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.
Suitable for bored piles up to 1,200 mm diameter, with a maximum Kelly drilling depth of approximately 27 m, depending on configuration. Marini describes the MR-P 400 as a compact piling rig designed 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
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
Download PDF
Fill in your details below to download a spec sheet
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