Overview
Machine location:
United States
Stock number:
PF 41144
Manufacturer:
Marini
Model:
MR-P 400
Year of manufacture:
2022
Working hours:
335
Key features
Compact hydraulic crawler piling drill rig designed for bored piling applications. Equipped with a Yanmar Stage IV Final diesel engine, R40 rotary head delivering 40 kNm of torque, hydraulic pull-down mast, main and service winches, variable-width crawler undercarriage and 360° rotating upper structure.
Supplied complete with Kelly bar and CFA kit, offering versatility for both CFA and rotary bored piling applications.
Suitable for bored piles up to 1,200 mm diameter, with a maximum Kelly drilling depth of 27 m. The MR-P 400 is ideal for restricted-access and challenging job sites.
Machine specs
335 working hours
Drilling Performance
- Maximum drilling diameter – below mast: 1,200 mm
- Maximum drilling diameter – front mast: 750 mm on supplied build specification
- Manufacturer maximum front mast diameter: Up to 850 mm depending on configuration
- Maximum Kelly drilling depth: Approx. 27 m
- Pull-down stroke: 1,200 mm
- Maximum pull-down / feed force: 9,000 daN / 90 kN
- Maximum pull-up / extraction force: 6,000 daN / 60 kN
Rotary Head
- Model: R40
- Maximum torque: 4,000 daNm / 40 kNm
- Working rotation speed: 0–45 rpm
- Spin-off speed: 75 rpm
- Drive: Twin hydraulic motors
- Speed / torque control: Automatic
- Lubrication: Oil lubricated gearbox
Mast
- Type: Hydraulic cylinder pull-down mast
- Cylinder stroke: 1,200 mm
- Maximum pull-down force: 9,000 daN
- Maximum pull-up force: 6,000 daN
- Maximum tool diameter below mast: 1,200 mm
- Maximum tool diameter front mast: 750 mm – supplied configuration
- Mast movement: ±10° on X and Y axes
- Counter-slide stroke: 1,200 mm
Main Winch
- Maximum first-layer line pull: 6,500 daN / 65 kN
- Rope diameter: 16 mm
- Control: Controlled descent
- Safety: Main winch line limit switch
Service Winch
- Maximum first-layer line pull: 2,700 daN / 27 kN
- Rope diameter: 10 mm
Engine
- Make: Yanmar
- Model: 4TNV98CT
- Engine capacity: 3,319 cc
- Engine power: 54 kW / 73 HP
- Emissions: Tier IV Final
- Electrical system: 24 V
- Diesel tank capacity: 105 L
Hydraulic System
- Main pump: Variable-displacement axial piston pump
- System type: Load sensing
- Hydraulic oil tank capacity: 90 L
- Hydraulic circuit capacity: 120 L
- Hydraulic filtration: Return-line filter
Undercarriage
- Type: Variable-width crawler undercarriage with rubber pads
- Track width: 2,320–2,920 mm
- Track length: 2,860 mm
- Track pad width: 450 mm
- Maximum travel speed: 5 km/h
- Maximum climbing ability: 60%
- Drive: Twin hydraulic track motors with negative brakes and motion-control valves
- Front stabiliser blade: Fitted
Upper Structure / Articulation
- Upper structure rotation: 360°
- Mast inclination: ±10° in X and Y axes
- Counter-slide: Hydraulic
- Counter-slide stroke: 1,200 mm
Cabin
- Cabin certification: ROPS / TOPS
- Climate control: Automatic
- Rear-view mirrors: Fitted
- Front protective grid: Certified
- Upper protective grid: Certified
- Radio: Bluetooth audio system with speakerphone
- Monitoring: Display for drilling parameters and mast inclination
Transport Dimensions and Weight
- Length: Approx. 7,380 mm
- Width: Approx. 2,320 mm with tracks retracted
- Height: Approx. 2,675 mm
- Base machine weight: Approx. 15,500 kg without Kelly bar and drilling tool
Enquire about this machine
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Or give us a call: +44 (0) 1642 206 100
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Enquire about this machine
Fill in your details below and we’ll will be in touch with more information
Or give us a call: +44 (0) 1642 206 100