21ton Medium Digger Crawler Excavator with 1-1.5cbm Bucket

21ton Medium Digger Crawler Excavator with 1-1.5cbm Bucket image

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Product Description

Overview
Product Description
Detailed Photos
Product Parameters
Company Profile
Packaging & Shipping
After Sales Service

Basic Info.

Model NO.

JY621

Drive Type

Internal Combustion Drive

Bucket Capacity

1.0~1.5m³

Size

Medium-Sized

Certification

CE, ISO9001: 2000

Condition

New

Operating Weight

21700kg

Output Power

128.5/2100 Kw/Rpm

Max. Digging Height

9620mm

Max. Digging Depth

6680mm

Ground Pressure

47kpa

Torque/Speed

637/1800 N.M/Rpm

Transport Package

Nude Package

Specification

10220*2990*3300mm

Trademark

China brand

Origin

China

HS Code

84295212

Production Capacity

100units/Month

Product Description

21ton Crawler Excavator.

1. Original imported engine An Imported engine that provides powerful performance and low fuel consumption. The overall system is optimised to provide a comprehensive performance upgrade.
2. Latest fuel filter The latest fuel filer improves filtration and ensures oil inlet quality, thus improving the reliability of the machine under harsh operating conditions.
3. Hydraulic system Original imported high-end hydraulic components are configured to match capabilities for excellent performance.
4. Structure Finite element analysis is used in the structural design to strengthen key components so that they can withstand greater stress. This ensures that the machine stays durable under different harsh operating conditions.
5. Optional match Optional tools include a breaker, a cold temperature activation device, and falling object protection, all to increase the capabilities of the machine.

Item		Unit	Parameters
Model	Operating weight	Kg	21000-23000
Model	Bucket capacity	m³	1.2
Engine	Model	–	QSB6.7
	No. of cylinders	–	6
	Rated power	kw/rpm	129/2100
	Maximum torque/speed	N.m	800/1500
	Displacement	L	6.7
Main performance	Travel speed (H/L)	km/h	5.6/3.5
	Swing speed	r/min	11.8
	Gradeability	°	≤35
	Ground pressure	kPa	45
	Bucket digging force	kN	149
	Arm digging force	kN	111
	Maximum tractive force	kN	184
Hydraulic system	Rated flow of main pump	L/min	2×225
	Main safety valve pressure	Mpa	34.3/37
	Travel system pressure	Mpa	34.3
	Swing system pressure	Mpa	27.5
	Pilot system pressure	Mpa	3.9
Oil capacity	Fuel tank capacity	L	420
	Hydraulic tank capacity	L	300
	Engine oil capacity	L	24
Appearance size	A Overall length	mm	10220
	B Overall width	mm	2990
	C Overall height	mm	3300
	D Width of platform	mm	2830
	E Track length	mm	4455
	F Overall width of chassis	mm	2990
	G Track shoe width	mm	600
	H Wheel base of crawler	mm	3647
	I Track gauge	mm	2390
	J Counterweight clearance	mm	1053
	K Minimum ground clearance	mm	485
	L Minimum tail swing radius	mm	2985
	M Track height	mm	810
Working range	A Maximum digging height	mm	9620
	B Maximum dumping height	mm	6780
	C Maximum digging depth	mm	6680
	D Maximum depth cut for 2240mm(8 ft) level bottom	mm	6500
	E Maximum vertical wall digging depth	mm	5715
	F Maximum digging radius	mm	9940
	G Minimum swing radius	mm	3530
Standard	Length of boom	mm	5680
Standard	Length of arm	mm	2910
Optional	Length of arm	mm	2400
	Bucket capacity	m³	1.0(Rock bucket)
	Bucket capacity	m³	1.14 (Strengthened bucket)

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