# SDEC SC4H100 Marine Diesel Engine (73.5 kW) for Fishing Boats

> SDEC SC4H100 Marine Diesel Engine (73.5 kW) for Fishing Boats. The SDEC SC4H100 is a compact inline 4-cylinder, turbocharged water-cooled marine diesel…

- URL: https://www.marine-equipment-supply.com/products/diesel-engines/sdec-sc4h100-marine-diesel-engine-73-5-kw-for-fishing-boats/
- Category: [Diesel Engines](https://www.marine-equipment-supply.com/products/diesel-engines/)
- Brand: SDEC
- 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 SDEC SC4H100 is a compact inline 4-cylinder, turbocharged water-cooled marine diesel engine built for fishing boats and inboard marine use. With a 4.3 L displacement, it delivers dependable power for long hours of demanding marine duty, with reliable sea-water cooling and easy service.

## Key selling points

- Dependable 73.5 kW @ 2200 rpm output for demanding marine operation
- Turbocharged for higher output and quicker throttle response
- Water-cooled (sea-water) marine design for reliable heat removal
- Durable, compact inline-4, 4.3 L build for fishing boats and workboats

## Technical specifications

| Parameter | Value |
| --- | --- |
| Model | SC4H100 |
| Engine type | Inline 4-cylinder, 4-stroke, turbocharged, water-cooled marine diesel |
| Rated power / speed | 73.5 kW @ 2200 rpm |
| Displacement | 4.3 L |
| Bore × Stroke | 105 × 124 mm |
| Cooling system | Water-cooled (sea-water) |
| Engine position | Inboard |
| Application | Fishing boat / marine |
| Warranty | 1 year |
| MOQ | 1 |

## Features & highlights

The SC4H100 combines a compact inline-4 cast-iron block with a turbocharger for stronger combustion and higher output even under heavy loads. A top-mounted marine heat exchanger and sea-water pump keep the engine at a stable operating temperature for continuous marine duty, while a high-precision injection pump with high-pressure fuel lines and a heavy-duty belt-driven front accessory system ensure reliable, efficient power at sea.

## Typical applications

Inboard propulsion for fishing boats, workboats, and small commercial marine vessels.

## Customization options

Available with marine transmission/gearbox options to suit specific vessel requirements. Please contact us with your application details.

## Ordering information

- MOQ: 1 unit
- Warranty: 1 year
- Genuine SDEC; lead time and packaging details available on request

## FAQ

### What is the SDEC SC4H100 Marine Diesel Engine used for?

Inboard propulsion for fishing boats, workboats, and small commercial marine vessels.

### What warranty comes with the SDEC SC4H100 Marine Diesel Engine?

The SDEC SC4H100 Marine Diesel Engine is supplied with a 1 year warranty. The exact warranty terms are confirmed on your quotation.

### What is the minimum order quantity?

The minimum order quantity for the SDEC SC4H100 Marine Diesel Engine is 1. Mixed orders with other MARS products are welcome.

### Can the SDEC SC4H100 Marine Diesel Engine be customized?

Available with marine transmission/gearbox options to suit specific vessel requirements.Please contact us with your application details.

### 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 SDEC SC4H100 Marine 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.