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CHANGLIN WZ30-25 backhoe loader


Overall dimensions

Length (with bucket on ground), mm 7077
Width, mm 2350
Loader bucket width, mm 2313
Height (to the top of the cab), mm 2720
Height (to the top of the digging pole), mm 3424
Wheelbase, mm 2155.5
Back wheel tread, mm 1557
Fore wheel tread, mm 1714
Min. ground clearance, mm 355 for 2WD/275 for 4WD

Main loading technical specification

Rated load, kg 1700
Operating weight, kg 7000
Max lifting capability, kg >2500
Rated load bucket capacity, m3 1.0
Max. load breakout force, kN >40
Max. dump clearance, mm 2611
Dump reach, mm 726
Dump angle at any position, ° ≥43.50
Min. turning radius
Outside of bucket, mm 5280 for 2WD/5670 for 4WD
Center of front wheel, mm 3795  for 2WD/4300 for 4WD
Lifting time of loading bucket, s ≤5.1
Lowering time of loading bucket, s ≤4.9
Dumping time, s ≤0.9
Traveling speed (km/h), 4 forward and 4 reverse
Ⅰ gear forward 5.8
Ⅱ gear forward 10.5
Ⅲ gear forward 20.1
Ⅳ gear forward 40.2
Ⅰ gear reverse 7.0
Ⅱ gear reverse 12.6
Ⅲ gear reverse 24.3
Ⅳ gear reverse 48.6

Main digging technical specification

Rated digging bucket capacity, m3 0.3
Max. digging depth, mm 4338
Max. digging force, kN >50+10%
Max. digging radius, mm 5481
Max. dumping height, mm 3737

Diesel engine

Model Cummins 4BT4.5-C99
Type Direct injection, turbocharged, water cooling
Rated output, kW 74
Total exhaust of cylinder, L 4.5
Inter-bore of cylinder/stroke, mm 102/138
Voltage of starting motor, V 12
Rated speed, r/min 2200
Max. torque, Nm 414
Starting type Electric
Min. specific fuel consumption, g/kWh 225

Transmission system

Torque converter
Cooling type Pressure oil circulating
Transmission case
Type Synchromesh mechanical shift
Gear shift position 4 Forward and 4 reverse gears
Axle and tire
Type of main reducer spiral bevel gear, single stage
Type of final reducer Single stage planetary
Max. steering angle 550
Tire type 4WD fore tire12-16.5NHS-10PR
2WD fore tire 11L-16F3-12PR
Rear tire 19.5L-24R4-12PR

Working device hydraulic system

Model of oil pump P257A467PRZA12-6
System pressure, kgf/cm2 215
Model of priority valve WALVOIL SD16/2、SD16/6

Steering system

Type Fore wheel steering
Model of steering pump P257A467PRZA12-6
Model of steering gear 150-1219
System pressure, kgf/cm2 140

Oil capacity

Fuel (diesel), L 151
Engine lubricating oil, L 11
Oil for converter and gear box. L 18.5
Oil for hydraulic system, L 110
Oil for driving axles (F/R), L 7.6+17