2024 Komatsu Excavators PC55MR-5
- Year 2024
- Make Komatsu
- Model Excavators
- Engine Model: 4D88E-7
2024 Komatsu Excavators PC55MR-5
2024 Komatsu Excavators PC55MR-5
Engine
Engine Manufacturer
Komatsu
Engine
Model: 4D88E-7
Cooling
Water-cooled, cooled EGR | Fan drive method for radiator cooling: Mechanical
Cylinder Liners
4
Bore
3.46 in | Hydraulic cylinders Boom: 3.54 in | Hydraulic cylinders Arm: 3.35 in | Hydraulic cylinders Bucket: 2.95 in | Hydraulic cylinders Boom swing: 3.74 in | Hydraulic cylinders Blade: 4.33 in
Stroke
3.54 in | Hydraulic cylinders Boom: 27.2 in | Hydraulic cylinders Arm: 28.9 in | Hydraulic cylinders Bucket: 22.8 in | Hydraulic cylinders Boom swing: 24.8 in | Hydraulic cylinders Blade: 5.5 in
Displacement
Piston: 134 in³
Engine Power
SAE J1995 - Gross: 39 HP | ISO 9249 / SAE J1349 - Net: 38 HP
Rated Engine Speed
2,400 rpm
Engine Type
4-cycle,
Aspiration
Naturally aspirated
Lubrication
Swing circle lubrication: Grease-bathed
Motor
Motor Type
Travel: 2 x axial piston motor with parking brake | Swing: 1 x axial piston motor with swing holding brake
Fuel System
Fuel Injection
direct
Drivetrain
Governor
All-speed control, electronic
Steering
control: Two levers with pedals
Drive System
method: Hydrostatic | Swing System method: Hydrostatic
Brakes
Brake System Type
Hydraulic lock | Swing brake: Hydraulic lock | Swing lock: Mechanical disc brake
Parking Brake
Mechanical disc
Operational
Operating Conditions
Gradeability: 30° | Maximum drawbar pull: 9,436 lbf. | Max digging force: 8,768 lbf.
Operating Speed
High: 2.9 mph | Low: 1.6 mph | Swing: 9 rpm
Ground Pressure
ROPS Canopy, Rubber Shoe: 4.12 psi | ROPS Cab, Rubber Shoe: 4.27 psi
Hydraulics
Pump Type
Pumps for: Boom, arm, bucket, and travel circuits | Type: Variable displacement, axial piston | Pumps for: Swing and blade | Type: Fixed displacement gear
Hydraulic Flow
Maximum flow: 40.1 gpm | Maximum flow: 16.6 gpm
Relief Valve Setting
Implement circuits: 3,844 psi | Travel circuit: 3,844 psi | Swing circuit: 3,133 psi | Pilot circuit: 455 psi | Blade circuit (Raise, Lower): 3,133 psi
Hydraulic Type
HydrauMind (Hydraulic Mechanical Intelligence New Design) system
Chassis
Frame Type
Center frame: X-frame | Track frame: Box-section
Dimensions
Dimensions
Shoes: 16 in | Hydraulic cylinders Boom (rod diameter): 1.97 in | Hydraulic cylinders Arm (rod diameter): 2.17 in | Hydraulic cylinders Bucket (rod diameter): 1.97 in | Hydraulic cylinders Boom swing (rod diameter): 1.97 in | Hydraulic cylinders Blade (rod diameter): 1.97 in
Capacities
Fuel Capacity
Engine: 2.2 (2.0) US gal | tank: 17.2 US gal | Final drive (each side): 0.2 US gal
Hydraulic Capacity
14.5 (5.3) US gal
Cooling System
2.4 US gal
Weights
Weight, In Running Order
ROPS Canopy, Rubber Shoe: 11,354 lbs. | ROPS Cab, Rubber Shoe: 11,618 lbs.
Features
Track Type
Sealed | adjuster: Hydraulic
Features
Swing reduction: Planetary gear | Number of shoes (each side): 39 | Number of carrier rollers (each side): 1 | Number of track rollers (each side): 4