
170BF Series · 27.24 L · IMOTierⅡ
170BF Series Marine Biodiesel Engine
Models: X6170ZC595BF2 · X6170ZC620BF2 · X6170ZC650BF5 · X6170ZC680BF5 · X6170ZC730BF5 · X6170ZC756BF5
Fuel type: diesel or B100 biodiesel
437-556
Power range (kW)
1200-1500
Speed range (r/min)



Product Advantages
- Safe and reliable. Developed on a mature platform, fully validated by the market, 1000h test endurance, stable and reliable.
- Corrosion resistant. Design and development of biodiesel-specific components, solving the industry problems of corrosivity and high water content.
- High-pressure, higher output. Weichai proprietary control system, high fuel injection pressure, strong fuel adaptability, better economy.
- Intelligent monitoring. Intelligent instruments, online monitoring of operating data, convenient for fleet management and fault diagnosis.
Specifications
| Engine type | inline, four-stroke, water-cooled, turbocharged and intercooled |
| Bore / stroke (mm) | 170×200 |
| Number of cylinders | 6 |
| Displacement (L) | 27.24 |
| Torque reserve (%) | |
| Oil consumption rate (g/kW·h) | ≤0.8 |
| Minimum fuel consumption rate (g/kW·h) | 224 |
| Idle speed (r/min) | 500/600 |
| Noise (dB(A)) | ≤120.2 |
| Crankshaft rotation direction | counter-clockwise (viewed from the free end) |
| Overall dimensions (L×W×H) (mm) | 2470×1295×1930 |
| Net weight (kg) | 3100 |
Note: product parameters and images are for reference only and are subject to change without notice.
Model Line-up
| Series | Model | Power (kW / Ps) | Speed (rpm) | Technology route | Emission level | Power rating |
|---|---|---|---|---|---|---|
| 170BF | X6170ZC595BF2 | 437/595 | 1200 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
| 170BF | X6170ZC620BF2 | 456/620 | 1200 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
| 170BF | X6170ZC650BF5 | 478/650 | 1500 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
| 170BF | X6170ZC680BF5 | 500/680 | 1500 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
| 170BF | X6170ZC730BF5 | 537/730 | 1500 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
| 170BF | X6170ZC756BF5 | 556/756 | 1500 | mechanical combination pump | IMOTierⅡ | P1(MCR) |
Request a Quote
Send the model designation (for example X6170ZC595BF2), the required quantity and your destination port.
At a glance
Supplied by an original Weichai diesel engine supplier, the Weichai 170BF Marine Biodiesel is built as an inline, four-stroke, water-cooled, turbocharged and intercooled unit, with 27.24 L displacement. Rated output spans 437–556 kW. It is supplied to meet IMOTierⅡ emission requirements.
Technical details
The Weichai 170BF Marine Biodiesel is built on a inline, four-stroke, water-cooled, turbocharged and intercooled configuration with 6 cylinders architecture. Displacement is 27.24 L. It is offered for 224 operation. For installation planning, the unit has a dry weight of 3100 kg and an idle speed of 500/600 r/min.
Typical applications
The Weichai 170BF Marine Biodiesel is specified for duty. Confirmed applications include the following, and we can advise on suitability for your machine:
- Fuel type: diesel or B100 biodiesel
170BF Marine Biodiesel frequently asked questions
What is the power range of the Weichai 170BF Marine Biodiesel?
The 170BF Marine Biodiesel covers 437–556 kW. Confirm the exact sub-model code before ordering, because output varies across the model line-up.
Which emission standard does the 170BF Marine Biodiesel meet?
This unit is offered to IMOTierⅡ. Tell us your destination market and we will confirm the certification route before shipment.
Is the 170BF Marine Biodiesel a genuine Weichai engine?
Yes. Units are sourced through controlled supply channels to original factory specification and are supplied with export packing and documentation.
How is the 170BF Marine Biodiesel shipped and how long does delivery take?
Engines are crated for export and consolidated at the port. Send your model designation, quantity and destination port for a firm quotation and lead time.
What is the configuration of the 170BF Marine Biodiesel?
The 170BF Marine Biodiesel is built on a inline, four-stroke, water-cooled, turbocharged and intercooled, 6 cylinders, 27.24 L of displacement layout. Send us your machine model if you need confirmation that this layout fits your installation.

