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TEL: 0086-516-80110222 FAX: 0086-516-80110221
QY25K5-Ⅰ Truck Crane Technical Specification XCMG-branded all hydraulic truck crane
Telescoping boom truck crane Model :QY25K5-I
Max. lifting capacity: 25t.
Max. load moment: 961 kN.m
Overall length: 12.3m
Overall width: 2.50m
Overall height: approx. 3.35m
Total vehicle weight: approx. 31.9t
1 Crane Carrier
XCMG designed and manufactured 3-axle chassis with full cab, max. travel speed
72km/h.
Drive/Steering: 6×4×2
Turning radius: 22m
Ground clearance: 260mm
TEL: 0086-516-80110222 FAX: 0086-516-80110221
Approach angle: 13°
Departure angle: 13°
Grade-ability: 30%
1.1 Frame
XCMG designed and manufactured, with full cover decking plate, optimized weight
and anti-torsion box type made of high-strength structural steel, outrigger housed in
special supporting boxes located between axle 1 and axle 2 and at the rear of the frame;
a trailer coupling is mounted at front and rear.
1.2 Engine
Maker: Shanghai Diesel Engine Co., Ltd.
Model: SC8DK280Q3(Dongfeng Brand)
Engine type: 6-cycle, water cooled, on line, direct injection,
Rated power: 206kW/2200rpm
Rated torque: 1112N.m/1400rpm
Muffler: steel, gray painted
Fuel tank capacity: approx. 300L
The engine complies with Euro III.
10.1.3 Power Transmission System
10.1.3.1 Transmission
Mechanical fixed-shaft transmission, 6/8-speed, drive rear axle for travel power.
10.1.3.2 Axle
Heavy load bearing axle of imported advanced technology with reliable performance.
TEL: 0086-516-80110222 FAX: 0086-516-80110221
1st axle: single-tires, steered and not driven
2nd axle: double-tires, driven and not steered, single main reduction plus hub reduction.
3rd axle: double-tires, driven and not steered, single main reduction plus hub reduction.
10.1.3.3 Drive shaft
All the articulated shafts dispose of flanges with cross gearing, optimum power transfer,
simplified maintenance and easy assembly and disassembly.
10.1.3.4 Axle suspension
The front axle is leaf spring type of suspension and the rear axle is tandem elliptic
spring type of equalizing type suspension.
10.1.4 Steering
Mechanical steering system with hydraulic power.
10.1.5 Tires
11.00-20, suitable for heavy-duty vehicle, universal and easy replacement.
10.1.6 Brake
Service brake: foot pedal operated dual circuit air brake, 1st circuit acting on wheels of
axle 1 and 2nd circuit acting on wheels of axle 2, 3.
Parking brake: air release brake acting on two rear axles by air reservoir on each axle.
Auxiliary brake: exhaust valve brake at diesel engine.
10.1.7 Carrier cabin
Full cab made of new type compound material, corrosion-resistant, comfortably
equipped, at front rubber-mounted and at rear hydraulically suspended, fully enclosed
with safety glass, 3 windscreen wiper, full vision rearview mirror, electrical washer,
TEL: 0086-516-80110222 FAX: 0086-516-80110221
electrical door window lifter, engine-dependent heater, defrosting nozzles for
windscreen, air conditioner, radio and cassette player, driver's and co-driver's seats
pneumatically suspended, left-hand steering wheel adjustable for height and inclination,
stow-away boxes.
10.1.8 Hydraulic system
Quadruple gear pump flanged by transmission and PTO to the engine to control
outrigger and supply hydraulic power for crane operation.
10.1.9 Hydraulic outrigger
4-point support, horizontal and vertical fully hydraulic extension, electric control
cabinets on either side of the carrier. The control cabinets comprise level gauge for
leveling the crane. The outrigger floats remain stored to the jacks with sliding
mechanism. The outriggers are designed to raise the complete crane vehicle allowing
for the best crane operational conditions.
Outrigger span: longitudinal approx. 4.8m, lateral approx. 6.0m.
The fifth outrigger, under the cab, for 360°all rotation.
10.1.10 Electrical equipment
24 Volt DC, 2 batteries, lighting acc. to China traffic regulation standard, equipments
include: head lamp, fog lamp, back-up lamp.
10.1.11 Tools
One set of maintenance tools on board.
10.2 Crane Superstructure
External engaged roller-bearing slewing ring connecting superstructure to carrier, 360
TEL: 0086-516-80110222 FAX: 0086-516-80110221
°continuous full swing, slewing ring roller tracks sealed against water and dust.
10.2.1 Turntable
XCMG designed and manufactured, equivalent stress and various cross-section box
type structure, optimized design and welded of high-strength structural steel.
10.2.2 Hydraulic System
One quadruple fixed displacement valve and pilot controlled open oil circuit are used to
control crane operational movements, i.e. hoisting/lowering, swing, elevating and
telescoping. The pump is flanged via gearbox and PTO to the carrier engine. Oil filters
are fitted in the hydraulic system. The hydraulic drive is in advanced design, reliable
and good fine motion control.
