Komatsu PC55MR-3
Browse All Komatsu or Mini Excavator Models
Contents:
Dimensions
| Tail Swing Radius | 3.48 ft in (1060 mm) |
| Track Gauge | 5.12 ft in (1560 mm) |
| Bucket Offset Rh | 2.89 ft in (880 mm) |
| Crawler Length | 8.27 ft in (2520 mm) |
| Boom Swing Angle Lh | 85 degrees |
| Boom Swing Angle Rh | 50 degrees |
| Bucket Offset Lh | 2.07 ft in (630 mm) |
| Overall Height | 8.37 ft in (2550 mm) |
| Overall Width | 6.44 ft in (1960 mm) |
| Overall Length | 18.21 ft in (5550 mm) |
| Track Shoe Width | 1.32 ft in (400 mm) |
Undercarriage
| Number Of Shoes Per Side | 39 (steel) |
| Number Of Carrier Rollers Per Side | 1 |
| Adjustment Of The Track Tension | Grease |
| Number Of Track Rollers Per Side | 4 |
Electrical System
| Starter | 2.3 kW |
| Operation Voltage | 12 V |
| Battery | 72 Ah |
| Alternator | 40 A |
Engine
| Flywheel Horsepower | 38.3 hp (28.5 kw) |
| Number Of Cylinders | 4 |
| Piston Displacement | 133.6 cu in (2.2 L) |
| Engine Model | Komatsu 4D88E–6 |
| Engine Type | Direct injection |
| Power Measured @ | 2400 rpm |
| Fan Drive Type | Mechanical |
Capacities
| Fuel Tank | 17.2 gal (65 L) |
| Hydraulic Tank | 5.3 gal (20 L) |
| Engine Oil | 2 gal (7.5 L) |
| Coolant | 2.3 gal (8.5 L) |
Operational
| Boom Size | 9.6 ft in (2.9 m) |
| Boom Type | Standard |
| Arm Size | 5.4 ft in (1.7 m) |
| Arm Crowd Force – Iso | 2440 kgf |
| Digging Reach – Maximum | 20.5 ft in (6220 mm) |
| Maximum Reach @ Ground Level | 20 ft in (6070 mm) |
| Bucket Crowd Force – Iso | 3980 kgf |
| Swing Radius | 3.5 ft in (1060 mm) |
| Bucket Size – Kga Standard Gp | 0.2 yd3 (0.2 m3) |
| Digging Depth – Maximum | 12.5 ft in (3800 mm) |
| Arm Type | Standard |
Performance
| Travel Speed (Maximum) | 2.9 mph (4.6 km/h) |
| Travel Speed (Minimum) | 1.8 mph (2.8 km/h) |
| Swing Speed | 9 rpm |
| Ground Pressure | 4.1 psi (28.3 kPa) |
| Max. Traction Force | 9435.8 lb (4280 kg) |
| Gradeability | 30 degrees |
| Bucket Digging Force (Iso) | 8774.4 lb (3980 kg) |
| Arm Crowd Force (Iso) | 5379.3 lb (2440 kg) |
Weights
| Operating Weight | 11375.9 lb (5160 kg) |
Hydraulic System
| Type Of Hydraulic Pump | Variable capacity x 2 gear x 1 |
| Max. Oil Flow | 53.5 x 2 + 33.8 14.1 x 2 + 8.9 |
| Hydraulic Motor (Travel) | Variable capacity x 2 |
| Hydraulic Motor (Swing) | fixed capacity x 1 |
| Max. Pressure Setting | 3840 psi (26475.9 kPa) |
| Auxiliary Hydraulic Flow | 18.5 gal/min (70 L/min) |
Blade
| Blade Width | 6.5 ft in (1960 mm) |
| Blade Height | 14 in (355 mm) |
Drive System
| Drive Method | Hydrostatic |
| Type Of Travel Brake | Hydraulic lock type |
| Type Of Travel Shoe | Rubber |
