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Hatz air-cooled diesel engines

Hatz engines are known for excellent fuel economy and long engine life.

Long engine life features include low piston speed, and an optional 'intelligent' auto-protection device, which stops the engine if the blower drive malfunctions, a low oil condition is encountered, or if the engine is tilted beyond its design parameters.

HATZ engines are designed for durability and robustness. This is achieved by excellent quality control during production. HATZ engines are noted for their reliable starting even at extremely low temperatures.

Easy to service Operation and maintenance are easy for experts and nonexperts. Some of the service features include: automatic hydraulic belt tensioner; automatic injection pump bleeding; maintenance indicator for the air filter; and automatic extra fuel device for cold starting.

For many years, HATZ has led the way in developing environmentally friendly engines. The current engine lines meets EPA Tier 4 standards, as well as CARB and EU regulations.

Hatz full engine line brochure

Single-cylinder diesel engines
Air-cooled, 4 stroke, single cylinder diesel engines. All have with a flywheel blower fan.
All HATZ single-cylinder 1B and 1D engines are EPA Tier 4 certified.
The 1B20 and 1B30 are available in generator set specfication. A wide variety of options are also available.
Hatz B series engines
The Hatz B-series scores high marks in mobile and stationary operations with compact installation dimensions for all applications with a power requirement up to 8 kW due to its low weight. With its robustness and longevity, the series sets standards in the market. Regardless of whether on vibration plates or in the inhospitable environment of the Antarctic, the B-series has been tried and tested a hundred thousand times in harsh surroundings.
Hatz 1B seriesl B Series 1B20 3.4 kWm
4.6 hp
3600 rpm
  • small, light weight, for universal application
  • vertical cylinder
  • direct injection
  • forced-feed circulating lubrication
  • Single Cam System (SCS)
  • recoil and/or electric start
  • 1B20 and 1B30 are available in generator set configuration
  • 1B40 and 1B50 options include an additional counter-balance system
1B27 4.0 kWm
5.4 hp
3600 rpm
1B30 5.0 kWm
6.8 hp
3600 rpm
1B40 7.3 kWm
9.8 hp
3600 rpm
1B50 7.6 kWm
10.2 hp
3000 rpm
Hatz 1B20-v engine   1BV series vertical engines   1B20V 3.5 kWm
4.4 hp
3600 rpm
  • vertical crankshaft
  • direct injection
  • small, light-weight, for universal application
  • forced-feed circulating lubrication
  • Single Cam System (SCS)
  • recoil and/or electric start
 
1B30V 5.0 kWm
6.7 hp
3600 rpm
1B40V 7.3 kWm
9.9 hp
3600 rpm
1B50V 7.6 kWm
10.3 hp
3000 rpm
Hatz D series engines
The Hatz D-series is best suited for challenging tasks. It is characterized in particular by its high performance and unique design. With 11.2 kW, the 1D90 engine is the most powerful single-cylinder diesel engine in the world. A compensation weight on the flywheel side crank arm as well as balance weights cast in the flywheel ensure the special quiet running of the D-series. Optionally available counter-rotating balance shafts even ensure 100% 1st order counter balance.
Hatz 1B20-v engine 1D42/50 Supra series engines 1D42 7.5 kw
10.0 hp
3000 rpm
  • vertical cylinder
  • forced-feed circulating lubrication
  • optional 50% or 100% balancing of higher-order inertia forces
  • crank handle and/or electric start
  • charging alternator integrated into flywheel
1D50 7.9 kWm
10.6 hp
3600 rpm
Hatz 1B20-v engine 1D81/90 Supra series engines 1D81 10.3 kWm
14 hp
3000 rpm
  • low-noise
  • forced-feed circulating lubrication
  • optional 50% or 100% balancing of higher-order inertia forces
  • crank handle and/or electric start 12V/24V
  • 1D90W has a vertical crankshaft
1D90 11.2 kWm
15.0 hp
3000 rpm
Hatz quiet pack 81Z D series Silent Pack engines 1D42C 5.2 kWm
7 hp
3600 rpm
All HATZ sound-attenuated engines
  • sound-enclosure reduces engine noise by 95%
  • crank handle and/or electric start 12V/24V
1D81C 9.6 kWm
12.9 hp
3000 rpm
D series vertical crankshaft engines 1D90V 11.2 kWm
15 hp
3000 rpm
  • vertical crankshaft

Multi-cylinder diesel engines
Air-cooled, 4 stroke, multi-cylinder diesel engines.
All HATZ multi-cylinder engines are EPA Tier 4 certified.
Hatz G series engines
As our customers can confirm, Hatz diesel engines are the most robust and durable in this market segment. Where they are installed makes no difference; whether at very low temperatures or in a tropical climate, the Hatz 2G40 carries out its job reliably. With regular maintenance many thousands of hours are commonplace, with HATZ original spare parts of course.
Hatz  2G40 2G40 diesel engine 2G40 14.6 kWm
19.9 hp
3000 rpm
  • air-cooled with flywheel blower fan
  • forced-feed circulating lubrication
  • 12V or 24V electrics
Hatz L series engines
Economic, operationally safe, quiet: These are the qualities that characterize L-series engines. Their rugged design gives them an extremely long service life. Their high operating reliability allows L-series engines to be operated reliably in even remote areas or for applications without constant monitoring.
Hatz 4L41C L Series Silent-Pack diesel engine 2L41C 27 kWm
36.2 hp
3000 rpm
All HATZ sound-attenuated engines
  • automatic engine protection features
  • air-cooled with axial blower
  • forced-feed circulating lubrication
  • with additional counterbalance system
3L41C 40.9 kWm
54.8 hp
3000 rpm
3L43C 36.0 kWm
48.3 hp
3000 rpm
4L41C 54.2 kWm
72.7 hp
3000 rpm
4L42C 46.1 kWm
61.8 hp
3000 rpm
4L43C 44.7 kWm
60 hp
3000 rpm
Hatz M series engines
The M-series is the long-running success among the industrial diesel engines. The 2, 3 and 4 cylinder engines have been successfully established in the market for about 30 years – and they are still considered to be unbeatable. The rugged basic power train, above all the strongest crankshaft of all engines in the market, has remained unchanged since the market launch. So running times of many tens of thousands of hours are no problem for the engines in the M-series.
Hatz M41 M series 2M41 26.3 kWm
35.8 hp
3000 rpm
  • integrated automatic engine-protection features
  • counterbalanced
  • air-cooled with axial blower
  • forced-feed circulating lubrication
  • crank handle or electric start
  • gear wheels to drive the crankshaft
  • hydraulic pump PTO directly on crankshaft
3M41 36.8 kWm
48 hp
3000 rpm
3M43 36.4 kWm
48.8 hp
3000 rpm
4M41 56 kWm
75.1 hp
3000 rpm
4M42 51.5 kWm
69.1 hp
3000 rpm
4M43 48.8 kWm
66.4 hp
3000 rpm

Options:
A wide range of options are available for all engine models. Please contact our sales department for information and prices.
Some options for 1B and 2G series

page updated Aug/13