Company Video

Products & Applications

Construction Machinery

CDM812D

Products & Applications CDM812D features:

Powerful CHANGCHAI Engine
Reliable Powertrain
Hydraulic Transmission & Torque Converter
Variety with Attachment
Convenient Maintenance

Equipped with CHANGCHAI engine, Powerful, High working efficiency and reliability.
Hydraulic transmission, Strong traction. 
Transmission system without rigid connection, Well buffer performance, Avoiding the faults result from rigid impact of components such as axle and transmission. 
New appearance, Wide view. 
Small size suitable for operation in narrow area.
 Equipped with triple pipelines as optional to meet the modified requirements of customers.

Overall Data

 

Steering System

Bucket Capacity (m3)

0.5

Type                             Hydraulic Load Sensor System

Rated Payload (kg)

1200

Cylinders-bore x Stroke (mm)

2-63X280

Operating Weight (kg)

4350

Steering Pump                       Shared With Working Pump

Traction Force (kN)

31

System Pressure (MPa)

14

Breakout Force (kN)

36

Steering Angle

±35°

L×W×H(mm)

5376×1630×2600

 

Travel Speeds (km/h):

Hydraulic System

 

 

Lift Cylinders-bore x Stroke (mm)

2-80X610

Forward

8.3

20.8

 

Tilt Cylinder-bore x Stroke(mm)

1-100X450

Reverse

8.3

20.8

 

Working Pump

Gear Pump

Engine

CHANGCHAI-490B

Flow Rate (L/min/rpm)

120/2400

Rated Power (kW·hp)/rpm)

38·(52)/2400

System Pressure (MPa)

16

Rated Torque (Nm/rpm)

173/1800

Hydraulic Cycle Time, Rated Load in Bucket (In Second):

Starting Voltage (V)

24

Raise(Loaded)

Dump

Lower(Empty)

Total

Drive Train

4.5

1.2

2.2

7.9

Torque Converter

Single-stage, Single-turbine, 3-element

Electrical System

Torque Ratio

3.7

System Voltage (V)

24

Transmission

Fixed Shaft Hydraulic Shift Spur Gear

Battery(2 in series) (Ah)

180

Gear

2F/2R

Lamp Voltage (V)

24

Pressure of Transmission (MPa)

1.2-1.5

Service Refill Capacity

Main Reducer

Spiral Bevel Gear Single-stage Reduction

Fuel Tank (L)

80

Final Reducer

Planetary Reduction

Hydraulic Tank (L)

80

Tire

11.00-16

Transmission (L)

16

Brake System

Front Axle (L) / Rear Axle (L)

8/8

Service Brake

Air Drive, Four Wheel Brake (Dry)

Setting Pressure (MPa)

0.78

Parking & Emergency Brake

Flexible Shaft Controlled Caliper

StandardOptional
Hydraulic Transmission
Dry Brake Drive Axle
Standard Bucket
Mechanical Flexible Shaft Control

Light-duty Grapple(ZZ)