The Komatsu PC45MR-3 Mini Excavator boasts impressive performance capabilities in a compact and versatile design. With a max digging depth of 12.1 ft and a max vertical wall digging depth of 10.1 ft, this machine is well-equipped for a variety of excavation tasks. Powered by a 38.2 hp engine and featuring a hydraulic pump flow capacity of 37.2 gpm, the PC45MR-3 ensures efficient operation. Additionally, its operating weight of 10,571.2 lbs and a swing speed of 9 rpm make it a reliable and powerful option for construction projects.
Boom/Stick Excavator Option 1
Komatsu PC45MR-3 Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Cutting Height
18.80 ft (5.73 m)
Max Digging Depth
12.10 ft (3.69 m)
Max Loading Height
13.40 ft (4.08 m)
Max Reach Along Ground
19.40 ft (5.91 m)
Max Vertical Wall Digging Depth
10.10 ft (3.08 m)
Shipping Height of Unit
8.40 ft (2.56 m)
Shipping Length of Unit
17.50 ft (5.33 m)
Dimensions
Komatsu PC45MR-3 Mini Excavator Dimensions specifications
Ground Clearance
1.20 ft (0.37 m)
Height - Top of Cab
8.40 ft (2.56 m)
Removal Counterweight Clearance
2.00 ft (0.61 m)
Tail Swing Radius
3.50 ft (1.07 m)
Width to Outside of Tracks
6.50 ft (1.98 m)
Engine
Komatsu PC45MR-3 Mini Excavator Engine specifications
Displacement
134.00 cu in (2,195.87 cu cm)
Engine Model
4D88E-6
Net Power
38.20 hp (28.49 kw)
Power Measured @
2400 rpm
Operating Specifications
Komatsu PC45MR-3 Mini Excavator Operating Specifications specifications
Alternator Supplied Amperage
40 amps
Cooling System Fluid Capacity
2.30 gal (8.71 l)
Engine Oil Capacity
2.00 gal (7.57 l)
Fuel Capacity
17.20 gal (65.10 l)
Hydraulic Pump Flow Capacity
37.20 gpm (140.80 lpm)
Hydraulic System Fluid Capacity
5.30 gal (20.06 l)
Hydraulic System Relief Valve Pressure
3840 psi
Operating Voltage
12 V
Operating Weight
10,571.20 lbs (4,794.20 kg)
Swing Mechanism
Komatsu PC45MR-3 Mini Excavator Swing Mechanism specifications
Swing Speed
9 rpm
Undercarriage
Komatsu PC45MR-3 Mini Excavator Undercarriage specifications
Drawbar Pull
9,440.00 lbs (4,281.18 kg)
Ground Pressure
3.6 psi
Max Travel Speed
2.90 mph (4.67 kph)
Number of Carrier Rollers per Side
1
Number of Track Rollers per Side
4
Shoe Size
15.80 in (40.13 cm)
Track Gauge
5.20 ft (1.58 m)
×
Stay Ahead of the Market
Get weekly equipment news, auction updates, and dealer insights — trusted by thousands of industry professionals.