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3 Ton Construction Engineering Crawler Excavator

The efficiency and effectiveness of modern excavators are largely attributed to their advanced hydraulic systems. These systems provide precision control over the boom, arm, and bucket, ensuring that operators can perform accurate digging and material handling with ease. The ability to finely tune movements allows for a higher level of productivity and reduces the risk of errors during operations.

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Product Details

Multiple Attachments: 3 Ton Construction Engineering Crawler Excavator is further enhanced by their capacity to support a wide range of attachments. These can include hydraulic hammers for breaking up tough materials, augers for drilling holes, various types of buckets for different excavation tasks, and compactors for soil and material compaction.

Packaging
Packaging	Wooden box
Net weight of product(kg)	1350
Gross weight with wooden case (kg) Wooden case weight 150kg	1500
Running weight (kg) (net weight + load)	1470

Product Information
Product net weight (kg)	1800kg
Maximum load (kg)	120
Color	Orange + Black
Maximum traveling speed (km/h)	2.5-3
Rated slewing speed (rpm)	8-14
Fuel tank capacity (L)	19
Hydraulic oil tank capacity (L)	16.5
Fuel consumption (L/h)	1L/h
Side Swing Angle	Yes
Chassis telescopic function	No such function
Sunshade way	Four-legged shed

This adaptability makes excavators invaluable in various construction and landscaping projects, allowing them to tackle diverse challenges with the right tools.

Engine
Engine Model	Kubota D722
Engine power (hp)	13.8hp
Rated speed (rpm)	2600
Engine type	Water-cooled four-stroke
Displacement (CC)	719
Engine Cylinder Form	Inline three-cylinder
Engine Bore (mm)	67
Engine Stroke (mm)	68
Engine oil capacity (L)	3.8
Engine net weight (kg)	63
Rated torque (N.m)	45@2600rpm
Fuel type	Diesel
Oil type	Refer to engine manual
Cooling type	Water-cooled
Emission standard	EPA

Control system
Controls	Hydraulic pilot type on both sides
Chronographs	Yes
Voltmeter	Yes
Battery Voltage (V)	12
Battery Capacity (AH)	45
Battery Size (mm)	238130200+20 (column height 20)
Battery Weight (kg)	12
Battery Positive Terminal Diameter (mm)	19
Battery Negative Terminal Diameter (mm)	17
Maximum starting current (A)	380

Operator Cab: Many excavator models are designed with operator comfort in mind, featuring a choice between open cabs, which are particularly beneficial in warmer climates or during lighter tasks, and fully enclosed cabins that come equipped with heating and air conditioning.

Main Pump
Main Pump Model
Main pump type	Duplex Gear Pumps
Rated pressure of main pump (Mpa)	18
Maximum pressure of main pump (Mpa)	25
Nominal flow rate of main pump (ml/r)	10+3
Hydraulic oil type	46#Anti-wear hydraulic oil
Main pump flow rate (L/min)	39L/min@3000rpm
multicircuit valve
Model	8-Link Liquid Control
Rated pressure of main pump (Mpa)	17.5

This thoughtful design ensures that operators can work efficiently year-round, regardless of weather conditions.

Adaptability of aids
Attachment link shaft diameter (mm)	25
Width of small arm end (mm)	90
Specification of reserved hydraulic connector	M16 male thread
Number of reserved hydraulic joints	2
Thumb Clamp Adaptation Form	Upper Single Hole Style
Outer width of mounting on the thumb clamp of small arm (mm)	47
Thumb clamp upper mounting hole opening distance (mm)	27
Small arm thumb clamp lower mounting hole width (mm)	90
Diameter of small arm thumb clamp hole (mm)	25.5

Visibility: Safety is a paramount concern when operating heavy machinery, which is why excellent visibility from the operator's seat is a key feature in excavator design.

Vehicle Specifications
Maximum length (mm)	4325
Bulldozer width (mm)	1100
Overall width (mm) (both sides of chassis hook)	1100
Overall track width (mm)	1000
Overall height cab top (mm)	2272
Track distance (mm)	920
Track length to ground (mm)	1050
Track Length (mm)	1545
Standard (single) track width (mm)	180
Swivel platform ground clearance (mm)	375
Traveling Minimum Ground Clearance (mm)	98
Minimum turning radius (mm)	1711
Standard bucket volume (m3)	0.025
Standard bucket width (mm)	400

Enhanced sight lines allow operators to navigate confined spaces and execute precise tasks with confidence, reducing the potential for accidents and injuries on the job site.

walking system
Model
Type	Cycloid motor
Gear	First gear
Function of oil unloading	None
Track material	Rubber
Track width (mm)	180
Pitch of track (mm)	72
Number of track sections	41
Number of supporting wheels	2

Controls: Modern excavators typically employ joystick controls, known for their ability to facilitate smooth and precise movements.

Airframe Configuration
Roof form	Four-legged shed
Cabin heat insulation foam	Upper engine
Boom hydraulic pipe routing	Internal alignment
Boom cylinder mounting position	Big arm upper side inverted
Fuel filling position	Right side leg
Hydraulic oil filling position	Right side leaning leg
Cabin door opening method	Upper side seat forward
Chassis hook	Without hook
Throttle valve	With throttle
Seat armrests	without armrest
Seat belts	with
Anti-slip feet	with
Rubber skid cover for operating rod	Digging lever
Material of hydraulic pipe of big arm	Hose
Hydraulic Oil Heat Dissipation	with hydraulic oil cooling
Engine cooling	with water cooling

This intuitive control system helps to minimize operator fatigue, as it allows for natural hand movements and reduces the effort required to operate the machinery over extended periods.

working size
Maximum digging force of bucket (KN)	14.5
Maximum load (kg)	200
Maximum digging depth (mm)	2100
Maximum vertical digging depth (mm)	1850
Maximum digging height (mm)	2580
Maximum unloading height (mm)	1637
Maximum digging radius (mm)	3160
Climbing capacity (°)	30
Maximum height of bulldozer (mm)	310
Maximum depth of bulldozer (mm)	270

Comfort Features: To further enhance the operator experience, many excavators come equipped with ergonomic seating, adjustable armrests, and user-friendly controls. These comfort features are crucial for minimizing stress during long shifts, enabling operators to remain focused and productive throughout the workday. By prioritizing operator comfort, manufacturers aim to improve not only productivity but also overall job satisfaction.

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