Model Number

SCZ25-4

Major parameters of technical performance

1. Performance parameters

Rated lifting weight/standard load centre distance          2500Kg/500mm

Max. lifting height                                   6000mm（?00mm）

Overhanging distance at Max. lifting height               1000mm

Max. overhanging distance (horizontal)                  3000mm

Lifting height at max. overhanging distance               1450mm

Lifting weight at max. overhanging distance              1000Kg

Lifting speed (with full load)                           0.35m/s

Extending/contracting speed                           13m/s

Traveling speed

      Forward gear Ⅰ                               12Km/h

      Forward gear Ⅱ                               28Km/h

      Backward gear Ⅰ                              12Km/h

      Backward gear Ⅱ                              28Km/h

Max. gradeability (with zero load)                       20%

Min. turning Diameter (center of outer wheel)             12500mm

Min. ground clearance                                310mm

Operating weight                                    7000Kg

2. Engine

Model                                            CUMMINS4BT3.9-C80

Type                               four-stroke, water-cooling, in-line

Rated power                                         60Kw

Rated speed                                         2000r/min

Max. torque and rotary speed                           330/1500N.m/r.min

Number of cylinder                                    4

Diameter of cylinder                                  102mm

Piston stroke                                        120mm

Displacement                                        3.9L

Compression ratio                                    17.5:1

Cooling manner                                      water cooling

Starting manner                                      electric starting

Dry weight                                         320Kg

3. Hydraulic torque converter

Type                    single-stage, three-phase, four operating wheels

Diameter of circulating circle                          323mm

Max. torque ratio                                    3.5

Highest efficiency                                   0.85

Control oil pressure                                  1.1～1.5MPa                               

Torque converter oil pressure                          0.5～0.7MPa

Cooling manner                 oil-cooling, circulation under pressure

4. Transmission case

Type                 (Fixed shaft, power shift, straight tooth column gear)

gearshift ratio

Forward gear Ⅰ（front/rear axle）                 1.829/2.229

Forward gear Ⅱ (front/rear axle)                   0.65/0.792

Backward gear Ⅰ (front/rear axle)                  1.829/2.229

Backward gear Ⅱ (front/rear axle)                  0.65/0.792

5. Front driving axle

1）Main transmission

Type                                           spiral bevel gear

Transmission ratio                                5.5

2）Two-stage reduction, straight tooth round gear, fixed shaft

Transmission ratio                                3.692

6. Rear axle (steering driving axle)

1）Main transmission

Type                                           spiral bevel gear

Transmission ratio                                3.556

2）Wheel-side reductor  

Type                  Straight tooth round gear, planetary transmission

Transmission ratio                                4.4

7. Tyres

Specification (front/rear)                             16/70-20/8.25-20

Inflation pressure (front/rear)                         0.35/0.75MPa

Quantity                                          2/2

8. Steering system                                       

Model of load sensing steering gear                      BZZ5-160

Pressure of system                                    8MPa

Displacement                                        40ml/r

Inner diameter and quantity of steering cylinder            ?3mm?

9. Service brake                                       

Type                                 manual hydraulic wet friction disk

Diameter of brake piston                             80mm

Diameter of brake wheel cylinder                      32mm

10. Parking brake

Type                flexible shaft control with double-shoe internal expansion

Diameter of brake drum                              310mm

11. Hydraulic system of operating device

Model of operating oil pump                          CBG-Fa2040-190R

Pressure of system                                  17Mpa

Displacement                                      40ml/r

Model of multiway directional valve                   ZL20E-OT-O4T-OT-OT

Cylinder (quantity ?Diameter ?troke)

      Variation cylinder                             1?140?80

      Telescopic cylinder                           1?80?909

      Tilting cylinder                              1?110?70

      Translating cylinder                          1?110?50

Overall size