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TR280D Rotary Drilling Rigs
Home - Products - Rotary Drilling Rig - TR280D Rotary Drilling Rig Drilling depth 85m,Drilling diameter 2500mm,Torque 280kN.m
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TR280D Rotary Drilling Rig Drilling depth 85m,Drilling diameter 2500mm,Torque 280kN.m

TR280D Rotary Drilling Rigs new design with advanced technology, composed of advantages based on ORIGINAL Caterpillar undercarriage. They are the most versatile and used for deep foundation, such as construction of railway, highway, bridge and skyscraper.

We can design and manufacture drilling rigs and piling machine according to customers requirements.

TR280D Rotary Drilling Rigs new design with advanced technology, composed of advantages based on ORIGINAL Caterpillar undercarriage.
They are the most versatile and used for deep foundation, such as construction of railway, highway, bridge and skyscraper.
The rotary drilling rigs can be specially equipped with telescopic friction & interlocking Kelly bar, and casing oscillator for suiting the following applications:
Cased bore piles with casing driven adapter through rotary head or optionally by casing oscillator powered by the base carrier itself;
Deep bored piles stabilized by drilling fluid or dry hole;
Soil Displacement Piling System

Main Features of TR280D Rotary Drilling Rig
- High stability and quality original caterpillar base
- Compact powerful rotary head
- Emergency mode of operation for engine
- PCL controller for all electrically actuated functions, colorful LCD display
- Mast support unit
- Original Patented driving structure of double motors and double reduces
- Controlled free-fall main and auxiliary winch
- Innovative enhanced electro-hydraulic proportional system
- Ease of transport and quickly assembly


Technical Parameters
Euro Standards U.S. Standards
Max drilling depth 85m 279ft
Max hole diameter 2500mm 98in
Engine model CAT C-9 CAT C-9
Rated power 261KW 350HP
Max torque 280kN.m 206444lb-ft
Rotating speed 6~23rpm 6~23rpm
Max crowd force of cylinder 180kN 40464lbf
Max extraction force of cylinder 200kN 44960lbf
Max stroke of crowd cylinder 5300mm 209in
Max pulling force of main winch 240kN 53952lbf
Max pulling speed of main winch 63m/min 207ft/min
Wire line of main winch Φ30mm Φ1.2in
Max pulling force of auxiliary winch 110kN 24728lbf
Undercarriage CAT 336D CAT 336D
Track shoe 800mm 32in
Undercarriage width
3000-4300mm 118-170 in
Whole machine weight (with kelly bar) 78T 78T

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