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SEM 660B wheel loader
Quick details
| Brand: Caterpillar/SEM | Type: wheel loader |
| Model: SEM 660B | Rated load: 6 ton |
| Operating weight: 19,600 kgs | Bucket capacity: 3.5 m3 |
| Engine power: 175 kw | Warranty: 1 year |
Machine specifications
• Remarkable Performance improvements;
• WDEC Stage II engine, reliable SEM transmissions/axles;
• World class technology hydraulic components and an outstanding cooling system;
• Significant operator comfort/serviceability improvements;
• Premium operator comfort with a user-friendly monitor and control system.
Transmission
• In-house made SEM TR200 power-shift, countershaft gearbox;
• Torque Converter isolated with gearbox, easy approach for service;
• More gears’ selection, 4 forward / 4 reverse.
Hydraulic
• World class hydraulic component;
• SAE&DIN Standard Hose;
• Improved system pressure;
• Joystick control.
Engine
• WD10 Engine meet China Stagel emission control;
• High fuel efficiency;
• SDEC C6121 engine is optional.
Axle
• SEM latest version axle, target on reliability and serviceability;
World class technology background, built for heavy duty application.
Machine data
| 660B | |
| Rated Load | 6000 kg |
| Bucket Capacity | 3.3/5.5 m3 |
| Operation Weight | 19,600 kg |
| Dimension | |
| Length | 8440 mm |
| Width(outside of bucket) | 3075 mm |
| Height | 3410 mm |
| Wheel Base | 3350 mm |
| Dump Reach | 1361 mm |
| Dump Clearance(To Teeth) | 2973 mm |
| Bucket Pin @ Highest | 4196 mm |
| Engine | |
| Model | Shanghai Diesel SC11CB / WD10 |
| Rated Power | 175KW 2200 rpm |
| Operation Specifications | |
| Max. Rim-Pull | 187 kN |
| Breakout Force | 206 kN |
| Hydraulic System | Pilot Control |
| Implement Pump Flow | 113 ml/r |
| System Pressure | 18 Mpa |
| Boom Raise | 5.3 s |
| Bucket Dump | 1.22 s |
| Boom Lower | 3.66 s |
| Circulations | 10.18 s |
| Steering System | |
| Steering Angle | 38 degree |
| System Pressure | 16 Mpa |
| Min. Turning Radius over Wheel Center | 6000 mm |
| Min. Turning Radius ove Outside of Bucket | 7108 mm |
| Transmission | Countershaft, Power-shift, 3 Element Torque Converter |
| Model | SEM TR200 |
| Travel Speed | I II III IV |
| Forward | 8.1 15.2 23.3 39.4 |
| Reverse | 8.1 15.2 23.3 39.4 |
| Axle | |
| Brand | SEM -B |
| Front Axle | Fixed with Front Frame |
| Rear Axle | Fixed with Oscillating Frame ±11 |
| Brake System | |
| Service Brake | Dry Caliper with Disc , Air-over-oil |
| Parking Brake | Drum Type, Spring Applied & Air-released |
| Tire | |
| Size | 23.5-25 |
| Layer | 20 |
| Texture | L-3 / E-3 |
| Tire Pressure (F/R) | 400 Kpa / 350 Kpa |
| Service Refill Capacity | |
| Fuel Tank | 279 L |
| Hydraulic Tank | 170 L |
| Engine Oil | 27.5 L / 21 L |
| Cooling System | 46 L |
| Transmission | 55 L |
| Axle (F/R) | 40 L / 40 L |
Machine photos
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