- Shipping Length Of Unit: 20.34 ft / 6200 mm
- Shipping Height Of Unit: 8.96 ft / 2730 mm
- Max Cutting Height: 21.56 ft / 6570 mm
- Max Loading Height: 14.82 ft / 4515 mm
Published dimensions and weight
Komatsu PC78MR-6
The Komatsu PC78MR-6 is a midi excavator of about 8.3 t; its S4D95LE-3 engine is rated at 54 hp.
01Published dimensions and weight
Dimensions reference
Representative category illustration; exact model may differ.Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight18232.3 lb8270 kg
03Selected published values50
Midi excavators are commonly used for digging, trenching and site work where a mid-size tracked machine fits the access available. Published rows for Komatsu PC78MR-6 include a published maximum digging depth of 13.65 ft / 4160 mm, published operating weight of 18232.3 lb / 8270 kg, published engine power of 54 hp / 40.3 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Shipping Length Of Unit” field (20.34 ft / 6200 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Shipping Height Of Unit” field (8.96 ft / 2730 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Max Cutting Height” field (21.56 ft / 6570 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.
Boom/Stick Option (Hex) 1
Shipping Length Of Unit20.34 ft6200 mm
Shipping Height Of Unit8.96 ft2730 mm
Max Cutting Height21.56 ft6570 mm
Max Loading Height14.82 ft4515 mm
Max Reach Along Ground22.84 ft6960 mm
Max Vertical Wall Digging Depth9.52 ft2900 mm
Max Digging Depth13.65 ft4160 mm
Boom/Stick Option (Hex) 1Standard armStandard arm
Boom/Stick Option (Hex) 2
Shipping Length Of Unit20.35 ft6200 mm
Shipping Height Of Unit8.96 ft2730 mm
Max Cutting Height22.31 ft6800 mm
Max Loading Height15.65 ft4770 mm
Max Reach Along Ground24.56 ft7485 mm
Max Digging Depth15.57 ft4745 mm
Max Vertical Wall Digging Depth10.86 ft3310 mm
Boom/Stick Option (Hex) 2Long armLong arm
Dimensions
Width To Outside Of Tracks7.62 ft2320 mm
Length Of Track On Ground7.34 ft2235 mm
Ground Clearance1.19 ft360 mm
Height To Top Of Cab8.96 ft2730 mm
Tail Swing Radius4.61 ft1405 mm
Removal Counterweight Clearance2.42 ft735 mm
Undercarriage
Shoe Size17.72 in450 mm
Track Gauge6.14 ft1870 mm
Drawbar Pull14550 lb64.73 kN
Number Of Carrier Rollers Per Side11
Number Of Shoes Per Side3939
Number Of Track Rollers Per Side55
Ground Pressure5.4 psi37.24 kPa
Max Travel Speed2.61 mph4.2 km/h
Engine
Number Of Cylinders44
Engine Make22382238
Engine ModelS4D95LE-3S4D95LE-3
Net Power54 hp40.3 kw
Power Measured @1850 rpm1850 rpm
Displacement199 cu in3.3 L
AspirationTurbocharged with aftercoolerTurbocharged with aftercooler
Operational
Operating Weight18232.3 lb8270 kg
Fuel Capacity33.1 gal125 L
Cooling System Fluid Capacity2.8 gal10.5 L
Operating Voltage24 V24 V
Hydraulic System Fluid Capacity29.1 gal110 L
Engine Oil Capacity2 gal7.5 L
Alternator Supplied Amperage25 amps25 amps
Hydraulic System Relief Valve Pressure3840.4 psi26478 kPa
Hydraulic Pump Flow Capacity42.3 gal/min160 L/min
Swing Mechanism
Swing Speed10 rpm10 rpm
Buckets
Reference Bucket Capacity0.4 yd30.3 m3
Minimum Bucket Capacity0.2 yd30.1 m3
Maximum Bucket Capacity0.5 yd30.4 m3
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Manufacturer-published specifications.