# Yuchai YC6MK340-30 Diesel Engine — 250 kW

> Yuchai YC6MK340-30 Diesel Engine — 250 kW. The Yuchai YC6MK340-30 is a high-power, large-displacement turbocharged, water-cooled inline-6 diesel engine…

- URL: https://www.marine-equipment-supply.com/products/diesel-engines/yuchai-yc6mk340-30-diesel-engine-250-kw/
- Category: [Diesel Engines](https://www.marine-equipment-supply.com/products/diesel-engines/)
- Brand: Yuchai
- Supplier: Shanghai Mars Industrial Co., Ltd. (MARS), Shanghai, China
- Price: on request — [request a quote](https://www.marine-equipment-supply.com/contact/) · WhatsApp +86 176 2154 1688 · inquiry@marine-equipment-supply.com

## Overview

The Yuchai YC6MK340-30 is a high-power, large-displacement turbocharged, water-cooled inline-6 diesel engine rated at 250 kW / 1900 rpm, built for heavy trucks and commercial transport. Its 10 L displacement, rugged cast block, mechanical-pump fuel system, and high 1550 N·m torque deliver strong low-end pull and stable output for demanding transport applications. It is supplied ready for global export.

## Key selling points

- 250 kW at 1900 rpm with 1550 N·m torque for strong low-end pulling
- Large 10 L displacement turbocharged inline-6 with rugged cast-iron block
- Reliable mechanical-pump fuel system for stable fuel delivery
- Heavy-duty construction for long service life and dependable operation
- Euro 2 emission level; 1 Year warranty with test report

## Technical specifications

| Parameter | Value |
| --- | --- |
| Brand | Yuchai |
| Model | YC6MK340-30 |
| Cylinders | Inline 6 |
| Rated Power | 250 kW @ 1900 rpm |
| Displacement | 10 L |
| Torque | 1550 N·m @ 1100–1500 rpm |
| Bore / Stroke | 123 / 145 mm |
| Compression Ratio | 17.5:1 |
| Aspiration | Turbocharged |
| Cooling | Water-Cooled |
| Fuel System | Mechanical Pump |
| Emission Standard | Euro 2 |
| Weight | 880 kg |
| Application | Truck |

## Features & highlights

- Heavy-duty inline-6 cast-iron block for high strength and durability
- Turbocharger for higher intake efficiency, stronger power, and torque
- Mechanical-pump fuel system for proven, dependable fuel delivery
- Rear flywheel housing for reliable power transmission and long service life
- Fan and pulley drive; designed for accessible maintenance

## Typical applications

Power for heavy trucks, tractor trucks, buses, and dump trucks.

## Customization options

Power rating, gearbox/flywheel-housing matching, and OEM requirements available on request. Contact us with your application for a tailored recommendation.

## Ordering information

Supplied in secure export packing for safe global delivery. Warranty: 1 Year. Please confirm application and power requirements when ordering.

## FAQ

### What is the Yuchai YC6MK340-30 Diesel Engine used for?

Power for heavy trucks, tractor trucks, buses, and dump trucks.

### Can the Yuchai YC6MK340-30 Diesel Engine be customized?

Power rating, gearbox/flywheel-housing matching, and OEM requirements available on request.Contact us with your application for a tailored recommendation.

### How is it inspected, packed and shipped?

Each unit is checked against your order before dispatch, with a written outgoing-inspection report and video (machinery is run-tested). Goods are packed in export wooden-box or crate packing and shipped FOB or CIF from Shanghai; stock items ship promptly and built-to-order items typically within about 20 working days.

### How do I get a price for the Yuchai YC6MK340-30 Diesel Engine?

Send an inquiry with the required configuration, quantity and destination port using the form on this page, email inquiry@marine-equipment-supply.com or WhatsApp +86 176 2154 1688. We reply with a matched recommendation and quotation within 24 hours on working days.