- Tail Swing Radius: 2.81 ft / 855 mm
- Track Gauge: 4.11 ft / 1250 mm
- Bucket Offset Rh: 2.78 ft / 845 mm
- Crawler Length: 6.91 ft / 2105 mm
Published dimensions and weight
Komatsu PC30MR-3
The Komatsu PC30MR-3 is a 3.1 t-class mini excavator with a 28.7 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight6922.6 lb3140 kg
03Selected published values61
Mini excavators are commonly used for digging and utility work where access or working space is limited. Published rows for Komatsu PC30MR-3 include published operating weight of 6922.6 lb / 3140 kg, the published “Tail Swing Radius” field of 2.81 ft / 855 mm, the published “Track Gauge” field of 4.11 ft / 1250 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Tail Swing Radius” field (2.81 ft / 855 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Track Gauge” field (4.11 ft / 1250 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Bucket Offset Rh” field (2.78 ft / 845 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Dimensions
Tail Swing Radius2.81 ft855 mm
Track Gauge4.11 ft1250 mm
Bucket Offset Rh2.78 ft845 mm
Crawler Length6.91 ft2105 mm
Boom Swing Angle Lh80 degrees80 degrees
Boom Swing Angle Rh50 degrees50 degrees
Bucket Offset Lh1.91 ft580 mm
Overall Height8.27 ft2520 mm
Overall Width5.09 ft1550 mm
Overall Length14.97 ft4560 mm
Track Shoe Width0.99 ft300 mm
Undercarriage
Number Of Shoes Per Side4444
Number Of Carrier Rollers Per Side11
Adjustment Of The Track TensionGreaseGrease
Number Of Track Rollers Per Side44
Electrical System
Starter2.3 kW2.3 kW
Operation Voltage12 V12 V
Battery58 Ah58 Ah
Alternator40 A40 A
Engine
Flywheel Horsepower28.7 hp21.4 kw
Number Of Cylinders33
Piston Displacement100.3 cu in1.7 L
Engine ModelKomatsu 3D88E-6Komatsu 3D88E-6
Engine TypeDirect injectionDirect injection
Power Measured @2400 rpm2400 rpm
Fan Drive TypeMechanicalMechanical
Capacities
Fuel Tank11.7 gal44 L
Hydraulic Tank3.7 gal14 L
Engine Oil1.8 gal6.7 L
Coolant0.9 gal3.3 L
Operational
Boom Size7.5 ft2.3 m
Boom TypeStandardStandard
Arm Size4.1 ft1.3 m
Arm Crowd Force – Iso1800 kgf1800 kgf
Digging Reach – Maximum16.6 ft5050 mm
Maximum Reach @ Ground Level16.2 ft4910 mm
Bucket Crowd Force – Iso3000 kgf3000 kgf
Swing Radius2.9 ft855 mm
Bucket Size – Kga Standard Gp0.1 yd30.1 m3
Digging Depth – Maximum9.1 ft2760 mm
Arm TypeStandardStandard
Performance
Travel Speed (Maximum)2.9 mph4.6 km/h
Travel Speed (Minimum)1.7 mph2.6 km/h
Swing Speed9.3 rpm9.3 rpm
Ground Pressure4.3 psi29.7 kPa
Max. Traction Force7495.8 lb3400 kg
Gradeability30 degrees30 degrees
Bucket Digging Force (Iso)6613.9 lb3000 kg
Arm Crowd Force (Iso)3968.4 lb1800 kg
Weights
Operating Weight6922.6 lb3140 kg
Hydraulic System
Type Of Hydraulic PumpVariable capacity x 1 gear x 1Variable capacity x 1 gear x 1
Max. Oil Flow69.8 x 1 + 19.8 18.4 x 1 + 5.269.8 x 1 + 19.8 18.4 x 1 + 5.2
Hydraulic Motor (Travel)Variable capacity x 2Variable capacity x 2
Hydraulic Motor (Swing)fixed capacity x 1fixed capacity x 1
Max. Pressure Setting3770 psi25993.3 kPa
Auxiliary Hydraulic Flow18.5 gal/min70 L/min
Blade
Blade Width5.1 ft1550 mm
Blade Height14 in355 mm
Drive System
Drive MethodHydrostaticHydrostatic
Type Of Travel BrakeHydraulic lock typeHydraulic lock type
Type Of Travel ShoeRubberRubber
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Manufacturer-published specifications.