SPECS / COMPARISON
Hitachi ZX70-3 vs Komatsu PC78US-6
A detailed comparison of the Hitachi ZX70-3 and the Komatsu PC78US-6. Click a model name to view its full specifications.
Horsepower
Hitachi ZX70-340 kW (54 HP)
Komatsu PC78US-640 kW (54 HP)
Weight
Hitachi ZX70-37000 kg (15432 lbs)
Komatsu PC78US-67067 kg (15580 lbs)
Operating Weight
Hitachi ZX70-37000 kg (15432 lbs)
Komatsu PC78US-67067 kg (15580 lbs)
| Specification | Hitachi ZX70-3 Mid-Size Excavators | Komatsu PC78US-6 Mid-Size Excavators |
|---|---|---|
| Excavator Type | Mid-Size Excavator | Mid-Size Excavator |
| Weight | 7000 kg (15432 lbs) | 7067 kg (15580 lbs) |
| Horsepower | 40 kW (54 HP) | 40 kW (54 HP) |
| Digging Depth | 418 cm (164 in.) | 396 cm (156 in.) |
| Max Digging Depth | 418 cm (164 in.) | 396 cm (156 in.) |
| Max Loading Height | 509.0 cm (200.4 in.) | — |
| Max Reach Along Ground | 618.7 cm (243.6 in.) | — |
| Max Vertical Wall Digging Depth | 374.9 cm (147.6 in.) | — |
| Overall Length | 609.6 cm (240.0 in.) | — |
| Reference Bucket Capacity | 0.3 m2 (0.4 cu yds) | 0.3 m2 (0.4 cu yds) |
| Ground Clearance | 36.6 cm (14.4 in.) | — |
| Tail Swing Radius | 176.8 cm (69.6 in.) | — |
| Overall Width | 234.7 cm (92.4 in.) | — |
| Engine Make | Isuzu | Komatsu |
| Engine Model | AU-4LE2X | S4D95LE-3 |
| Net Power | 40 kW (54 HP) | 40 kW (54 HP) |
| Gross Power | 44.2 kW (59.3 HP) | 44.2 kW (59.3 HP) |
| Rated Power | 2000 RPM | — |
| Hydraulic Pump Flow Capacity | 144 LPM (38.1 GPM) | — |
| Relief Valve Pressure | 265 Bar (3844 psi) | — |
| Operating Weight | 7000 kg (15432 lbs) | 7067 kg (15580 lbs) |
| Max Travel Speed | 5.3 km (3.3 mph) | 4.5 km (2.8 mph) |
| Displacement | 2200.8 cc (134 cu. in.) | 3261.0 cc (199 cu. in.) |
| Shoe Size | 45.2 cm (17.8 in.) | — |
| No of Cylinders | 4 | 4 |
| Max Digging Reach | — | 396.2 cm (156.0 in.) |
| Max Bucket Capacity | — | 0.4 m2 (0.5 cu yds) |
| Min Bucket Capacity | — | 0.2 m2 (0.2 cu yds) |
| Hydraulic System Capacity | — | 110.2 l (29.1 gal) |
| Swing Speed | — | 10 RPM |
| Cab Height | — | 274.3 cm (108.0 in.) |
| Aspiration | — | Turbocharged |
| Fuel Capacity | — | 124.9 l (33.0 gal) |
| Engine Oil Capacity | — | 7.6 l (2.0 gal) |
| Number of Carrier Rollers per Side | — | 1 |
| Number of Track Rollers per Side | — | 5 |
| Number of Shoes per Side | — | 39 |
| Drawbar Pull | — | 678.118 kg (1494979.4 lbs) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.