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.
Single-stage three components torque converter, parallel
Coaxial transmission, high reliability, transmission, torque converter separated structure, performance, reliability, easy maintenance.
With Meichi bridge , reliability function . Shifting to a full hydraulic steering, manipulation of flexible, lightweight. Light flexible manipulation, Cat hydraulic valve, stable quality, reliable and improve the performance of the hydraulic system
Structural 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.
639SERIES Specifications
Engine XC6110/12G5-SG90 For 639only
Rated speed 2300rpm
Rated power 92kw
Cylinder bore×stroke 110mm×125mm
Max. torque 460n. m
Displacemnt 7. 13L
Powertrain Torqueconverter 3-element, singlestage TransmissionSEMTRN150 countershaft
Gearshift Ⅰ Ⅱ Ⅲ IV
Forward 7. 4 13. 7 25. 3 41. 5(km/h)
Reverse 9. 3 30. 5
Axle Four wheel drive, front axlefied, rear axle oscillating, osciilating angle of rear axle+-12°
Hydraulic system
Working pressure 16.5MPa
Boom lifting time 4.82s
Bucket dumping time 1.07s
Boom lowering time 3.24s
Pilot controlling For 638 only
Brake system
Service brake
Air assisted oildisc type of our wheelbrake
Parking brake
Hoof type
Brake system 1.7m3
Steering system
Pivoting angle of frame 38 degree
Load sensing hydraulic steering system
Tank capacity Fueltank 51L
Hydraulictank 138L
Tire Size 17. 5-25 P. R. 12 Pattern L3/E3
Operating weight 9620kg
Performance specifications
Breakout force 128kn
Max. rim-pull 90. 8kn