
山工 638 Wheel Loader
•Optimized Cummins engine delivers excellent fuel efficiency and productivity;
•Comfortable cabin with head rest and hand rest, pilot control reduces fatigue;
•Outstanding cooling system, -20~+43 ambient temperature capability
•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
| Main Specifications | |
|---|---|
| Rated Load Capacity | 3,000 kg |
| Operating Weight | 9,340 kg |
| Bucket Capacities | 1.7-2.5 m³ |
| Overall Dimensions L*W*H | 6802x2248x3215 mm |
| Engine | |
| Model | Cummins 6BT5.9 |
| Rated Gross Power | 92 kW/123 hp |
| Peak Torque | 425 Nm |
| Operating Specifications | |
| Max.Rimpull | 97 kN |
| Breakout Force | 128 kN |
| Hydraulic System Pressure Setting | 16.5 MPa |
| Hydraulic Cycle Times | 9.13 s |
| Steering System | |
| Steering Angle Left/Right | 38º±1º |
| Minimum Turing Radius Over Rear Tire | 4,857 mm |
| Transmission | SEM TR101 |
| Type | Countershaft Powershift |
| Gears | F4/R2 |
| Axle | |
| Brand | Meritor-30 |
| Front | Fixed with Calipers |
| Rear | Fixed with Osc.Frame and Calipers |
| Brake System | |
| Service Brake | Dry & Caliper, Air-to-Oil Control |
| Parking Brake | Drum-Type Shoe Brake,Spring Applied &Air Released |
| Tires | |
| Size | 17.5-25 |
| Type | Bias |
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