Hatz 1B30

Hatz 1B30The Hatz 1B30 is a 0.3 L (347 cc, 21.18 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small diesel engine with a horizontal shaft, manufactured by Motorenfabrik Hatz GmbH & Co. KG for general-purpose applications.

The Hatz 1B30 engine has a single-cylinder, light-alloy cylinder head, forged crankshaft, valve timing via rocker arm, pushrods, finger-follower, and camshaft. The Hatz 1B30 engine can be equipped with a recoil or electric starter (12V or 24V) and alternator (14V – 14A at 3,000 rpm; 7A at 1,500 rpm or 28V – 7A at 3,000 rpm or 4A at 1,500 rpm). The engine used pressurized lubrication with a fine filter in the main flow. The 1B30 is equipped with a 5.0 L (1.32 US. gal. 1.1 Imp. gal.) fuel tank.

This diesel engine produced from 3.5 PS (2.6 kW; 3.5 HP) at 1,500 rpm to 7.3 PS (5.4 kW; 7.2 HP) at 3,600 rpm of horsepower (ISO 1585) and 17.5 Nm (1.79 kg·m; 12.92 ft·lb) at 2,300 rpm of peak torque.

General information

Engine Specifications
Engine model1B30
Engine type4-stroke, single-cylinder
Displacement347 cm3, (21.18 cu·in)
Max. horsepower From 3.5 PS (2.6 kW; 3.5 HP) at 1,500 rpm
to 7.3 PS (5.4 kW; 7.2 HP) at 3,600 rpm
Max. torque17.5 Nm (1.79 kg·m; 12.92 ft·lb) at 2,300 rpm
Cooling systemForced air
Lubricating systemPressurized lubrication
Fuel systemDirect injection
Fuel tank capacity5.0 L (1.32 US. gal. 1.1 Imp. gal.)
Fuel usedDiesel
Starting systemRecoil or electric starter (12 V or 24 V )
Charging systemAlternator
Dimensions (L x W X H)331 x 370 x 430 mm (13.0 x 14.6 x 16.9 in)
Dry weight With recoil starter: 35.0 kg (77.1 lbs)
With electric starter: 39.8 kg (87.7 lbs)

Cylinder Block and Head

Cylinder bore and piston stroke are 80.0 mm (3.15 in) and 69.0 mm (2.72 in), respectively. Compression ratio rating is 21.5:1.

Cylinder block
Compression ratio:21.5:1
Cylinder bore:80.0 mm (3.15 in)
Piston stroke:69.0 mm (2.72 in)
Ring end gap (Top):0.250-0.450 mm (0.0098-0.0177 in)
Ring end gap (Second):0.250-0.450 mm (0.0098-0.0177 in)
Ring end gap (Oil):0.250-0.450 mm (0.0098-0.0177 in)
Crankshaft center distance:34.5 mm (1.36 in)
Cylinder head
Valves:2

Service Data

The API – CF / CH-4, ACEA – B3 / E4 oil with a viscosity of SAE 5W-30, 10W-30 is recommended for the 1B30, refilling oil capacity is 1.1 L (1.16 US. qt, 0.97 Imp. qt.). The valve clearance is 0.10 mm (0.004 in) for intake valves and 0.10 mm (0.004 in) for exhaust valves.

Engine
Maximum speed:3,600 rpm rpm
Valve clearance
Intake valve clearance:0.10 mm (0.004 in)
Exhaust valve clearance:0.10 mm (0.004 in)
Oil system
Lubrication system:Pressurized lubrication
Oil type: With diesel oxidation catalyst (DOC): ACEA E6
Without diesel oxidation catalyst (DOC): CF/CH-4, ACEA: B3/E4
Recommended oil:SAE 5W-30, 10W-30
Oil capacity:1.1 L (1.16 US. qt, 0.97 Imp. qt.)
Fuel system
Type:Direct injection
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

ATTENTION! Dear visitors, this is an informational database of technical specifications, we are not a parts supplier or a marketplace.

We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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