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PIPELAYER

SP70Y
ENGINE POWER
257kw/2000rpm
OVERALL WEIGHT
47500kg
ENGINE MODEL
NTA855-C360S10
SP70Y
  • Characteristics
  • parameters
  • cases
  • recommendations
characteristic
  • Easy maintenances
  • Operating performance
  • Working adaptability
  • Power System
  • Easy maintenances

    ● Structural parts have stable quality and excellent performance.

    ● The wire harness branches through seamless bellows and splitters, providing high level of protection.

    ● Using world-renowned brand electrical and hydraulic parts, the quality is stable and reliable.

  • Operating performance

    ● The control of the working device consists of luffing control, lifting control and counterweight control. The hydraulic reversing valve is controlled by a pressure-reducing pilot control valve, which is simple and labor-saving in control, with good fine-tuning performance, and is easy to install on the body.

    ● There is one joystick for the control of hook and boom, and another one for the counterweight control, which can be operated conveniently and quickly under various working conditions, and ensure the user’s precision requirements with high efficiency.

    ● The hydraulic motors of the hook and boom winches offer high volumetric efficiency, and the balancing valve eliminates secondary skidding of the winch and shaking of the empty hook. Moreover, the clutch in the hook winch enables free lowering of the hook.

  • Working adaptability

    ● Chassis has a good stability, low fuel consumption and cost-saving.

    ● The working range of the boom is wide, and the lifting and lowering speed of the hook is fast.

    ● Large bearing capacity, heavy lifting capacity and high work efficiency.

    ● The hook, boom, and counterweight can choose speed freely and realize combine motions.

    ● Both the hook and the jib winch use three-stage planetary gears for deceleration and torque increase, with high safety factor and high mechanical efficiency.

  • Power System

    ● The Cummins engine adopts high-efficiency fuel injection pump, which has the characteristics of excellent performance, stable quality, strong component versatility, and low maintenance cost.

parameter
Product SP70Y
Performance parameters
Operating weight (Kg) 47500
Maximum lifting capacity(T) 70
Rated power of engine(kw/hp) 257
Minimum turning radius (mm) 3950
Ground pressure (Mpa) 0.086
Engine
Engine model NTA855-C360S10
Number of cylinders× cylinder diameter× stroke(mm×mm) 6-139.7×152.4
Rated power/rated speed (kw/rpm) 257/2000
Maximum torque (N.m/r/min) 1509/1400
Overall dimensions of machine
Length (mm) 5560
Width (mm) 3940
Height (mm) 3395
Driving performance
Forward gear 1/Reverse gear 1 (km/h) 0-3.7/0-4.5
Forward gear 2/Reverse gear 2 (km/h) 0-6.8/0-8.2
Forward gear 3/Reverse gear 3 (km/h) 0-11.5/0-13.5
Traveling system
Hydraulic torque converter Three-element single-stage and single phase
Transmission Planetary gear, multi-plate clutch, and hydraulic + forced lubrication type
Main drive Spiral bevel gear, one-stage deceleration and splash lubrication
Steering clutch Wet type, multi-plate spring applied, hydraulically released, and manually-hydraulically operated
Steering brake Wet type, floating belt type, and hydraulically assisted
Final drive Two-stage straight gear reducer and splash lubrication
Chassis System
Suspension mode Rigid crossbeam structure
Center distance of track (mm) 2380
Width of track shoes (mm) 760
Ground length (mm) 3620
Number of track shoes (One-sided/piece) 45
Chain track pitch(mm) 228
Number of carrier rollers (One-sided) 2
Number of track rollers (One-sided) 9
Working hydraulic system
Working pump Fixed displacement gear pump, with maximum displacement at 201.5ml/r
Pilot pump Fixed displacement gear pump, with maximum displacement at 10ml/r
Operating valve Proportion multi-way valve
Counterweight cylinder bore(mm) φ125
Tank capacity
Fuel tank (L) 550
Working hydraulic oil tank (L) 400
Working device
Maximum lifting height(mm) 6550
Hook lifting speed m/min 0~6.5
Boom length (m) 7.3 (Optional 9.0)
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