WZC20 Backhoe Loader
Description of Backhoe Loader:
The backhoe loader is a kind of construction machinery/construction equipment which consist of a tractor with a bucket in front and a backhoe on the back . Backhoe loaders are very common and can be used for a wide variety of tasks: construction, light transportation of building materials, powering building equipment, digging holes/excavating, landscaping, breaking asphalt, and paving roads.
Features of Backhoe Loader WZC20:
1. Equipped with reliable genuine Cummins engine
2. 4 forward & 4 reverse synchromesh mechanical shift transmission
3. Full－closed ROP/FOPS Cab with more space, increases comfort and visibility
5. 4 wheel driving and CARRARO wet-type rear axle with multi-disc brake & CARRARO front axle
5. Multi-purpose 4 in. 1 bucket has extended application range including loading, scraping, shoving, blade, clamping, paving and lifting.
6. The bucket is controlled through electrical- hydraulic mode.
7. Adopted Pilot valve controlling loader and backhoe valve, easy and flexible operation.
8. Extendible dipper upgrades productivity by reducing the number of travel movements.
9. The mechanical quick coupler attachment is available.
Applications of Backhoe Loader WZC20:
The backhoe loaders’ versatility and compact size makes them one of the most popular construction machinery/construction equipment. These backhoe loaders are widely used for larger projects such as building a house, fixing city roads, mining, etc.
Specifications of Backhoe Loader WZC20:
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Overall Dimension |
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1 |
Overall length(with bucket on ground) |
5840(mm)(Standard bucket) |
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2 |
Overall width(at stabilizer ) |
2240mm) |
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3 |
Width (to outside tyre) |
2057(mm) |
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4 |
Width of load Bucket |
2313(mm)(Standard bucket) 2100(mm)( Four in one bucket) |
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5 |
Height of cab |
2720 (mm) |
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6 |
Max. operating height of digging boom |
3548 (mm) |
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7 |
Wheelbase |
2155.5(mm) |
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8 |
Back wheel Tread |
1557(mm) |
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9 |
Fore wheel Tread |
1714(mm) |
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10 |
Min. ground clearance |
355(mm) for 2WD 275(mm) for 4WD |
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11 |
Traveling speed(Km/h)，4 forward and 4 reverse |
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(1) Ⅰ gear forward/reverse |
5.8/7.0 |
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(2) Ⅱ gear forward/reverse |
10.5/12.6 |
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(3) Ⅲ gear forward/reverse |
20.1/24.3 |
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(4) Ⅳ gear forward/reverse |
40.2/48.6 |
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Main Loading Technical Specification |
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1 |
Rated load |
1700(Kg(Standard bucket) 1500(Kg)(Four in one bucket) |
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2 |
Operating weight |
7800 Kg(Standard bucket) 8200 Kg |
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3 |
Lifting capability to full height |
>2500 Kg |
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4 |
Capacity of load bucket |
1.0(m3)(Standard bucket) |
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5 |
Max. breakout force |
>40kN |
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6 |
Max. dump clearance |
2611(m(Standard bucket) 2550(mm)(Four in one bucket ) |
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7 |
Max. Dump reach |
726(mm)(Standard bucket) 744(mm) |
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8 |
Dumping angle at full height |
43.5º(Standard bucket) 45.5º(Four in one bucket) |
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9 |
tilting angle of bucket |
On ground position |
40.20 |
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In the transportation position |
43.50 |
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10 |
Max. digging depth(with bucket bottom horizontal) |
191mm |
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11 |
Min. turning radius |
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(1) Outside of bucket |
5280(mm) for 2WD 5670(mm) for 4WD |
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(2) Center of front wheel |
3795 (mm) for 2WD 4300(mm) for 4WD |
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12 |
Lifting time of loading bucket |
≤5.1(sec.) |
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13 |
Lowering time of loading bucket |
≤4.9(sec.) |
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14 |
Dumping time |
≤0.9(sec.) |
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Main Digging Technical Specification |
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1 |
Rated digging bucket capacity |
0.2(m3) |
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2 |
Max. digging depth |
4365(mm) |
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3 |
Max. digging force |
>56.6+10％kN |
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4 |
Max. digging radius |
5390(mm) |
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5 |
Max. dumping height |
3510(mm) |
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6 |
Central offset |
550mm |
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7 |
Swing angle |
1800 |
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8 |
Max. rollback angle of digging bucket |
2010 |
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Diesel engine |
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1 |
Model |
Cummins 4BT4.5-C99 |
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2 |
Type |
Direct injection. Turbocharged. Water cooling |
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3 |
Rated output |
74 kW / 99HP |
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4 |
Rated speed |
2200rpm |
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5 |
Total exhaust of cylinder |
4.5(L) |
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6 |
Compression ratio |
18.5：1 |
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7 |
Inter-bore of cylinder/stroke |
4X102/138(mm) |
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8 |
Model of Alternator |
Delco Remy 23SI |
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9 |
Parameter of alternator |
24V/50A |
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10 |
Voltage of starting motor |
12(V) |
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11 |
Model of starting motor |
Denso R2.5 |
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12 |
Max. Torque at specified speed |
414N.M@1500rpm |
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13 |
Starting type |
Electric |
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14 |
Min. specific fuel consumption |
225(g/Kw.h) |
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15 |
Net weight |
338Kg |
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Transmission System |
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1. Torque Converter |
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1 |
Model |
CARRARO |
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2 |
Cooling type |
Pressure oil circulating |
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2. Transmission case |
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1 |
Model |
CARRARO |
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2 |
Type |
Synchromesh mechanical shift |
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3 |
Gear shift position |
4 Forward and 4 reverse gears |
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3. Axle and Tire |
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1 |
Model |
CARRARO |
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2 |
Type of main reducer |
spiral bevel gear, single stage |
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3 |
Type of final reducer |
Single stage planetary |
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4 |
Max. steering angle |
550 |
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5 |
Grade ability |
>30% |
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6 |
Max. drawing force |
70±10%(kN) |
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7 |
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Rear tire 19.5L-24R4-12PR |
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Working Device Hydraulic System |
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1 |
Model of oil pump |
P257A467PRZA12-6 |
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2 |
System pressure |
215(kgf/cm2) |
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3 |
Model of priority valve |
WALVOIL SD16/2、SD16/6 |
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Steering System |
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1 |
Type |
Fore wheel Steering |
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2 |
Model of steering pump |
P257A467PRZA12-6 |
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3 |
Model of steering gear |
150-1219 |
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4 |
System pressure |
140(kgf/cm2) |
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Oil Capacity |
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1 |
Fuel(diesel) |
151(L) |
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2 |
Engine lubricating oil |
11(L) |
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3 |
Oil for converter and gear box |
18.5(L) |
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4 |
Oil for hydraulic system |
110(L) |
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5 |
Oil for driving axles(F/R) |
7.6＋17(L) |
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