Mini-excavator PC30MR-5 E1

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Overview
Komatsu PC30MR-5 E1 compact excavator delivers efficient performance for urban construction, trenching and utility work. It combines a compact tail swing, fuel-efficient engine and precise hydraulic controls to maximise productivity on confined job sites while providing good operator visibility and a comfortable cab or canopy layout.

Key specifications

• Power: 24.4 HP (18.2 kW) @ 2,200 rpm
• Operating weight: 3,090 – 3,240 kg (6,812 – 7,143 lbs)
• Bucket capacity: 0.055 – 0.16 m3 (0.07 – 0.21 yd3)
• Fuel tank: 41 L
• Hydraulic system capacity: 20 L
• Maximum auxiliary flow: 50 L/min (13.2 gpm at 2,973 psi)
• Standard track shoe width: 300 mm
• Blade dimensions (W×H): 1,550 × 355 mm

Engine

• Engine model: Komatsu 3D88E-7*
• Cooling: Water-cooled, direct injection
• Cylinders: 3
• Bore × stroke: 88 × 90 mm
• Displacement: 1.642 L
• Rated speed: 2,200 rpm
• Fan drive: Mechanical

Hydraulics

• Selectable working modes: 2
• Main pumps: Variable displacement piston × 2 (for swing and blade)
• Maximum flow: 32 L/min (18.3 US gpm)
• Blade pressure max: 21.5 MPa (3,118 psi)
• Blade pump max flow: 9.9 L/min (2.61 gpm)
• Maximum auxiliary flow at 2,973 psi: 50 L/min (13.2 gpm)
• Swing pressure max: 20.1 MPa (2,915 psi)
• Swing pump max flow: 18.7 L/min (4.9 gpm)
• Hydraulic valve: 8-spool
• Operating method: Hydraulic assist

Hydraulic cylinders

• Boom: 85 × 525 × 50 mm
• Arm: 75 × 595 × 45 mm
• Bucket: 65 × 490 × 40 mm
• Blade (1): 95 × 135 × 45 mm
• Boom swing (1): 80 × 500 × 40 mm

Drives and Brakes

• Drive type: Hydrostatic
• Maximum drawbar pull: 3,400 kgf (7,495 lbs)
• Service brake: Hydraulic lock
• Parking brake: Mechanical
• Gradeability: 30°
• Max travel speed — High: 4.6 kph (2.85 mph)
• Max travel speed — Low: 2.6 kph (1.61 mph)

Operating weight (approximate)

• ROPS canopy, rubber track — Ground pressure (ISO 16754): 3.87 psi (26.7 kPa)
• Operating weight ROPS canopy, rubber track: 3,090 kg (6,812 lbs)
• ROPS cab, rubber track — Ground pressure (ISO 16754): 4.25 psi (29.3 kPa)
• Operating weight ROPS cab, rubber track: 3,240 kg (7,143 lbs)

Coolant and lubricant capacity (refilling)

• Fuel tank: 41 L
• Engine oil: 6.7 L
• Coolant: 3.3 L
• Final drive: 0.6 L
• Hydraulic system: 20 L

Undercarriage

• Center frame: X-frame
• Track frame: Box-section
• Track adjuster: Greased gun
• Carrier rollers (each side): 1
• Track rollers (each side): 4
• Track seal: Sealed

Blade

• Blade width × height: 1,550 × 355 mm

Standard equipment (selection)

• Engine: Double-element air cleaner with auto dust evacuator; suction-type cooling fan
• Electrical system: Alternator 12 V/55 A; auto-decelerator; battery 12 V/58 Ah; starter motor 12 V/1.7 kW; front travel light; working light on boom
• Hydraulics: Auxiliary hydraulics with one-way/two-way flow selector; foot control for auxiliary; ISO/SAE pattern change valve
• Guards: Fan guard; thermal guard
• Undercarriage: 300 mm rubber shoe
• Operator environment: 12 V power supply; automatic two-speed travel control; high-resolution 3.5" LCD monitor; lock lever auto lock; rear view mirrors; retractable seat belt; suspension seat; travel alarm; two-post ROPS canopy (ISO 3471)
• Work equipment: 1,240 mm arm with piping; backfill blade; 2,285 mm boom with piping
• Other: Auto idle shutdown; KOMTRAX; quick-release battery terminal; swing holding brake; counterweight (approx. 260 kg)

Optional equipment (selection)

• Undercarriage: Road liner track (300 mm)
• Operator environment: Cab with A/C, radio ready, auxiliary input; proportional joysticks
• Work equipment: Heavy-duty buckets (300, 457, 610 mm); hydraulic thumb; mechanical quick coupler

Characteristics / Technical specifications

• Model: PC30MR-5 E1
• Brand: Komatsu
• Engine model: Komatsu 3D88E-7*
• Power: 24.4 HP (18.2 kW) @ 2,200 rpm
• Operating weight: 3,090 – 3,240 kg (6,812 – 7,143 lbs)
• Bucket capacity: 0.055 – 0.16 m3 (0.07 – 0.21 yd3)
• Fuel tank: 41 L
• Hydraulic system capacity: 20 L
• Maximum auxiliary flow: 50 L/min (13.2 gpm at 2,973 psi)
• Track shoe width (standard): 300 mm
• Blade dimensions: 1,550 × 355 mm