Komatsu PC78US-6NO Mini Excavator
The Komatsu PC78US-6NO is a compact, zero-tail-swing mini excavator designed for precision and productivity in confined spaces, ideal for urban construction, landscaping, utility installation, and demolition. Powered by a Tier 2 compliant Komatsu S4D95LE-3 diesel engine delivering 54 hp, it offers a maximum dig depth of 12 ft 10 in and an operating weight of 15,850 lbs. Featuring advanced hydraulic systems for efficient multi-functioning, a spacious cab with ergonomic controls, and low emissions, the PC78US-6NO ensures superior stability, operator comfort, and versatility with quick-attach compatibility for various attachments.
| Manufacturer |
Komatsu |
| Model |
PC78US-6NO |
| Year |
Current |
| Condition |
New / Varies |
| Machine Type |
Mini Excavator (Zero Tail Swing) |
| Engine Make |
Komatsu |
| Engine Model |
S4D95LE-3 |
| Engine Type |
4-Cylinder Diesel |
| Gross Power |
54 hp (40.5 kW) @ 1,850 rpm |
| Fuel Type |
Diesel |
| Displacement |
Approx. 152 in³ (2.49 L) |
| Rated Operating Capacity |
N/A (Excavator) |
| Operating Weight |
15,850 lbs (7,190 kg) |
| Lift Type |
Conventional Boom |
| Maximum Dig Depth |
12 ft 10 in (3.91 m) |
| Maximum Reach |
20 ft 10 in (6.35 m) |
| Maximum Dump Height |
14 ft 9 in (4.5 m) |
| Bucket Breakout Force |
9,920 lbs (44.1 kN) |
| Arm Breakout Force |
6,614 lbs (29.4 kN) |
| Hydraulic Flow (Standard) |
26.4 GPM (100 L/min) |
| Auxiliary Hydraulic Flow |
16.4 GPM (62 L/min) |
| Auxiliary Hydraulic Pressure |
3,480 psi (240 bar) |
| Track Type |
Rubber Tracks |
| Track Width |
15.7 in (400 mm) |
| Ground Pressure |
5.2 psi (36 kPa) |
| Drive Type |
Hydrostatic |
| Travel Speed |
3.1 mph (5 km/h) |
| Fuel Capacity |
39 gal (148 L) |
| Cooling System |
Liquid-Cooled |
| Cab Type |
Enclosed Cab with Heat & A/C (ROPS/TOPS Certified) |
| Controls |
ISO Pattern Joysticks |
| Display |
Digital LCD Monitor |
| Lighting |
LED Work Lights Front and Rear |
| Seat Type |
Suspension Seat (Heated Optional) |
| Optional Attachments |
Buckets, Augers, Grapples, Hammers, Thumbs |
| Safety Features |
Zero Tail Swing, Overload Warning, Backup Alarm, Interlock System |
| Applications |
Construction, Landscaping, Utility Installation, Demolition |
