Home Products Rotary drilling rig SANY RIG Heavy-duty SANY SR250 Rotary Drilling Rig

Heavy-duty SANY SR250 Rotary Drilling Rig

Description

Item	Value	Unit
Model	SR250	-
Max. Output Torque	250	kN·m
Max. Drilling Diameter	2300	mm
Max. Drilling Depth (Friction Kelly Bar)	69	m
Max. Drilling Depth (Interlocking Kelly Bar)	54	m
Rotary Head Speed	6–28	rpm
Max. Crowd Force	208	kN
Max. Pull-out Force	256	kN
Operating Weight	74000	kg
Engine Rated Power	242 @ 2000	kW/rpm
Main Winch Lifting Capacity	256	kN
Chassis Type	Retractable Crawler Chassis	-
Emission Standard	EU Stage III / EPA Tier 3	-

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Detailed description

Description

Core Advantages

Stable Torque Performance: 250 kN·m rated torque, adaptable to clay, sand, moderately weathered rock and conventional foundation strata, with stable and efficient drilling performance.

Wide Application Scenarios: Ideal for medium & large-sized projects (urban high-rises, bridges, industrial parks, municipal engineering), compatible with standard drilling accessories.

Reliable & Cost-Efficient: Built with high-quality imported core parts, robust heavy-duty structure, low failure rate, easy maintenance and reduced long-term operation cost.

Compact & Easy Transport: Retractable crawler design, reasonable transport dimension, flexible for site relocation and various construction spaces.

Environmentally Friendly & Compliant: Meets international mainstream emission standards, low noise and exhaust, suitable for global urban and overseas engineering projects.