The Ripamonti EX121/SD250 Drill attachment is a drill mast attachment designed to be mounted on medium-duty excavators or carriers.
The EX121/SD250 is extremely versatile and compact. The EX121/SD250 is available in various versions to meet your construction site needs.
 
Technical Specifications:
Excavator Size: Greater than 7 tons
Drill Mast: Speedy Drill 250 Gear Box
Stroke Length: 2300mm standard (optional 3300 max.)
Pull Down / Back: 1500kg
Base Frame and Kinematic:
Includes a plate to attach to your excavator with a:
Single slew WDL343 for mast rotation (180 + 180 degrees)
Back feed 550mm
Side chain system guide for cable and hoses for stroke length longer than 1800mm
Hydraulics: Five proportional valves (rotation, percussion, feed, slew, back feed)
Controls: Radio remote control
Data Log: On request
 
Main Frame Accessories & Options:
Extra Slew: WDL343 unit with 90 degree structure for extra mast inclination
 
Drill Mast Accessories & Options:
Clamp & Breaker Device: 50mm - 156mm or 54mm - 180mm, Hydraulic centraliser 25mm, 32mm, or 38mm, Manual Centraliser for 2", 3" or 4"
Slidramatic: Rotary head lateral movement
Winch: 800kg winch with pulley
Water Pump: 25 litre at 40 bar (580psi)
Lubricator: 1 litre / 8 litre
Dust Collector: On request (depends on size)
Air Compressor: On request (depends on size)
Shank Lubrication Systems: On request
 
Safety Guard Options:
Manual: Manual opening type
Electronic: Electronic front guard and lateral steel guard
Hydraulic: Corner opening hydraulic type
 
Rotary Heads and Drifters:
Rotary Heads: RP100 / RP200 / RP280 or RP500
Drifters: Eurodrill RH1X or RH2X or RH3X, Doofor 430X or 530X or 538L
also floating spindle kit for DTH available
 
Single Slew Version Dimensions:
Width: 1320mm (side on view connected to excavator), SD250/3300 version
Width/Depth: 780mm
Length: 4600mm
 
Double Slew Version Dimensions:
Width: 1320mm (side on view connected to excavator), SD250/3300 version
Width/Depth: 1580mm
Length: 4600mm