Chengdu Unico Machinery Co., Ltd. News

Hartridge AVM2-PC receives a major upgrade, with a pressure level of up to 3000 bar!

2026-06-03

As diesel engine technology moves towards Euro VI and higher standards, the working pressure of the high-pressure common rail system continues to increase, which places unprecedented stringent requirements on the testing equipment of the aftermarket. In order to meet the latest needs of the industry...

Main applications of HEUI injection system

2026-05-07

HEUI technology was prevalent from 1994 to 2007, widely used in North American heavy-duty diesel vehicles, construction machinery, and generator sets. Typical applications include: 1. Ford/Navistar Power Stroke Pickups/Light Trucks 7.3L Power Stroke (T444E): 1994–2003, Ford F-Series (F-250/F-350) ...

The inaugural Automechanika Jakarta will be held in September 2026

2026-05-07

The inaugural Automechanika Jakarta will be held in September 2026, targeting the burgeoning Southeast Asian auto parts market. Recently, Messe Frankfurt and the Indonesian Automotive Parts and Accessories Industry Association (GIAMM) announced a strategic partnership, officially declaring that the ...

Diesel Injection System Maintenance Guide

2026-04-22

Diesel Injection System Maintenance Guide The diesel fuel injection system (mainly high-pressure common rail) is the "heart" of a diesel engine. The core maintenance principles are: Strictly Controlling Fuel Purity, Regularly Replacing Filters, Standardizing Cleaning and Testing, and Preventing ...

The Evolution of Diesel Injection Technology

2026-04-17

The Evolution of Diesel Injection Technology **The Mechanical Era (First Generation)**Characterized by purely mechanical plunger pumps with fixed injection timing and mechanical fuel quantity regulation. This era suffered from low injection pressures, poor fuel atomization, high fuel consumption, ...

HEUI Fuel Injection System Introduction

2026-03-05

HEUI Fuel Injection System IntroductionI. Brief Introduction to the HEUI Fuel Injection SystemHEUI (Hydraulically Actuated Electronic Unit Injector) is a hydraulically driven, electronically controlled unit injection system developed by Caterpillar in the 1990s. It represents a transitional ...

Technical Characteristics of Mainstream Global Diesel Injection Systems

2026-03-04

Global mainstream diesel injection systems fall into three major technological categories: high-pressure common rail (the absolute dominant standard), electronically controlled unit pumps, and electronically controlled unit injectors. The core distinctions among them lie in their methods of pressure ...

Three Major Diesel Injection Systems Introduction

2026-01-30

◉ 1. Mechanical Injection SystemMechanical injection systems are primarily controlled by an injection pump, controlling the injection quantity. The driver adjusts the throttle lever position of the injection pump by manipulating the accelerator pedal or governor, thereby controlling the injection ...

Main Application Areas of Diesel Engines

2025-08-14

Main Application Areas of Diesel Engines 1. Commercial Vehicles (Mainstay)Heavy/Medium-sized Trucks, Semi-trailer Tractors, Box TrucksBuses, Minibuses, School Buses, Passenger Shuttle BusesCity Public Transport, Refrigerated Transport Vehicles, Hazardous Goods Transport Vehicles 2. Construction ...