Cummins diesel engine Control of constant power of single pump Starting with zero displacement

1.Cummins diesel engine, water cooled, direct injection, turbo-charged and after cooled, electric control, it satisfies the emission requirement of Europe standard, grade 3 2.Control of constant power of single pump, limited power of three pumps for reasonable distribution of  power3.Starting with zero displacement so as to reduce the moment of resistance at starting T echnique with pressure cut to protect hydraulic system and reduce the system heat 4.Secondary overloading for swing and normal closed brake for swing and travel ensure smoothly brake Integrated oil& water cooler with compact conformation 5.The working attachment realized automatic level crowding with bucket to increase the bucket filling factor6.Attachment designed by CAD, case shape and casting-welding structure realizing the high strength 7.Automatic central lubrication two pumps of system by control of micro-electronics to save daily lubrication 8.Better reliability with Parker hose &seals and Trelleborg cylinder seals 9.The Technique with disassembled undercarriage which is advanced to transport the machine quickly10.LCD displayer, electronic monitoring & alarm, trouble record system11.Cab with fixed elevation and integrated is provided with large tri-dimensional ventilation, fresh air circulation, large capacity air condition without fluorine 12.The operator’s cab with the wide vision field and the streamlined appearance, matching the decoration and function with human nature, and offering the working environment in a car

 

No.	Item		Unit	Date
				Face shovel	Backhoe
1	Machine weight		t	75	73
2	Bucket capacity	Standard	m 3	4.5	3.5
		Range	m 3	4.0~5.5	2.3~5.0
3	Diesel engine	Model		QSM11-C400
		Power /Speed	kW/rpm	298/1800
		Fuel tank Capacity	L	820
4	Hydraulic system	Type		Three pumps and three loops, limit load variable system
		Max. pressure of main oil circuit	MPa	32
		Max. flow of main oil circuit	L/min	2×415
		Swing type		Independence open type
		Flow of swing oil		1×415
		Operating style		Pilot control
		Hydraulic oil tank capacity	L	780
5	Performance	Swing speed	r/min	6.0
		Travel speed	km/h	3.1
		Max. pulling force	kN	457
		Gradeability	%	70
		Ground pressure	MPa	0.098
		Circulating time of operation	s	20
6	Working date	Boom length	mm	4450	7000
		Stick length	mm	2900	3400
		Max. digging radius	mm	9280	12290
		Max. digging depth	mm	2680	7741
		Max. digging height	mm	9745	10286
		Max. unloading height	mm	7680	7340
		Max. digging force of stick	kN	334	233
		Max. breakout force of bucket	kN	357	285