SEM656D (Weichai) Wheel Loader
Product Feature
Low speed engine with E-fan provides increased operating efficiency
Enhanced fuel pre-filter eliminates water and contaminant from fuel for best fuel system protection
The air cleaner provides machine reliability even in the most severe applications
Efficient Hydraulic System
The advanced load sensing hydraulic system with flow sharing circuits improves efficiency
World Class hydraulic components ensure high reliability
The optimized hydraulic system paired with the drive train reduces machine cycle time and increases productivity
Operator Station
Premium operator station with increased space and superior visibility
Sliding side window and AC with fresh air circulation provide operator comfort
Joystick hydraulic control for easy and precise operation
Multi-function instrument dashboard with 3-level alarm
Adjustable suspension seat
Reliable Drivetrain
Countershaft transmission with upgraded core components provides high reliability
Large rim-pull in 1st gear and higher speed in 2nd gear provide high efficiency for load and carry applications
Clutch cutoff selection switch ensures stable and safe operation
The SEM designed and built axle provides best in class performance in heavy duty applications
Advanced Cooling System
The standard cooling package provides high reliability in 50℃ ambient conditions.
Shock pad mounts ensure reliability under severe applications
Solid Structure
Structures undergo Finite Element Analysis (FEA) and On Machine Stress Analysis (OMSA) to ensure durability
Performance Series (PS) buckets improve loading capability
Serviceability
Centralized lubrication points reduce maintenance time
System pressure test ports are standard
Easy access to external air charge connecting port
Engine hood grill opens for easy service access
Torque convertor is isolated from transmission making it easy to service
Safety
Safety design complies with all regulatory requirements
Machine is designed with 3 points of contact to ensure operator safety
A backup alarm, horn and beacon ensure operational safety with ground personnel
Caterpillar Production System (CPS) leveraged in manufacturing process
Environmentally friendly painting process
Product Parameter
| Main Specifications | |
|---|---|
| Rated Load | 5000 kg |
| Operating Weight with Standard Bucket | 16900 kg |
| Bucket Capacity | 2.7-4.5 m³ |
| Wheel Base | 3300 mm |
| Overall Dimension (mm) | 8279*2963*3457 |
| Engine | |
| Model | Weichai WD10G |
| Rated Power | 162 kW |
| Rated Speed | 2000 r/min |
| Displacement | 9.726 L |
| Operating Specifications | |
| Breakout Force | 178 kN |
| Dump Clearance | 3113 mm |
| Articulated Angle | 38±1 ° |
| Implement Hydraulic | |
| Implement System Type | Single load sensing flow sharing system |
| Boom Raise Time | 5.13 s |
| Hydraulic Cycle Time | 9.3 s |
| System Presure Setting | 18 Mpa |
| Transmission | |
| Transmission Type | Countershaft, power shift |
| Transmission Gears | F4/R4 |
| Torque Converter Type | Sigle stage 3 elements |
| Maker & Type | TR200 |
| Forward I/ Reverse I | 7.8/7.8 km/h |
| Forward II/ Reverse II | 15/15 km/h |
| Forward III/ Reverse III | 22/22 km/h |
| Forward IV/ Reverse IV | 39/39 km/h |
| Brake System | |
| Service Brake | Dry & caliper, air to oil control |
| Parking Brake | Drum type shoe brake, spring applied & oil released |
| Steering System | |
| System Type | Flow amplifying |
| Steering Pump Type | Piston pump |
| System Presure Setting | 16 Mpa |
| Steering Angle (L/R) | 38±1 ° |
| Axle | SO32 |
| Main Drive Type | Spiral bevel gear, single stage |
| Final Drive Reduction Type | Planetary type, singe stage |
| Rear - Oscillating +/- | ±11 ° |
| Tires | |
| Size | 23.5-25 |
| Type | Bias |
| Layer | 16 |
| Textured Type | L3/E3 |
