range of global fuels, including biodiesel.
Features At A Glance- Ease of maintenance: 500-hour service intervals and single-side service access to reduce downtime.
- Upgrade and replacement simplicity: common front/rear ends and connection points across the 1100 Series enable straightforward engine swaps.
- After-sales support: backed by Perkins-trained technical experts and global distribution network for parts and service support.
- Filtration and fuel flexibility: high-quality oil and fuel filtration (Ecoplus fuel filtration available) and compatibility with diverse fuel qualities worldwide.
Key Specifications- Maximum power: 66 kW
- Maximum torque: 392 Nm @ 1400 rpm
- Displacement: 4.4 L
- Number of cylinders: 4 inline
- Emissions: UN ECE R96 Stage IIIA; China Nonroad Stage III
- Rated speed: 2200 rpm
- Approx. dry weight: 536 kg
- Approx. dimensions (L×W×H): 1277 × 687 × 965 mm
Standard Equipment (selected)- Air system: mounted air filter and turbocharger
- Electrical & electronics: alternator (12 or 24 V), starter motor (12 or 24 V)
- Cooling system: fan drive, fan (pusher or puller), radiator, water pump
- Flywheel & housing: SAE No. 3 flywheel housing
- Fuel system: fuel filter
- General: engine mounting brackets, glow plug starting aid
- Oil system: oil cooler and filter, timing case oil filler
- Power take-off (PTO): SAE A or SAE B front PTO (142/280 Nm)
Technical specifications- Model / Commercial name: 1104D-44T
- Series: Perkins 1100 Series
- Cycle: 4-stroke
- Bore: 105 mm
- Stroke: 127 mm
- Compression ratio: 18.2:1
- Aspiration: turbocharged
- Combustion system: direct injection
- Rotation (from flywheel end): anti-clockwise
- Cooling system: liquid
- Maximum power: 66 kW
- Minimum power: 58.5 kW
- Maximum torque: 392 Nm @ 1400 rpm
- Rated speed: 2200 rpm
- Emissions standard: UN ECE R96 Stage IIIA; China Nonroad Stage III
- Engine dimensions (approx.): Length 1277 mm; Width 687 mm; Height 965 mm
- Dry weight (approx.): 536 kg
- Notes: final dimensions dependent on selected options