Hydraulic tank capacity: approx. 516L.
10.2.2.1 Oil cooler
Oil cooler is in series with the hydraulic system, thus increase the service-life of the
hydraulic oil and the working life of the hydraulic components.
10.2.3 Control
Conventional control by means of 2 self-centering 4-way joysticks incorporated in the
horizontally and vertically adjustable armrests consoles. Hydraulic pilot control of all
crane movements by hydraulic pump and proportional valve, easy and comfortable,
good fine motion control, and infinitely variable speed possible.
10.2.4 Main Winch
Variable displacement motor, compact structure and good performance, specially built
planetary gear reducer, grooved drum with brake, and controlled by open type oil
TEL: 0086-516-80110222 FAX: 0086-516-80110221
circuit. Untwist type wire rope.
Rope diameter: ф14mm
Rope length: approx. 180m
Max. single line speed: approx. 100m/min.
10.2.5 Auxiliary Winch
Variable displacement motor, compact structure and good performance, specially built
planetary gear reducer, grooved drum with brake, and controlled by open type oil
circuit. Untwist type wire rope.
Rope diameter: ф14mm
Rope length: approx. 105m
Max. single line speed: approx. 100m/min.
10.2.6 Elevation
1 differential cylinder with integrated holding valve.
Elevating angle: -2°~ +80°.
Elevating time: approx. 75s.
10.2.7 Swing Gear
Fixed displacement motor driven by specially built planetary reducer with brake,
compact structure and good performance, external engaged slewing ring drives the
superstructure for 360º full swing, with free-swing function and infinitely variable
speed possible.
Swing time: 0~2.5rpm.
10.2.8 Telescopic Boom
TEL: 0086-516-80110222 FAX: 0086-516-80110221
The telescopic boom is torsion resistant design and made of high-strength steel,
consists of 1 base boom and 4 telescopic sections with all-round octagonal boom
profile for maximum stability, sliding pads of the telescoped are adjustable, all
telescopes are extended/retracted by means of a double-acting hydraulic cylinder plus
wire ropes for desired boom length, the standard equipment comprises 5 rope sheaves
for a max. lifting capacity of 25t.
Boom length: 10.4m ~ 39.5m.
Telescoping time: (from 10.4m to 39.5m) approx. 150s.
10.2.9 Superstructure Cabin
All-round cabin made of new type compound material, galvanized and
corrosion-resistant, comfortably equipped, fully enclosed with safety glass, full vision
all-round front window with sun shield, exterior open type door, operator’s seat
suspended with multiple positioning and pneumatic lumbar support with joystick
controls mounted in armrests hinged at seat back rest, large wiper at front window and
roof window, standardized controls and indicators ergonomically arranged.
10.2.10 Safety Devices
Hydraulic system: counterbalance valve, overflow valve, two-way hydraulic lock,
stable and reliable. XCMG PAT load moment limiter offers all the advantages of the
microprocessor technique in combination with the features and benefits of all PAT
operational systems. Display and Operating Console: analog instrument for percentage
load moment; digital LCD display for permitted and actual load with switch-able tare
facility; digital LCD display with selector switch for boom length, angle, radius, boom
TEL: 0086-516-80110222 FAX: 0086-516-80110221
head height, operating mode, error code, system test. Central Unit: microprocessor
technique; basic design for any type of crane; standard capacity 70 load
curves/optionally extendable; sheet metal housing, protection class IP 65. Length and
Angle Sensor LWG: various series for different telescoping lengths and boom
configurations; transmission of hoist limit switch signal through length transducer cable,
optionally also for transmission of the signals of force transducer and angle sensors of
luffing jibs; oil-damped pendulum angle sensor.
10.2.11 Counterweight
Counterweight plate mounted at the rear of crane turntable.
Counterweight weight: 5900kg.
10.2.12 Lattice-type swing-away jib
Lattice-type swing-away jib made of high-strength steel tube, side mounted and folding
to the boom, and attached to the boom side when the crane is in travel on road.
Jib length: 8.3m.
10.2.13 Hook Block
Main hook block: 5 sheaves -250kg.
Auxiliary hook block: no sheave -55kg.
10.2.14 Painting
The crane painting color:
Carrier, wheel rim: dark gray.
Driver’s cab, superstructure and base boom: construction machinery yellow.
The painting comprises 2 primer coats and 2-component paint on an acrylic base.
TEL: 0086-516-80110222 FAX: 0086-516-80110221
QY25K5-I Truck Crane Main Parts List (for reference)
No. Name Specification Manufactures
1 Engine SC8DK280Q3 Shanghai Dongfeng Diesel Engine Co., Ltd.
2 Transmission QJ6/8 Zuanjiang Gear Box Factory
3 Steering gear Jiangmen Xingzi Steering Gear Co., Ltd.
4 Axles XCMG Xuzhou Meritor Axle Co., Ltd.
5 Winch reducer GJT17W2 Rexroth (Beijing) Hydraulic Co., Ltd.
6 Swing reducer GJT17T3 Rexroth (Beijing) Hydraulic Co., Ltd.
7 Slewing ring 011.45.1250 XCMG Xuzhou Rothe Erde Slewing Ring
Co., Ltd
8 Pilot control valve 4TH6E06 Oil Control, Italy
9 Winch balance valve FD16FA10B30 Jiangdu Hydraulic Parts Factory; Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory
10 Elevating balance
valve CCBH140/200
Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory; Zhejiang Sunbung Hydraulic Parts Co., Ltd.
