JINTAI SD25 Hydraulic Rotary Drilling Rig

Overview

Category Bored Piles
Mast Structure Parallelogram Mast Type
Max Torgue 250 kNm
Max Diameter 2,000 mm
Max Depth 70 m
Weight 55 ton

Description

The SD25 is a self erecting, 75 ton drilling rig particularly suitable for drilling great diameters using the kelly bar system and with casing tubes directly with the rotary.

Technical Specification

Rotary

Torque 250 kNm 184,391   ft. lbs
Crowd Cylinder Push – Pull Force 250 – 250 kN 56,202 – 56,202 lbf
Crowd Cylinder Stroke 5,700 mm 19 ft
Crowd Winch Push – Pull Force 250 – 250 kN 56,202 – 56,202 lbf
Crowd Winch Stroke 10,000 mm 33 ft
Maximum Speed of Rotation 30 rpm 30 rpm

Winch System

Main Winch – Line Pull 220 kN 49,458 lbf
Main Winch – Rope Diameter 28 mm 1.10 in
Auxiliary Winch – Line Pull 75 kN 16,861 lbf
Auxiliary Winch – Rope Diameter 18 mm 0.71 in

Engine

Brand CUMMINS
Model QSL-9
Engine Output 221 kW @ 1,850 rpm 296 hp @ 1,850  rpm

Hydraulic System

Hydraulic Pressure 330 bar 4,786 psi

Expandable Crawlers

Length 5535 mm 18 ft
Width 3200/4300 mm 10.49/14.10 ft
Shoe Width 800 mm 2.625 ft

Weight & Height

Mast Height 23.0 m 75 ft
Self Weight (Without drilling tools) 67.5 ton 148,812 lbs
Operating Weight 80.5 ton 177,472 lbs