Information
Main feature
1. Enclosed cab, broader vision, driving indoor noise reduced, in line with state regulations, increased reliability, the assembly of a new shock absorber, thereby greatly increasing the driver's cab of the seismic effect.
2. Single-stage three components torque converter, parallel Coaxial transmission, high reliability, transmission, torque converter separated structure, performance, reliability, easy maintenance.
3. With Meichi bridge , reliability function. Shifting to a full hydraulic steering, manipulation of flexible, lightweight.
4. Light flexible manipulation, Cat hydraulic valve, stable quality, reliable and improve the performance of the hydraulic systemStructural design of the limited use of FEA analysis, to override condition Compatibility Xichai 6110 engine, re-optimization, match and enhance the effective power, an increase of operating power and performance to the cooling system was optimized design, upgrading the cooling system performance, extended the life of components, to strengthen growth A cold-start capability.
Wheel loader 638 specifications
Engine
| Cummins6BT5.9 |
For 638 only |
| Ratedspeed |
2400rpm |
| Ratedpower |
92kw |
| Cylinderbore×stroke |
102mm×120mm |
| Max.torque |
425n.m |
| Displacemnt |
5.88L |
Powertrain
| Torqueconverter |
3-element,singlestage |
| TransmissionSEMTRN150 |
countershaft |
| Gearshift |
Ι |
ΙΙ |
ΙΙΙ |
IV |
| Forward |
7.7 |
14.2 |
26.5 |
43.6(km/h) |
| Reverse |
9.7 |
32 |
|
|
Axle
Four wheel drive,front axle fixed,rear axle oscillating,osciilating angle of rear axle+-12 degree
Hydraulic system
| Workingpressure |
16.5MPa |
| Boomliftingtime |
4.82s |
| Bucketdumpingtime |
1.07s |
| Boomloweringtime |
3.24s |
| Pilotcontrolling |
For638only |
Brake system
| Service brake |
Air assisted oil disc
type four wheel brake |
| Parking brake |
Hoof type |
| Bucket capacity |
1.7m³ |
Steering system
Pivoting angle of frame 38 degree
Load sensing hydraulic steering system
Tank capacity
| Fuel tank |
51L |
| Hydraulic tank |
138L |
Tire
| Size |
17.5-25 |
| P.R. |
12 |
| Pattern |
L3/E3 |
| Operaing weight |
9420kg |
| Performance specifications |
| Breakoutforce |
128kn |
| Max.rim-pull |
97kn |