# ISU 4JB1 Diesel Engine

> ISU 4JB1 Diesel Engine. The 4JB1 is a compact inline 4-cylinder, naturally aspirated water-cooled diesel engine.Its simple, proven design delivers…

- URL: https://www.marine-equipment-supply.com/products/diesel-engines/isu-4jb1-diesel-engine/
- Category: [Diesel Engines](https://www.marine-equipment-supply.com/products/diesel-engines/)
- Brand: Isuzu
- 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 4JB1 is a compact inline 4-cylinder, naturally aspirated water-cooled diesel engine. Its simple, proven design delivers dependable power for light trucks, vehicles, and general machinery, with easy maintenance and long service life. Each engine ships with a machinery test report and outgoing video inspection.

## Key selling points

- Proven, reliable performance for demanding daily work
- Compact 2.771 L inline-4 design for space-saving installation
- Naturally aspirated for simplicity, fewer parts, and easy maintenance
- Durable inline-4, water-cooled build for stable, long-lasting operation

## Technical specifications

| Parameter | Value |
| --- | --- |
| Model | 4JB1 |
| Engine type | Inline 4-cylinder, naturally aspirated, water-cooled diesel |
| Displacement | 2.771 L |
| Bore × Stroke | 93 × 102 mm |
| Starting system | Electric start |
| Quality assurance | Machinery test report and outgoing video inspection provided |
| Application | Light truck / vehicle / general machinery |
| MOQ | 1 |

## Features & highlights

The 4JB1 combines a rugged inline-4 block with a durable valve cover and a naturally aspirated intake for simple, reliable operation. A mechanical injection pump with high-pressure fuel lines delivers accurate fuel to each cylinder for efficient combustion, while the water-cooled system — front pulley drive and white cooling fan — keeps operating temperatures stable. Fewer components mean lower complexity, easier service, and reduced downtime.

## Typical applications

Light trucks, vehicles, and general machinery for daily commercial and industrial use.

## Customization options

Available configurations can be discussed to suit specific vehicle or machinery integration. Please contact us with your application details.

## Ordering information

- MOQ: 1 unit
- Machinery test report and outgoing video inspection provided
- Lead time and packaging details available on request

## FAQ

### What is the ISU 4JB1 Diesel Engine used for?

Light trucks, vehicles, and general machinery for daily commercial and industrial use.

### What is the minimum order quantity?

The minimum order quantity for the ISU 4JB1 Diesel Engine is 1. Mixed orders with other MARS products are welcome.

### Can the ISU 4JB1 Diesel Engine be customized?

Available configurations can be discussed to suit specific vehicle or machinery integration.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 ISU 4JB1 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.