Komatsu PC18MR-3 Mini Excavator


Dimensions

Tail Swing Radius 2.35 ft in (715 mm)
Track Gauge 3.43 ft in (1045 mm)
Track Shoe Width 0.76 ft in (230 mm)
Crawler Length 5.11 ft in (1555 mm)
Boom Swing Angle Lh 70 degrees
Boom Swing Angle Rh 50 degrees
Bucket Offset Lh 1.53 ft in (465 mm)
Bucket Offset Rh 2.58 ft in (785 mm)
Overall Length 11.98 ft in (3650 mm)
Overall Height 7.91 ft in (2410 mm)
Overall Width 4.2 ft in (1280 mm)

Undercarriage

Number Of Shoes Per Side 35
Max Drawbar Pull 3747.86 lb (1700 kg)
Number Of Carrier Rollers Per Side 0
Adjustment Of The Track Tension Grease
Number Of Track Rollers Per Side 3

Electrical System

Starter 1.2 kW
Operation Voltage 12 V
Battery 41 Ah
Alternator 40 A

Engine Details

Flywheel Horsepower 15.1 hp (11.2 kw)
Number Of Cylinders 3
Piston Displacement 47.5 cu in (0.8 L)
Engine Model Komatsu 3D67E-2
Engine Type Swirl chamber
Power Measured @ 2600 rpm
Fan Drive Type Mechanical

Capacities

Fuel Tank Capacity 5.1 gal (19 L)
Hydraulic Tank 4.1 gal (15.2 L)
Engine Oil 0.9 gal (3.3 L)
Coolant 0.9 gal (3.1 L)

Operational Specs

Boom Size 5.8 ft in (1.8 m)
Boom Type Standard​
Arm Size 3.2 ft in (1 m)
Arm Crowd Force – Iso 1010 kgf
Digging Reach – Maximum 13.3 ft in (4025 mm)
Maximum Reach @ Ground Level 13 ft in (3935 mm)
Bucket Crowd Force – Iso 1620 kgf
Swing Radius 2.4 ft in (715 mm)
Bucket Size – Kga Standard Gp 0.1 yd3
Digging Depth – Maximum 7.1 ft in (2160 mm)
Arm Type Standard​

Performance

Travel Speed (Maximum) 2.7 mph (4.3 km/h)
Travel Speed (Minimum) 1.5 mph (2.3 km/h)
Swing Speed 8.9 rpm
Ground Pressure 4.6 psi (31.8 kPa)
Max. Traction Force 3747.9 lb (1700 kg)
Gradeability 30 degrees
Bucket Digging Force (Iso) 3571.5 lb (1620 kg)
Arm Crowd Force (Iso) 2226.7 lb (1010 kg)

Weights

Operating Weight 3924.3 lb (1780 kg)

Hydraulic System

Type Of Hydraulic Pump Variable capacity x 1 gear x 1
Max. Oil Flow 41.6 x 1 + 12.7 11.0 x 1 + 3.4
Hydraulic Motor (Travel) Variable capacity x 2
Hydraulic Motor (Swing) fixed capacity x 1
Max. Pressure Setting 3340 psi (23028.5 kPa)
Auxiliary Hydraulic Flow 9.3 gal/min (35 L/min)

Blade

Blade Width 990 or 1280 mm
Blade Height 9.9 in (250 mm)

Drive System

Drive Method Hydrostatic
Type Of Travel Brake Hydraulic lock type
Type Of Travel Shoe Rubber
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