crawler hydraulic Rotary drilling rig SR250

1.high working efficiency,
2.stable performance perfect customer support,
3.energy saving and environment- friendly,

Contents Rotary drilling rig is widely used in urban high-rise buildings, railways, highways, bridges, airports, ports and other bored pile foundation construction , features wide application range, high working efficiency, stable performance perfect customer support, energy saving and environment- friendly, which now has became the most famous brand in China.

SR250

	Unit	Parameters
Max. pile diameter	mm	2300
Max. pile depth	m	70
Max. output torque	kN.m	250
Speed of rotation	rpm	7-26
Crowd stroke	mm	5300
Main winch rope diameter	mm	32
Line pull(1st layer)	kN	256
Max. line speed	m/min	63
Auxiliary winch rope diameter	mm	20
Line pull(1st layer)	kN	98
Auxiliary max. line speed	m/min	70

Engine	CAT C9HHP	Mitsubishi 6D24-TL
Engine power	kW(HP) 261(350)@1800rpm	kW(HP) 250(337)@2000rpm
Style	4-storke, water-cooled, overhead value type and electronic injection
Intake form	Turbocharged, inter cooling
Fuel	Diesel oil(JIS Type 2)	Diesel oil
Displacement	EU stage III/EPA Tier 3	EU stage III/EPA Tier 3
NO. of cylinder-bore × stroke	6-112mm×149mm  6-4.4×5.9 in	6-130mm×150mm  6-5.1×5.9 in
Rated power	261kW@1800rpm 350hp@1800rpm	250kW@2000rpm 337hp@1800rpm
Max. output torque	1557N.m@1400rpm 1149lbf.ft@1400rpm	1275N.m@1200rpm 918lbf.ft@1200rpm

 

Chassis		CAT336D	SY460R
Length of chassis	mm	7135	7035
Operating width	mm	4300	4490
Crawler width	mm	800	800
Swing radius (foreside/backside)	mm	5060/4365	5060/3900
Transport width	mm	3000	3190
Transport height	mm	3400	3520
Traction force	kN	510	520
Total weight (with standard Kelly bar)	ton	70	71