Hatz 1B40V

Hatz 1B40VThe Hatz 1B40V is a 0.46 L (462 cc, 28.19 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small diesel engine with a vertical shaft, manufactured by Motorenfabrik Hatz GmbH & Co. KG for general-purpose applications.

The Hatz 1B40V engine has a single-cylinder, direct injection combustion system, light-alloy cylinder head, forged crankshaft, valve timing via rocker arm, pushrods, finger-follower, and camshaft. The Hatz 1B40V engine used 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 1B40V is equipped with a 5.0 L (1.32 US. gal. 1.1 Imp. gal.) fuel tank.

This diesel engine produced from 5.2 PS (3.8 kW; 5.1 HP) at 1,500 rpm to 10.2 PS (7.5 kW; 10.1 HP) at 3,600 rpm of horsepower (ISO 1585) and 24.9 N·m (2.5 kg·m, 18.4 ft·lb) at 2,300 rpm of peak torque.

General information

Engine Specifications
Engine model 1B40V
Engine type 4-stroke, single-cylinder
Displacement 462 cm3, (28.19 cu·in)
Max. horsepower From 5.2 PS (3.8 kW; 5.1 HP) at 1,500 rpm
to 10.2 PS (7.5 kW; 10.1 HP) at 3,600 rpm
Max. torque 24.9 N·m (2.5 kg·m, 18.4 ft·lb) at 2,300 rpm
Cooling system Forced air
Lubricating system Pressurized lubrication
Fuel system Direct injection
Fuel tank capacity 5.0 L (1.32 US. gal. 1.1 Imp. gal.)
Fuel used Diesel
Starting system Electric starter (12 V or 24 V )
Charging system Alternator
Dimensions (L x W X H) 477 x 394 x 392 mm (18.8 x 15.5 x 15.4 in)
Dry weight 55.3 kg (121.9 lbs)

Cylinder Block and Head

Cylinder bore and piston stroke are 88.0 mm (3.46 in) and 76.0 mm (2.99 in), respectively. Compression ratio rating is 20.5:1.

Cylinder block
Compression ratio: 20.5:1
Cylinder bore: 88.0 mm (3.46 in)
Piston stroke: 76.0 mm (2.99 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: 38 mm (1.495 in)
Cylinder head
Valves: 2

Service Data

The API – CF / CH-4, ACEA – B3 / E4 oil for engines without diesel oxidation catalyst (DOC) and a viscosity of SAE 5W-30, 10W-30 is recommended for the 1B40V, refilling oil capacity is 1.5 L (1.59 US. qt, 1.32 Imp. qt.). For engines with a diesel oxidation catalyst (DOC) use ACEA E6. 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: 1.5 L (1.59 US. qt, 1.32 Imp. qt.)
Fuel system
Type: Direct injection

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