Hatz 1B50V

Hatz 1B50VThe Hatz 1B50V is a 517 cc, (31.5 cu-in) single-cylinder air-cooled 4-stroke internal combustion diesel engine with a vertical shaft, manufactured by Motorenfabrik Hatz GmbH & Co. KG for general-purpose applications.

This engine has a single-cylinder, overhead valves, direct injection fuel system and electric starter motor 12 or 24 Volts.

A 93.0 mm (3.66 in) cylinder bore and 76.0 mm (2.99 in) piston stroke give the 1B50V engine a total of 462 cc, (28.19 cu-in) of displacement. The compression ratio is 20.5:1. It produced from 55.7 PS (4.2 kW; 5.6 HP) at 1,500 rpm to 11.6 PS (8.5 kW; 11.4 HP) at 3,600 rpm of maximum output. The torque is 27.4 N·m (2.8 kg·m, 20.2 ft·lb) at 2,500 rpm.

General information

Engine Specifications
Model 1B50V
Type 4-stroke, single cylinder
Displacement 517 cm 3 (31.5 cu-in)
Max. horsepower 11.6 PS (8.5 kW; 11.4 HP) at 3,600 rpm
Max. torque (crank PTO) 27.4 N·m (2.8 kg·m, 20.2 ft·lb) at 2,500 rpm
Cooling system Forced-air
Lubricating system Forced spray
Starting system Electric starter motor
Fuel used Diesel fuel
Fuel tank capacity 5.0 L (1.32 US. gal. 1.1 Imp. gal.)
Fuel consumption
PTO shaft rotation Counterclockwise (from PTO shaft side)

Dimensions and Weight

Length, mm (in) 477 (18.8)
Width, mm (in) 394 (15.5)
Height, mm (in) 392 (15.4)
Dry weight, kg (lb) 58.5 (128.9)

Service Information

Maximum speed 3,600 ± 150 rpm
Valve clearance
Intake valve 0.10 mm (0.004 in)
Exhaust valve 0.10 mm (0.004 in)
Oil system
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.)
Oil pressure
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