Hatz B Series · air-cooled diesel
Hatz 1B20
Hatz 1B20 is a compact single-cylinder, air-cooled 4‑stroke industrial diesel engine with 0.243L displacement and mechanical direct injection. From the Hatz B‑series datasheet it delivers up to 3.4 kW / 4.6 hp at 3600 rpm, with constant-speed options including 3.1 kW / 4.2 hp at 3000 rpm.
- Power
- 3.4 kW
- Speed
- 3000–3600 rpm
- Max torque
- 10.3 Nm
- Dry weight
- 32 kg
- Configured to your speed, start and shaft
- Genuine Hatz parts in stock, with diagrams online
- Talk it through: +44 (0) 1626 778 266
About the Hatz 1B20
The Hatz 1B20 is a robust, compact diesel engine designed for industrial equipment where simple installation, dependable operation and straightforward servicing are priorities. The B‑series datasheet specifies the 1B20 as an air-cooled 4‑stroke diesel with 1 cylinder, 0.243L displacement, and mechanical direct injection, making it a practical choice for OEM builds and like-for-like replacements in compact machinery.
Every engine we supply is set up for its job before it leaves Teignmouth, and backed by the parts and people to keep it running.
Specification
Get this as a PDF datasheet →Performance
- Power
- 3.4 kW
- Speeds
- 3000, 3600 rpm
- Max torque
- 10.3 Nm @ 2500 rpm
- Use
- Generator drive, Industrial
Engine
- Cylinders
- 1
- Aspiration
- Natural
- Injection
- Direct (DI), mechanical
- SAE connection
- Options available
Emissions
- Standard
- EU Stage V
- EGR
- No
- DOC
- No
- DPF
- No
Cooling
- Type
- Air-cooled
- Radiator
- No
- Fan
- No
- Charge air cooler
- No
Figures are manufacturer published data and may change. We’ll confirm the final specification with your quote.
Dimensions
- Length
- 292 mm
- Width
- 367 mm
- Height
- 401 mm
- Dry weight
- 32 kg
Need an installation drawing? Ask and we’ll send the drawing for your configuration.
Free datasheet
Your 1B20, on one page.
Pick your set-up and we’ll email you a PDF datasheet with the full specification and your configuration, ready to share or add to a tender. Want a price too? Tick the box and the engine team will quote for it.
- Full Hatz specification
- Your speed, start and application
- Dimensions and weight
- Prepared in your name
1B20 parts and diagramsExploded diagrams for every assembly, with genuine Hatz parts in stock.Browse parts →Servicing and set-upSpeed, governor and start set up before it ships, and help with servicing after.Ask the team →One shipment, worldwideAdd parts, a generator or other engines and we'll ship it all together, anywhere in the world.How it works →Technical helpFitting, running or fault-finding: talk to someone who knows the 1B20.Get in touch →
