Hahn & Sohn HDE350RST3 diesel generator ComAp remote management (optional accessory)
Hahn & Sohn Diesel Generator HDE350RST3
Professional Diesel Generator for Industry and Construction
Hahn & Sohn HDE350RST3 is a powerful industrial diesel generator that reliably supplies energy to construction sites, agriculture, industrial operations, and during emergency power supply. It offers single-phase and three-phase operation, robust construction, and modern technology for stable performance.

Images are for illustration purposes only, showing various models. Basic version without sockets.
Practical Control Panel
The generator is equipped with an ergonomic control panel that keeps you informed about its status and allows for easy operation.
Option to Connect ATS
The ATS (Automatic Transfer Switch) unit automatically starts the generator and transfers the load when the main power supply is disconnected.
ATS 100A indoor | ATS 100A outdoor
Diesel Engine YANGDONG
Reliable multi-cylinder diesel engines from the Chinese manufacturer Yangdong, one of the largest producers of small diesel engines.
Liquid Cooling
The efficient liquid-cooling system ensures stable engine operation and protects it from excessive wear.
Pre-Start Heating
The integrated coolant preheating system maintains optimal temperature for safe engine starting even in extreme frost.
Soundproof Cover
The specially designed enclosure reduces noise during operation while ensuring efficient heat dissipation.
Easier Transport
The robust construction includes mounting holes for easy handling and secure attachment during transport.
Protective Surface Treatment
All generator casings are coated with an anti-corrosion protective layer for greater resistance to weather conditions.
Oil Sensor
The generator is equipped with an oil sensor that alerts you when oil needs to be refilled or replaced.
Safe Operation
The generator Hahn & Sohn HDE350RST3 is a professional model with emission certifications.
Key Features
- Powerful engine: 308 kW diesel engine for maximum reliability
- Long runtime: 490-liter fuel tank provides up to 6.7 hours of operation
- Stable voltage: Automatic AVR regulator for the protection of sensitive devices
- Quiet operation: Soundproof housing reduces noise and vibration
- Single-phase and three-phase operation (400 V, 230 V)
- Electric starter: Easy start with the push of a button
- ATS output: Option for automatic transfer in case of power outage (ATS sold separately)
- Safety features: Oil sensor, emergency stop switch, generator protection
Why Choose Hahn & Sohn HDE350RST3?
- Professional generator for construction, industry, and backup power
- Powerful and efficient diesel engine
- Long runtime on a single refueling
- Safe voltage and stable operation thanks to AVR
- Quiet operation and durable construction
🛒 Order now and ensure reliable power for your projects!
Standard Equipment
- Powder-coated steel housing
- Diesel engine
- Brushless self-excited generator
- Battery pack
- Battery charger
- Battery disconnection lever
- Standard-capacity fuel tank
- Engine and generator silent blocks
- Muffler with vibration compensator
- Main circuit breaker (generator protection)
- Terminal block (full power output connection)
- Emergency stop switch
- Control cabinet heater with control panel
- ComAp InteliLite or ComAp InteliNano control panel
- Compatible with ATS backup system
- Basic internal lighting
- Engine block heater
📦 Delivery without unloading – the customer must arrange a crane or forklift.

Note: The device is delivered ready for use – with oil and coolant filled, charged batteries, and tested. Before the first startup, it is recommended to read the manual and check fluid levels and overall condition.
Additional parameters
| Category: | Industrial power generators |
|---|---|
| Warranty: | 2 years |
| Weight: | 4010 kg |
| Maximum power: | 385 kVA / 308 kW |
| Rated power: | 350 kVA / 280 kW |
| Rated current: | 505 A |
| Frequency: | 50 Hz |
| Nominal voltage: | 230 V / 400 V |
| Fuel tank capacity: | 490 l |
| Operating time on a full tank at 100% load: | 6.7 hours |
| Fuel consumption at 100% load: | 72.9 l/h |
| Fuel consumption at 75% load: | 54.1 l/h |
| Fuel consumption at 50% load: | 37 l/h |
| Dimensions: | 4200 x 1500 x 2200 mm |
| Engine type: | Diesel |
| Engine power: | 307 kW |
| Engine speed: | 1500 rpm |
| Number and arrangement of cylinders: | 6 / in line |
| Engine fuel system: | direct injection |
| Exhaust gas flow: | 41.5 m³/min |
| Exhaust gas temperature: | 600 °C |
| Voltage regulation: | electronic - AVR |
| Voltage stability: | ± 1% |
| Oil tank capacity: | 36 l |
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