Product Overview

High-Performance Diesel Engines for Fire Fighting

This series of medium and small diesel engines is specifically engineered for fire fighting equipment, delivering a reliable 3000 RPM output. Featuring a vertical, in-line, four-stroke design with direct injection, these engines ensure efficient combustion and rapid response in critical emergency situations. With multiple models available ranging from 1.357L to 2.516L displacement, they offer versatile power solutions for various industrial safety applications.

Engine Configuration

Engine Type: VerticalIn-lineWater-cooledFour-strokeDirect Injection
Intake Method: Natural intake

Red 3-cylinder diesel engine with radiator — Compact 3-cylinder model featuring a high-efficiency radiator and air filtration system.

Technical Specifications

Model Specifications

Model	Cylinders-Bore*Stroke	Displacement (L)	Liner Type
QC380Q(DI)	3-80*90	1.357	WET
QC385Q(DI)	3-85*90	1.532	DRY
QC480Q(DI)	4-80*90	1.809	DRY
N485QA	4-85*95	1.809	DRY
QC490Q	4-90*105	2.516	WET

Performance Metrics

Rated Speed

3,000 RPM

Engine Speed

Rated Power Output

QC380Q(DI): 20kW
QC385Q(DI): 23kW
QC480Q(DI): 29kW

Design & Components

Key Components

High-pressure fuel injection system
High-capacity air filter assembly
Electric starter motor
Dual fuel filtration system
Sturdy mounting base for stability

Cooling System: Liquid cooling with front-mounted radiator and multi-blade fan

Robust diesel engine for industrial use — The engine block is constructed from durable materials for exceptional strength and longevity in fire fighting applications.

Grey industrial diesel engine on mounting frame — Mounted on a stable metal frame for ease of installation into fire fighting machinery.

Multi-cylinder diesel engine with white fan — Detailed view of the cooling fan and complex hose arrangements for reliable thermal management.

Logistics & Testing

Rigorous Testing & Analysis

Each engine undergoes comprehensive performance mapping and transient response analysis in a controlled laboratory environment. Utilizing dynamometers and precise data acquisition sensors, we ensure every unit meets strict emissions and power output compliance standards.