Description:
Serial Number Information
The serial number plate is usually located on the left side of the main frame near the operator's cab or hydraulic pump access panel.
Serial number identification ensures accurate fitment for engine parts, hydraulics, and undercarriage systems.
Key Specifications
| Feature |
Specification |
| Engine Model |
Komatsu 4D88E-6, 4-cylinder diesel |
| Emissions Tier |
Tier 4 Final compliant |
| Net Power |
39.6 HP (29.5 kW) @ 2,200 RPM |
| Operating Weight |
10,580 lbs (4,800 kg) |
Digging & Reach
| Feature |
Specification |
| Bucket Capacity |
0.06 – 0.24 cubic yards |
| Maximum Dig Depth |
12 ft 6 in (3.83 m) |
| Max Reach at Ground Level |
19 ft 8 in (6.0 m) |
Hydraulic & Travel Specs
| Feature |
Specification |
| Hydraulic Flow |
22 GPM (83 L/min) |
| Swing Speed |
9.5 RPM |
| Travel Speed – High |
2.9 mph (4.7 km/h) |
| Travel Speed – Low |
1.6 mph (2.5 km/h) |
Key Features
Tight Tail Swing Design
The PC50MR features minimal tail overhang, making it ideal for urban construction, roadside trenching, and confined job sites.
Efficient Tier 4 Final Engine
Powered by the Komatsu 4D88E-6, this mini excavator delivers 39.6 HP with reliable fuel economy and reduced emissions.
Balanced Performance & Size
With 12 ft 6 in dig depth and nearly 20 ft of reach, the PC50MR offers the versatility of a mid-size machine in a compact footprint.
Smooth and Responsive Hydraulics
A 22 GPM flow rate supports powerful and precise movement of the boom, arm, and bucket—excellent for finish work and trenching.
Common Replacement Parts
Keep your PC50MR running strong with dependable parts available at Broken Tractor:
Engine Parts
Air filters, injectors, glow plugs, thermostats, turbochargers
Hydraulics
Main pumps, swing motors, boom and bucket cylinders, valve blocks
Undercarriage
Rubber tracks, sprockets, rollers, idlers, track tensioners
Travel & Swing
Final drives, track motors, swing bearings, drive sprockets
Cab & Controls
Joysticks, operator seats, ignition switches, monitor displays
Maintenance Schedule
| Task |
Recommended Interval |
| Engine Oil & Filter |
Every 250 hours |
| Fuel & Air Filter Replacement |
Every 250 hours |
| Hydraulic Oil & Filter |
Every 500 hours |
| Final Drive Oil Check |
Every 1,000 hours |
| Track Tension Inspection |
Weekly or after rocky site use |
| Coolant Flush & Service |
Annually or 1,000 hours |
See Details