11 Telescoping balance
valve 53000
Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory; Zhejiang Sunbung Hydraulic Parts Co., Ltd.
12 Swing damping valve XH10ZA Ningbo Jiangbei Yuzhou Hydraulic Equipment Factory; Zhejiang Sunbung Hydraulic Parts Co., Ltd.
13 Control valve assy. DQKZF Jiangdu Hydraulic Parts Factory;
TEL: 0086-516-80110222 FAX: 0086-516-80110221
14 Upper multi-way
valve FYZ-36
Ningbo Jiangbei Yuzhou Hydraulic
Equipment Factory;
Guizhou Fengyang Hydraulic Parts co., Ltd.
15 Lower multi-way
valve QYZTF-S10D Zhejiang Sunbung Hydraulic Parts Co., Ltd.
16 Two-way hydraulic
lock SO-K8L-J7
Jiangdu Hydraulic Parts Factory;
Zhejiang Sunbung Hydraulic Parts Co., Ltd.
17 Winch motor A6V55 Beijing Huade Hydraulic Pump Factory;
Guizhou Liyuan Hydraulic Parts Co., Ltd.
18 Swing motor A2F28 Beijing Huade Hydraulic Pump Factory;
Guizhou Liyuan Hydraulic Parts Co., Ltd.
19 Gear pump CB-Kp50 XCMG Xuzhou Keyuan Hydraulic Parts
Co., Ltd.
20 Telescoping cylinder QY25K5.16 Chengdu Hydraulic Cylinder Factory;
XCMG Xuzhou Hydraulic Parts Co., Ltd.
21 Elevating cylinder QY25K5.28 Chengdu Hydraulic Cylinder Factory;
XCMG Xuzhou Hydraulic Parts Co., Ltd.
22 Outrigger jack
cylinder QY25K5.69
XCMG Xuzhou Hydraulic Parts Co., Ltd.
Zhangjiakuo Changcheng Hydraulic
Cylinder Factory.
TEL: 0086-516-80110222 FAX: 0086-516-80110221
23 Outrigger beam
cylinder QY25K5.68
XCMG Xuzhou Hydraulic Parts Co., Ltd.
Zhangjiakuo Changcheng Hydraulic
Cylinder Factory.
24 Load moment limiter PAT HC4900 XCMG Xuzhou PAT Control Technology
Co., Ltd.
Optional Parts (additional charge needed for customer)
1. Engine cold starter 2 . The 5th outrigger
3. Air-conditioner in driver’s cab (heating and cooling)
QY25K5-I Truck Crane Technical Performance Table
1. QY25K Truck Crane Main Technical Data in Travel State
Category Item Unit Parameter
Overall length mm 12300
Overall width mm ≤2500
Overall height mm 3350
Axle 1, Axle 2 mm 4425
Outline
Dimension
s Wheel base Axle 2, Axle 3 mm 1350
Dead weight in travel state kg 31900
Axle 1 kg 7000 Weight Axle load Axle 2, Axle 3 kg 24900
Travel Travel Max. travel speed km / h 75
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speed Min. stable travel
speed km / h 3.6
Min. turning
diameter mm 22000
Turning
diameter Min. turning diameter at boom tip
mm 24000
Min. ground clearance mm 260
Approach angle 16゜
Departure angle 13゜
Braking distance (full load at 30
km/h) m 10
Max. grade-ability 30%
Fuel consumption of 100 km L ≈37
Engine model SC8DK280Q3
Engine rated output KW(r/mi
n) 206/2200
Performan
ce
Engine rated torque N
m(r/min) 1112/1400
2. QY25K5-I Truck Crane Main Technical Data for Lifting Operation
Category Item Unit Parameter
Lifting Max. total rated lifting capacity t 25
TEL: 0086-516-80110222 FAX: 0086-516-80110221
Min. rated working radius m 3
Swing radius at turntable tail m ≤3.065
Base boom kN.m 961
Full length boom kN.m 533 Max. load
moment Full length boom + Jib kN.m 451
Longitudinal distance m 5.14 Outrigger
span Lateral distance m 6.0
Base boom m 10.5
Full length boom m 39.2
Performan
ce
Lifting
height Full length boom + Jib m 47.2
Boom raising time s 68
Boom full extending time s 150
Max. swing speed m/min 2.5
Full load m/min ≥75 Main winch No load m/min ≥125
Full load m/min ≥75
Working
Speed Hoisting
speed
(single
line)
Auxiliary
inch No load m/min ≥125
Cab exterior noise level dB(A) ≤118 Noise limit
Noise level at seated position dB(A) ≤90