XN777excavation car loader

XN777excavation car loader

XN777 series excavator is economic multi-purposes machine newly developed by our company, which is also known in china as two-ends busy because it could dig, load &unload, level, transport, smash, revolving dig etc. there are two choices for customers such as four-drives XN7774Ltwo-drives XN7772L. The most important is its superior performance and reasonable price to make users get the fast benefit reciprocation.   The main characteristics are follows:        The most mature hydraulic walking system is selected for its strong driving force and easy and fast to operate.            Four-wheel drive could guarantee good pulling capacity. Double-pipeline four calipers brake is stable and safe.            Wide operation space has good vision and comfortable seat.           Reasonable dynamic match and excellent overall performance with superior operation efficiency.            It could add various work devices to satisfy customers any requirements. 

On A overall width	1,885
B cab overall width	1,030
C cab entire high	2,575
D rear part radius of gyration	1,650
E smallest ground clearance	300
F guide wheel and driving gear center distance	1,990
G shoe belt length	2,500
H belt distance	1,480
I caterpillar band board is wide	400
J span	5,850
K has the caterpillar band overall width	2,000

Hydraulic system

Main pump	Type	Variable axial ram pump
	Maximum current capacity	2*55Lmin (2*14.5USgpm)
	Quantity	2
Forerunner pump	Type	Gear pump
	Maximum current capacity	9.9 Lmin (2.9USgpm)
Rotary motor	Overflow valve	200kgf/cm2 (3,129psi)
Main overflow valve	Moves the arm/bucket arm/scoop	200kgf/cm2 (2,129psi)
	Walks the return route	200kgf/cm2 (2,129psi)

Work scopeUnit: (mm)

Moves the arm length	3,200
Bucket arm length	1,600
A biggest excavation scope	6,200
B biggest digging depth	3,400
C biggest excavation altitude	5,760
D most ex-denning altitude	4,030
Scoop excavation strength (ISO)	37.7KN
Bucket arm excavation strength (ISO)	28.4 KN

XN777excavation car loader