WHEEL LOADER SEM656D
Machine Applications
- The sturdy design of the SEM 656D makes it the perfect machine for port cargo handling, mineral yards, steel mills and other high demand applications
- In Quarry and Aggregate and Coal Mining applications the 656D can load more, move faster and burn less fuel
- Multiple work tools are available for increased versatility
Optimized Engine
- 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
| Item | Unit | Params |
| Main Specifications | ||
| Rated Load | kg | 5000 |
| Operating Weight with Standard Bucket | kg | 16800 |
| Bucket Capacity | m3 | 2.7-4.5 |
| Wheel Base | mm | 3300 |
| Overall Dimension | mm | 8279x2963x3457 |
| Engine | ||
| Model | Cummins 6LT9.3 | |
| Rated Power | kW | 162 |
| Rated Speed | r/min | 2000 |
| Displacement | L | 9.242 |
| Operating Specifications | ||
| Breakout Force | kN | 178 |
| Dump Clearance | mm | 3113 |
| Articulated Angle | ° | 38±1 ° |
| Implement Hydraulic | ||
| Implement System Type | Single load sensing flow sharing system | |
| Boom Raise Time | s | 5.13 |
| Hydraulic Cycle Time | s | 9.3 |
| System Presure Setting | Mpa | 18 |
| Transmission | ||
| Transmission Type | Countershaft | power shift |
| Transmission Gears | F4/R4 | |
| Torque Converter Type | Sigle stage 3 elements | |
| Maker & Type | TR200 | |
| Forward 1/ Reverse 1 | km/h | 7.8/7.8 |
| Forward 11/ Reverse II | km/h | 15/15 |
| Forward III/ Reverse III | km/h | 22/22 |
| Forward IV/ Reverse IV | km/h | 39/39 |
| 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 | Mpa | 16 |
| Steering Angle (L/R) | ° | 38±1 ° |
| Axle | ||
| 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 | |
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