Unic URW295CR - Major Specifications

４ Major specifications
２．９３ton×１．４ｍ （With outriggers extended fully）
Maximum lift above groud(Hook) Approx ８．８ｍ
Boom to be extended to: ２．５３ｍ～４．０７５ｍ～５．６１ｍ～７．１３ｍ～８．６５ｍ
Maximum working radius ８．４１ｍ
４０ｍ／min （At 4th layer on the drum）
Hoisting speed of hook １０ｍ／min （At 4th layer on the drum, with 4-part line hooking）
Extending speed of boom ６．１２ｍ／２０sec
Raising speed of boom ０°～７８℃／１１sec
Slewing speed １．５ ｒｐｍ
Slewing range ３６０° （Continuous）
Construction ＩＷＲＣ ６×ＷＳ （２６） Class Ｂ （Breaking load： ４３．２kN）
Diameter1×length ８ｍｍ×５４．０ｍ
Outrigger
2-section for bend and 3-section
Hydraulic
Rated pressure
Crane：２０．６ＭＰa（２１０ｋｇｆ／ｃ㎡）、Crawl：２１．６ＭＰa（２２０ｋｇｆ／ｃ㎡）
pump
Rated discharge Approx.３８ℓ／min
Rated rotation Approx.２０００ｒｐｍ
Hydraulic oil tank capacity ２７ℓ
Equipment and construction
Boom telescoping Boom:5-section,Hexagonal box beam
Telescoped by direct pushing of hydraulic cylinder and by wire rope
Boom derricking
Direct pushing by hydraulic cylinder(With hydraulic automatic locking device)
Hoisting Hydraulic motor Axial plunger type
Reduction gears Spur-gear reduction
Brake Automatic mechanical brake
Slewing Hydraulic motor Trochoid type（With hydraulic automatic locking device）
Reduction gears Worm-gear+Spur-gear reduction(Supported by ball bearings)
Brake Worm self-lock
Hydraulic pump Variable delivery piston pump
Hooking capacity ２．９t Number of slinging rope:4
Safety device Hydraulic automatic lock
Automatic stop for overwinding／Overwinding alarm／Load indicator
Load indicator(With angle meter)／Level／Alarm buzzer
Hook safety latch
Interlock for crane-crawl lever and outriggers
Weight Approx.１８５０ｋｇ
Crawling device
Crawling Endless rubber crawler
Crawler １８０×４０×７２ＦＲ
Length of ground contact １０５０ｍｍ
Pressure of ground contact ４８．０ｋＰａ （０．４９ｋｇｆ／ｃ㎡）
Crawling speed Forward/Backward：０～２．３Ｋｍ／ｈ
Hill-climbing ability ２０°
Engine Rated output ９．６ｋＷ／２０００ｒｐｍ （１３ＰＳ／２０００ｒｐｍ）
Crawling Independently driven by hydraulic power
Parking brake Disc brake with hydraulic motor built-in
Starting engine Electric starter
Fuel tank Capacity:7liters
(With hydraulic automatic locking device)（2nd&3rd sections:sequential
actuation,4th&5th sections:simultaneous actuation）
extension.Double acting hydraulic cylinders
with pilot-operated check valves,direct pushing type.
Major specifications （Speed,indicated in the table below is at oil temperature range of 45～
55℃
,
o
p
eratin
g
with noload
,
and at rated
p
um
p
dischar
g
e.
）
Crane capacity(maximum lifting load)
Speed of winding-up(Rope speed)
Hoisting
rope
（４－１）