
Hatz 1D81C – Single Cylinder Engine
Hatz 1D81C single cylinder engine – 9.6 kW max max torque of 34.4 Nm
The Hatz 1D81C is a counter-clockwise rotating version of the Hatz 1D81, designed to meet specialized application requirements where reverse engine rotation is necessary. As the most powerful single-cylinder diesel engine in the Hatz lineup, the 1D81C delivers high torque, exceptional reliability, and rugged performance for demanding industrial, agricultural, and construction applications. With air cooling, direct injection, and optional electric start, the 1D81C offers dependable operation in even the harshest environments. This model features a counter-rotating (reverse rotation) creankshaft – a key distinction in the Hatz 1D81.
The Hatz 1D81C is ideal for specialized applications where reverse crankshaft rotation is required, including: Specialized construction machinery, Directional hydraulic systems, Industrial and marine equipment with reverse-drive configurations, Agricultural machines with counter-rotating components, Custom-engineered power units and OEM applications.
With its counter-clockwise rotation, industry-leading torque, and rugged build, the Hatz 1D81C is the go-to engine for manufacturers and operators who need custom-fit diesel performance without compromising power or reliability.
Specifications
Power | 5.4- 9.6 kW |
Max. torque | 34.4 Nm |
Features
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Power Output: 5.4 – 9.6 kW @ 3000 rpm
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Torque: 34.4 Nm
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Displacement: 0.667 L (100 mm × 85 mm bore × stroke)
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Engine Type: Air-cooled, 4-stroke diesel
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Cylinders: 1
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Compression Ratio: 21.5:1
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Crankshaft Rotation: Counter-clockwise (reverse rotation)
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Starting System: Crankhandle or optional 12 V electric start
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Dry Weight: 118 kg / 126 kg (approx.)
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Emissions Compliance: EU Stage V / EPA Tier 4 compliant