SEM 638 wheel loader
August 2, 2022
SEM 639C wheel loader
August 2, 2022
SEM 639/639B wheel loader
Quick details
| Brand: Caterpillar/SEM | Type: wheel loader |
| Model: SEM 639B/639 | Rated load: 3.0 ton |
| Operating weight: 9,900 kgs | Bucket capacity: 1.7 m3 |
| Engine power: 92 kw | Warranty: 1 year |
Machine specifications
* Excellent productivity and fuel efficiency, with more reliability reinforcements
* Optimized DEUTZ WP6G Stage II engine, high fuel efficiency from advanced design and manufacturing technology;
* Premium cabin with head rest and hand rest, joystick hydraulic control, user-friendly monitor and control systems.
* Larger bucket, shorter cycle time, heavier counterweight for more payload;
* Outstanding cooling system, -20~+43 ambient temperature capability
* Optimized braking system with additional booster for reliable braking performance;
* Classic SEM transmission with more than 30 years’ manufacturing experience, in -house made, countershaft, power-shift design with great reliability and durability;
* World class hydraulic components like hydraulic Valve and SAE & DIN standard hoses from world class sourcing, delivering best in class performance
* Large side open door and centralized testing points provides excellent maintenance access ability
* Best-in-class electrical system, optimized wiring harness design and routing
Machine data
| 639B | |
|---|---|
| Rated Load | 3000KG |
| Bucket Capacity | 1.7/2.5m3 |
| Operation Weight | 9900KG |
| Dimension | |
| Length | 7120 mm |
| Width(outside of bucket) | 2440 mm |
| Height | 3137 mm |
| Wheel Base | 2740 mm |
| Dump Reach | 1063 mm |
| Dump Clearance(To Teeth) | 3046 mm |
| Bucket Pin ﹫ Highest | 3916 mm |
| Engine | |
| Model | Deutz TD226B |
| Rated Power | 92KW ﹫2200 rpm |
| Bore | 105 mm |
| Stroke | 130 mm |
| Displacement | 6.75 L |
| Peak Torque | 515 KN |
| Operation Specifications | |
| Max. Rim-Pull | 98 KN |
| Breakout Force | 118 KN |
| Static Tipping Load | 57 KN |
| Hydraulic System | Pilot Control |
| Implement Pump Flow | 97 ml/r |
| System Pressure | 18 Mpa |
| Boom Raise | 5.0 s |
| Bucket Dump | 1.2 s |
| Boom Lower | 3.2 s |
| Circulations | 9.4 s |
| Steering System | |
| Steering Angle | 38 degree |
| System Pressure | 14 Mpa |
| Min. Turning Radius over wheel center | 4888 mm |
| Min. Turning Radius over outside of Bucket | 5744 mm |
| Transmission | Countershaft, Power-shift, 3 Element Torque Converter |
| Model | TR150 |
| Travel Speed | I II III IV |
| Forward | 7.3 13 24 38 |
| Reverse | 9.1 32.4 |
| Axle | |
| Front Axle | Fixed with front frame |
| Rear Axle | Fixed with Oscillating Frame ±12 |
| Brake System | |
| Service Brake | Dry Caliper with Disc , Air-over-oil |
| Parking Brake | Drum Type, Spring Applied & Air-released |
| Tire | |
| Size | 17.5-25 |
| Layer | 12 |
| Texture | L-3/ E-3 |
| Tire Pressure (F/R) | 350 Kpa / 300 Kpa |
| Service Refill Capacity | |
| Fuel Tank | 150 L |
| Hydraulic Tank | 180 L |
| Engine Oil | 18 L |
| Cooling System | 30 L |
| Transmission | 45 L |
| Axle (F/R) | 10 L / 10L |
Machine photos
