JINTAI SD20C Hydraulic Rotary Drilling Rig

Overview

Category Bored Piles
Mast Structure Parallelogram Mast Type
Max Torgue 200 kNm
Max Diameter 2,000 mm
Max Depth 60 m
Weight 66 ton

Description

The SD20C 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 200 kNm 147,512   ft. lbs
Crowd Cylinder Push – Pull Force 200 – 200 kN 44,962 – 44,962 lbf
Crowd Cylinder Stroke 5000 mm 16 ft
Crowd Winch Push – Pull Force 200 – 200 kN 44962 – 44962 lbf
Crowd Winch Stroke 10000 mm 33 ft
Maximum Speed of Rotation 30 rpm 30 rpm

Winch System

Main Winch – Line Pull 200 kN 44,962 lbf
Main Winch – Rope Diameter 26 mm 1.02 in
Auxiliary Winch – Line Pull 75 kN 16,861 lbf
Auxiliary Winch – Rope Diameter 18 mm 0.71 in

Engine

Brand CUMMINS
Model C8.3
Engine Output 196 kW @ 1,900 rpm 263 hp @ 1,900 rpm

Hydraulic System

Hydraulic Pressure 330 bar 4,786 psi

Expandable Crawlers

Length 5,400 mm 18 ft
Width 3150/4300 mm 10.33/14.10 ft
Shoe Width 700 mm 2.3 ft

Weight & Height

Mast Height 21.57 m 71 ft
Self Weight (Without drilling tools) 57.5 ton 126,766 lbs
Operating Weight 66 ton 145,505 lbs