The Marini MR-C35 is a compact, radio-controlled track-mounted hydraulic drilling rig engineered for micro piling, tieback installation, ground anchoring, self-drilling bar placement, and rock consolidation.
Weight class - Approx. 7 ton.
Segmental mast for 1.5, 2.5 and 3.5 m stroke.
Fast conversion from Rotary (micro pile mode/DTHH) to Top Hammer (hallow bars/drifter mode).
Core Features & Capabilities
Modular Power Pack & Mast: Features a detachable hydraulic power station and modular mast, enabling high-performance drilling inside ultra-confined spaces and low-overhead jobsites.
Multi-Directional Articulation: Utilizes a single-section articulated arm that allows positioning the mast for vertical, horizontal, or steep angular drilling in any direction.
Excavator-Mount Variant (MR-C 35A): Offers a removable mast version where the mast can be unbolted from the crawler base and mounted on excavators or telehandlers for extended reach.
Versatile Drilling Heads: Supports various rotary heads (such as the ID 500 or ID 800) delivering up to 1,000 daNm of torque, as well as top hammers/drifters (such as the MA 500/2 ID) for hard rock percussion drilling.
Radio Remote Operations: Fully proportional radio controls allow operators to maneuver the tracks and operate drilling functions from safe vantage points.
High-Torque Clamp System: Equipped with hydraulic double clamps (passage up to 230 mm) rated for 18,000 daN clamping force and high break-out torque to speed up rod and casing handling.
Technical specifications for the Marini MR-C35 hydraulic crawler drill rig
General Machine Specifications & Dimensions:
Operating Weight: ? 6,500 kg (14,329 lbs)
Transport Dimensions (L × W × H): 5,250 mm × 1,500 mm × 2,500 mm (17.22 ft × 4.90 ft × 8.20 ft) Wheelbase: 1,570 mm (5.15 ft)
Undercarriage Track Width: 1,700 mm (5.57 ft) |
Optional variable width: 1,200 – 1,700 mm (3.94 – 5.57 ft)
Track Pad Width: 300 mm (0.98 ft)
Travel Speed: 2.0 km/h (1.25 mph) Max Gradeability: 80%
Power Unit Options Diesel Engine: Kohler KDI 2504 TCR – 55 kW (75 HP) 2,900 rpm
Electric Motor Option: 55 kW (75 HP) 3,000 rpm
Main Hydraulic Pump Flow: 160 L/min 200 bar (42.26 gal/min 2,900 psi)
Hydraulic Oil Tank Capacity: 200 L (52.83 gal)
Fuel Tank Capacity (Diesel): 90 L (23.78 gal)
Fuel Consumption: 5 L/h (1.31 gal/h)
Mast & Feed Performance Standard Mast Type: CID 250 (Modular Removable Mast)
Feed Stroke (CID 250): 3,300 mm (10.80 ft)
Total Mast Length (CID 250): 5,350 mm (17.55 ft)
Feed Force / Retract Force: 3,500 daN (7,868 lbf) / 3,500 daN (7,868 lbf) Removable Attachment Mast (CID 150 for MR-C 35A): 3,500 mm stroke | 5,400 mm total length | 2,500 daN force
Rotary Head
Rotary Head: Max torque 1,000 daNm (7,375 ft·lb) |
Max speed 45/90 rpm | 1" 1/2 inner passage
ID 500 Rotary Head: Max torque 500 daNm (3,688 ft·lb) |
Max speed 40/80 rpm | 1" 1/4 inner passage
MA 500 2 ID Rock Drill / Drifter: Max torque 500 daNm (3,688 ft·lb) |
Impact energy 320 Nm (236 ft·lb) |
Impact frequency 2,100 – 2,300 cpm Drift / Self-Drilling Rod Compatibility: R25 / R32 / R38 / R51 / Ischebeck Titan 30/40/52 / C90-R51
Clamps, Winch & Accessories
Hydraulic Double Clamp Mod 70/230: Clamping range Ø 70 – 230 mm (2.74 – 9.0 in) |
Clamping force 18,000 daN 220 bar (40,465 lbf) | Breaking torque 4,000 daNm (28,933 ft·lb) Hydraulic Double Clamp Mod 70/188: Clamping range Ø 25 – 230 mm (0.98 – 9.0 in) |
Clamping force 7,500 daN 220 bar (16,540 lbf) | Breaking torque 1,500 daNm (11,063 ft·lb) Hydraulic Winch Mod 500: Max pull 500 daN (1,100 lbf) | Cable length 20 m (66 ft) | Cable diameter 6 mm (0.23 in) Foam Pump: Working pressure 100 bar (1,450 psi) | Flow rate 15 L/min (3.96 gal/min)
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