- Tail Swing Radius: 3.6 ft / 1097.28 mm
- Track Gauge: 5.1 ft / 1554.48 mm
- Bucket Offset Rh: 2.11 ft / 643.13 mm
- Crawler Length: 8.27 ft / 2520 mm
Published dimensions and weight
Komatsu PC45MR-3
The Komatsu PC45MR-3 pairs the Komatsu 4D88E–6 engine (38.3 hp) with an operating weight near 4.8 t.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale

01Dimensions referenceLength × width × height
02Operating Weight10494.1 lb4760 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 PC45MR-3 include published operating weight of 10494.1 lb / 4760 kg, the published “Tail Swing Radius” field of 3.6 ft / 1097.28 mm, the published “Track Gauge” field of 5.1 ft / 1554.48 mm. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Tail Swing Radius” field (3.6 ft / 1097.28 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Track Gauge” field (5.1 ft / 1554.48 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Bucket Offset Rh” field (2.11 ft / 643.13 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 Radius3.6 ft1097.28 mm
Track Gauge5.1 ft1554.48 mm
Bucket Offset Rh2.11 ft643.13 mm
Crawler Length8.27 ft2520 mm
Boom Swing Angle Lh85 degrees85 degrees
Boom Swing Angle Rh50 degrees50 degrees
Bucket Offset Lh2.1 ft640.09 mm
Overall Height8.4 ft2560.33 mm
Overall Width6.5 ft1981.2 mm
Overall Length17.2 ft5242.57 mm
Track Shoe Width24409.51 ft400 mm
Undercarriage
Number Of Shoes Per Side39 (steel)39 (steel)
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
Battery72 Ah72 Ah
Alternator40 A40 A
Engine
Flywheel Horsepower38.3 hp28.5 kw
Number Of Cylinders44
Piston Displacement133.6 cu in2.2 L
Engine ModelKomatsu 4D88E–6Komatsu 4D88E–6
Engine TypeDirect injectionDirect injection
Power Measured @2400 rpm2400 rpm
Fan Drive TypeMechanicalMechanical
Capacities
Fuel Tank17.2 gal65.2 L
Hydraulic Tank5.3 gal20 L
Engine Oil2 gal7.5 L
Coolant2.3 gal8.5 L
Operational
Boom Size8.7 ft2.7 m
Boom TypeStandardStandard
Arm Size4.6 ft1.4 m
Arm Crowd Force – Iso2200 kgf2200 kgf
Digging Reach – Maximum18.9 ft5735 mm
Maximum Reach @ Ground Level18.3 ft5575 mm
Bucket Crowd Force – Iso3460 kgf3460 kgf
Swing Radius3.5 ft1060 mm
Bucket Size – Kga Standard Gp0.2 yd30.2 m3
Digging Depth – Maximum11 ft3350 mm
Arm TypeStandardStandard
Performance
Travel Speed (Maximum)2.9 mph4.6 km/h
Travel Speed (Minimum)1.8 mph2.8 km/h
Swing Speed9 rpm9 rpm
Ground Pressure3.6 psi24.9 kPa
Max. Traction Force9435.8 lb4280 kg
Gradeability30 degrees30 degrees
Bucket Digging Force (Iso)7628 lb3460 kg
Arm Crowd Force (Iso)4850.2 lb2200 kg
Weights
Operating Weight10494.1 lb4760 kg
Hydraulic System
Type Of Hydraulic PumpVariable capacity x 2 gear x 1Variable capacity x 2 gear x 1
Max. Oil Flow53.5 x 2 + 33.853.5 x 2 + 33.8
Hydraulic Motor (Travel)Variable capacity x 2Variable capacity x 2
Hydraulic Motor (Swing)fixed capacity x 1fixed capacity x 1
Max. Pressure Setting3840 psi26475.9 kPa
Auxiliary Hydraulic Flow18.5 gal/min70 L/min
Blade
Blade Width6.5 ft1981.2 mm
Blade Height1.2 in30.5 mm
Drive System
Drive MethodHydrostaticHydrostatic
Type Of Travel BrakeHydraulic lock typeHydraulic lock type
Type Of Travel ShoeRubberRubber
Need the machine, not just the numbers?
Find one, value one, or tell the market what you need.
Manufacturer-published specifications.