Hatz 1B30

Hatz 1B30The Hatz 1B30 is a 347 cc, (21.18 cu-in) single-cylinder air-cooled 4-stroke internal combustion diesel engine with a horizontal shaft, manufactured by Motorenfabrik Hatz GmbH & Co. KG for general-purpose applications.

This engine has a single-cylinder, overhead valves, and direct injection fuel system. The Hatz 1B30 engine can be equipped with a recoil starter or electric starter motor 12 or 24 Volts.

An 80.0 mm (3.15 in) cylinder bore and 69.0 mm (2.72 in) piston stroke give the 1B30 engine a total of 347 cc, (21.18 cu-in) of displacement. Compression ratio rating is 21.5:1. It 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 maximum output. The torque is 17.5 Nm (1.79 kg·m; 12.92 ft·lb) at 2,300 rpm.

General information

Engine Specifications
Type4-stroke, single cylinder
Displacement347 cm 3 (21.18 cu-in)
Max. horsepower7.3 PS (5.4 kW; 7.2 HP) at 3,600 rpm
Max. torque (crank PTO)17.5 Nm (1.79 kg·m; 12.92 ft·lb) at 2,300 rpm
Cooling systemForced-air
Lubricating systemForced spray
Starting systemRecoil starter or electric starter motor
Fuel usedDiesel fuel
Fuel tank capacity5.0 L (1.32 US. gal. 1.1 Imp. gal.)
Fuel consumption
PTO shaft rotationCounterclockwise (from PTO shaft side)

Dimensions and Weight

Length, mm (in)331 (13.0)
Width, mm (in)370 (14.6)
Height, mm (in)430 (16.9)
Dry weight, kg (lb) With recoil starter: 35.0 (77.1)
With electric starter: 39.8 (87.7)

Service Information

Maximum speed3,600 ± 150 rpm
Valve clearance
Intake valve0.10 mm (0.004 in)
Exhaust valve0.10 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 oilSAE 5W-30, 10W-30
Oil capacity1.1 L (1.16 US. qt, 0.97 Imp. qt.)
Oil pressure
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.

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1 Comment

  1. Dear Sir/Madam,

    I’m a manager of V-Quick company, my name is Yulia.

    Could you send us please quotation on:

    HATZ 1B30 – 6 pcs.

    Please prepare an offer for the company

    V-Quick Sp. z o.o.

    28 Rynek Główny Street,

    31-010, Cracow, Poland

    NIP PL6762510576

    I am always at your disposal for any questions.

    I will be very grateful for a prompt reply.

    Best regards

    V-Quick Sp.z o.o.

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