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pile driving and extracting, guardrail installation and maintenance, solar installation, low price, reliable performance - details see: https://www.machineto.com/highway-hydraulic-guardrail-post-driver-for-sale-10113601

1. Functions

1.1 Post Driving Function: YZ330 Guardrail Post Driver and Extractor is intended for installing and maintaining the road safety barriers, especially be applicable for driving the road side crash barriers in newly constructing highways. It is also used for the photovoltaic installation, solar cells and solar panels installation.

1.2 Post Extracting Function: With the same hydraulic system for extracting poorly driven or incorrectly positioned posts or road maintenance work, it is a professional machine for extracting the posts out of any conditions of ground.

2. Features

2.1 YZ330 Guardrail Post Driver and Extractor is composed of chassis, upper column, hydraulic system, hydraulic hammer, diesel engine, electric system, cooling system, control system and post extracting equipment. It has the characters of quick and exact positioning, compact size, lightweight, self-propelled, quick moving, humanized design, easy operation, high efficiency and low price.

2.2 When you use a tow truck or trailer to tow the machine to the working site by the towing device with high speed, first you need to lay down the upper column by hydraulic system and disassemble the traveling roller chain. The up and down, longitudinal and transverse shift, horizontal slide of the column are realized through hydraulic system.

2.3 The hydraulic hammer is installed onto the upper column and be downward and upward along the track of the column for pile driving working by hydraulic system. You can not use the upward force of the hammer to extract the posts out of the ground directly or it may damage your machine, we suggest you to choose our professional Pile Extractor for extracting the posts out of any kind of ground.

2.4 It has very famous brand diesel engine Changchai with electrical starting equipped, which has a stable performance, simple operation and maintenance and very long service life.

2.5 The control system is equipped with multiple directional control valve and centralized hydraulic control rods which makes the operation simple and convenient.

2.6 It can install piles up to 3m (9.84’) in length, but on request the machine can be supplied with extension columns which can install piles up to 3.5m (11.48’) or even 4m (13.12’) long.

3. Main Technical Specifications

Type	YZ330
Rated Power	24 KW
Size (L×W×H)	4000×3200×1900 mm
G.W.	2500 KG
Weight of Hydraulic Hammer	300 KG
Dia. Of Drill Shank	70 mm
Hydraulic System Pressure	16 MPa
Hydraulic System Flow	50-55 L/min.
Impulsive Pressure	10-16 MPa
Impulsive Frequency	10-15 Hz
Wheel Track	1670 mm
Pile Driving Force per Stroke of Hammer	Around 250 KN
Pile Extracting Force	Around 250 KN
Working height of hydraulic hammer	≤3000 mm
Traveling Speed	0-15 km/h
Tow Speed	Around 70 km/h