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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

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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.

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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,

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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

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°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

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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

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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

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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.

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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;

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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.

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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

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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