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Komatsu

PC78MR-6

Mini Excavator

Operating Weight
18,232 lb
Max Digging Depth
165 in
Net Power
54.0 hp
All mini excavators
Komatsu PC78MR-6 Mini Excavator
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Specifications

46 data points

Operating Specifications

Operating Specifications specifications
Operating Weight18,232 lb
Fuel Capacity33.1 gal
Hydraulic Pump Flow Capacity42.3 gal/min
Hydraulic System Fluid Capacity29.1 gal
Hydraulic System Relief Valve Pressure3,840 psi
Operating Voltage24 V
Alternator Supplied Amperage25 A
Engine Oil Capacity2.0 gal
Cooling System Fluid Capacity2.8 gal

Engine

Engine specifications
Engine ModelS4D95LE-3
Displacement199 in³
Power Measured @1,850 rpm
Net Power54.0 hp
Number of Cylinders4
AspirationTurbocharged with aftercooler

Dimensions

Dimensions specifications
Ground Clearance15 in
Height - Top of Cab108 in
Tail Swing Radius56 in
Width to Outside of Tracks93 in
Removal Counterweight Clearance30 in

Undercarriage

Undercarriage specifications
Ground Pressure5 psi
Track Gauge74 in
Number of Track Rollers per Side5
Max Travel Speed2.7 mph
Shoe Size18 in
Number of Shoes per Side39
Number of Carrier Rollers per Side1
Drawbar Pull14,550 lb

Boom/Stick Excavator Option 1

Boom/Stick Excavator Option 1 specifications
Max Digging Depth165 in
Max Reach Along Ground275 in
Max Vertical Wall Digging Depth115 in
Max Loading Height179 in
Shipping Length of Unit245 in
Max Cutting Height259 in
Shipping Height of Unit108 in

Bucket

Bucket specifications
Reference Bucket Capacity0.41 yd³
Maximum Bucket Capacity0.50 yd³
Minimum Bucket Capacity0.20 yd³

Swing Mechanism

Swing Mechanism specifications
Swing Speed10 rpm

Boom/Stick Excavator Option 2

Boom/Stick Excavator Option 2 specifications
Max Digging Depth187 in
Max Cutting Height269 in
Max Loading Height189 in
Max Vertical Wall Digging Depth131 in
Max Reach Along Ground295 in
Shipping Height of Unit108 in
Shipping Length of Unit245 in

Comparable machines

Other mini excavators in a similar weight class.