70 ton crane

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70 ton crane
Details
80T Truck Crane | STC800C5-8
Engine Model:DF CUMMINS ISLe975 30 (Euro III)
5-section main boom with large U-shaped cross-section (100T class), fully extended length 50.5 m;standard 17.5 m jib, optional 9.5 m extension, maximum lifting height up to 78 m
Category
Truck Crane
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Description

China Machinery International Trading Co., Ltd. is one of the leading manufacturers and suppliers of 70 ton crane in China. With abundant experience, we warmly welcome you to buy cheap 70 ton crane made in China here from our factory. For price consultation, contact us.

 

Hydraulic System for Precise Control

 

 

5-section main boom with large U-shaped cross-section (100T class), fully extended length 50.5 m;standard 17.5 m jib, optional 9.5 m extension, maximum lifting height up to 78 m

Electronically controlled dual-swing, three-stage reduction system, combined with a large-displacement hydraulic pump;smooth start/stop without impact, torque increased by 35%, load capacity improved by 10%,minimum stable slewing speed 0.08°/s, ensuring powerful slewing for long-radius operations

H-type low-position outriggers, span 8 × 6.53 m;standard 20.5 t counterweight, optional 2 × 2.5 t side counterweights (80T universal)

Max lifting moment (basic boom): 3469 kN·m (59 t × 6 m)

Max lifting capacity with full boom: 16 t, working radius up to 44 m

Advanced Hydraulic & Control System

New electro-proportional dual-pump intelligent flow distribution system

Independent luffing + combined boom extension, improving compound operation efficiency by over 50%

Variable displacement piston motor winch, noise reduced by 7 dB,minimum stable hoisting speed 0.8 m/min

Innovative automatic lowering compensation technology, ensuring smoother luffing-down operations

 

Human-Centered Operation System

 

 

Brand-new "Lingzhi" dual-cabin design, equipped with upgraded ergonomic seats

(150 mm sliding adjustment, 140° reclining angle)

20% larger upper cabin operating space, with sliding track doors for easy access

Sliding step + foldable front pedal for smooth entry/exit

New interior design with multi-channel 3D airflow system, panoramic sunroof, adjustable seats, and softened trim materials

Equipped with electric wipers and standard winch monitoring system, ensuring more comfortable and easy operation

 

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Powerful Chassis Performance

 

 

Equipped with Yuchai K09 high-torque engine + 12-speed synchronizer gearbox

(optional Weichai WP10H engine + 10-speed gearbox)

Heavy-duty axle design, max travel speed 80 km/h, max gradeability 45%

7-inch HD LCD instrument panel in chassis cab, with co-driver seat for improved usability

Second-generation heavy-duty suspension system, allowing transportation with 20.5 t counterweight without unloading for short distances

Tire configuration: Front 4 × 385/95R25 + Rear 8 × 325/95R24,

enabling counterweight transport while leaving space for outrigger pads

450 L large-capacity fuel tank, increasing endurance by 30%

 

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Technical Specification

 

 

Model STC800C5-8

CATEGORY

ITEM

UNIT

VALUE

CAPACITY

Max.lifting capacity

t

80

WEIGHT

Grossweight

kg

46000

POWER

Engine model

-

DF CUMMINS ISLe975 30 (Euro III)

Max. engine power

kW/rpm

275/2100

Max. engine torque

N·m/rpm

1550/1200

DIMENSIONS

Overall length

mm

35000

Overall width

mm

2800

Overall height

mm

3010

TRAVEL

Max. travel speed

km/h

90

Steering radius

Min.steering radius

m

12

Min.steering radius of boom tip

m

15.4

Wheel formula

-

8×4×4

Min.ground clearance

mm

38

Approach angle

°

17.2

Departure angle

°

12.9

Max.gradability

-

44%

Fuel consumption per100km

L

45

MAIN PERFORMANCE

Working temperature range

-25~+45

Min.rated lifting radius

m

3

Tail swing radius

m

4.238

Boom sections (Qty.)

-

5

Boom shape

-

U shape

Max. lifting moment

Basic boom

kN·m

2940

Full-extension boom

kN·m

1685.5

Full-extension boom +jib

kN·m

608.5

Boom length

Basic boom

m

12.9

Full-extension boom

m

50.5

Full-extension boom +jib

m

66.5

Full-extension boom +boom extension + jib

m

76

Max. lifting height

Basic boom

m

13.4

Full-extension boom

m

51

Full-extension boom +jib

m

66.5

Full-extension boom +boom extension + jib

m

76

Outrigger span (Longitudinal × Transverse)

m

6.48×8

Jib offset

°

0,15,30

 

AIRCONDITIONER

In operator's cab

-

Cooling

In driver's cab

-

Heating &cooling

 

Axle Load

Axle

1

2

3

4

Grossweight

Axle load/t

10

10

13

13

46

Remark

Main hook tied on the frame tail,aux. hook block placed in the bracket,with outrigger floats,spare tire,one person in driver's cab and full of water and oil.

 

Hook

Rated load

Number of sheaves

Rope rate

Hook weight/kg

60

6

12

550

6

0

1

100

 

Operations

Item

Max.single rope lifting speed

Rope diameter/length

Max.single line pull

Main winch

130m/min

18mm/260m

6.6T

Auxiliary winch

130m/min

18mm/145m

6.6T

Slewing speed

 

0-1.7r/mim

 

Full/lifting up/down time of boom

 

60s/90s

 

Full extension/retraction time of boom

 

100s/110s

 

Outrigger jack

Retraction

 

35s

 

Extension

 

35s

 

Outrigger beam

Retraction

 

20s

 

Extension

 

25s

 

 

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