SPECS / COMPARISON
Komatsu PC78MR-6 vs Volvo ECR88B
A detailed comparison of the Komatsu PC78MR-6 and the Volvo ECR88B. Click a model name to view its full specifications.
Horsepower
Komatsu PC78MR-640 kW (54 HP)
Volvo ECR88B43 kW (57 HP)
Weight
Komatsu PC78MR-68270 kg (18232 lbs)
Volvo ECR88B8500 kg (18739 lbs)
Operating Weight
Komatsu PC78MR-68270 kg (18232 lbs)
Volvo ECR88B8500 kg (18739 lbs)
| Specification | Komatsu PC78MR-6 Mid-Size Excavators | Volvo ECR88B Mid-Size Excavators |
|---|---|---|
| Excavator Type | Mid-Size Excavator | Mid-Size Excavator |
| Weight | 8270 kg (18232 lbs) | 8500 kg (18739 lbs) |
| Horsepower | 40 kW (54 HP) | 43 kW (57 HP) |
| Digging Depth | 418 cm (164 in.) | 457 cm (180 in.) |
| Max Digging Depth | 418 cm (164 in.) | 457 cm (180 in.) |
| Max Loading Height | 454.2 cm (178.8 in.) | 512.1 cm (201.6 in.) |
| Max Reach Along Ground | 698.0 cm (274.8 in.) | 725.4 cm (285.6 in.) |
| Max Vertical Wall Digging Depth | 292.6 cm (115.2 in.) | 326.1 cm (128.4 in.) |
| Overall Length | 621.8 cm (244.8 in.) | 643.1 cm (253.2 in.) |
| Reference Bucket Capacity | 0.3 m2 (0.4 cu yds) | 0.3 m2 (0.4 cu yds) |
| Max Bucket Capacity | 0.4 m2 (0.5 cu yds) | — |
| Min Bucket Capacity | 0.2 m2 (0.2 cu yds) | — |
| Ground Clearance | 36.6 cm (14.4 in.) | 39.6 cm (15.6 in.) |
| Tail Swing Radius | 143.3 cm (56.4 in.) | 121.9 cm (48.0 in.) |
| Overall Width | 234.7 cm (92.4 in.) | 231.6 cm (91.2 in.) |
| Engine Make | Komatsu | Volvo |
| Engine Model | S4D95LE-3 | D3.4 |
| Net Power | 40 kW (54 HP) | 43 kW (57 HP) |
| Gross Power | 44.2 kW (59.3 HP) | 46.5 kW (62.3 HP) |
| Rated Power | 1850 RPM | 2100 RPM |
| Hydraulic Pump Flow Capacity | 159 LPM (42.3 GPM) | 174 LPM (46 GPM) |
| Hydraulic System Capacity | 110.2 l (29.1 gal) | — |
| Relief Valve Pressure | 265 Bar (3841 psi) | 330 Bar (4787 psi) |
| Operating Weight | 8270 kg (18232 lbs) | 8500 kg (18739 lbs) |
| Max Travel Speed | 4.3 km (2.7 mph) | 5.1 km (3.2 mph) |
| Swing Speed | 10 RPM | — |
| Cab Height | 274.3 cm (108.0 in.) | — |
| Aspiration | Turbocharged, aftercooled | — |
| Cooling Capacity | 10.6 l (2.8 gal) | — |
| Fuel Capacity | 125.3 l (33.1 gal) | — |
| Engine Oil Capacity | 7.6 l (2.0 gal) | — |
| Operating Voltage | Operating Voltage 24 V | — |
| Ground Pressure | 37.2 kPa (5.4 psi) | — |
| Number of Carrier Rollers per Side | 1 | — |
| Number of Track Rollers per Side | 5 | — |
| Number of Shoes per Side | 39 | — |
| Displacement | 3261.0 cc (199 cu. in.) | 3000.5 cc (183 cu. in.) |
| Shoe Size | 45.2 cm (17.8 in.) | 45.2 cm (17.8 in.) |
| No of Cylinders | 4 | 4 |
| Max Cutting Height | 658.4 cm (259.2 in.) | — |
| Alternator | 25 A | — |
| Track Gauge | 189.0 cm (74.4 in.) | — |
| Removal Counterweight Clearance | 76.2 cm (30.0 in.) | — |
| Drawbar Pull | 6.600 kg (14550 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.

