SPECS / COMPARISON
Hitachi ZX30U-2 vs Kubota KX91-3
A detailed comparison of the Hitachi ZX30U-2 and the Kubota KX91-3. Click a model name to view its full specifications.
Horsepower
Hitachi ZX30U-222 kW (29 HP)
Kubota KX91-321 kW (28 HP)
Weight
Hitachi ZX30U-23070 kg (6768 lbs)
Kubota KX91-33225 kg (7110 lbs)
Operating Weight
Hitachi ZX30U-23070 kg (6768 lbs)
Kubota KX91-33225 kg (7110 lbs)
| Specification | Hitachi ZX30U-2 Mini Excavators | Kubota KX91-3 Mini Excavators |
|---|---|---|
| Excavator Type | Mini Excavator | Mini Excavator |
| Weight | 3070 kg (6768 lbs) | 3225 kg (7110 lbs) |
| Horsepower | 22 kW (29 HP) | 21 kW (28 HP) |
| Digging Depth | 283 cm (112 in.) | 320 cm (126 in.) |
| Max Digging Depth | 283 cm (112 in.) | 320 cm (126 in.) |
| Max Loading Height | 326.1 cm (128.4 in.) | 353.6 cm (139.2 in.) |
| Max Vertical Wall Digging Depth | 234.7 cm (92.4 in.) | 240.8 cm (94.8 in.) |
| Overall Length | 445.0 cm (175.2 in.) | 478.5 cm (188.4 in.) |
| Track Length | 2011.7 cm (792.0 in.) | — |
| Length of Track on Ground | 167.6 cm (66.0 in.) | — |
| Reference Bucket Capacity | 0.2 m2 (0.2 cu yds) | — |
| Ground Clearance | 30.5 cm (12.0 in.) | 30.5 cm (12.0 in.) |
| Tail Swing Radius | 79.2 cm (31.2 in.) | — |
| Overall Width | 155.4 cm (61.2 in.) | 155.4 cm (61.2 in.) |
| Engine Make | Yanmar | Kubota |
| Engine Model | 3 TNV88 | D1503 |
| Net Power | 22 kW (29 HP) | 21 kW (28 HP) |
| Gross Power | 23.9 kW (32.1 HP) | 23.2 kW (31.1 HP) |
| Rated Power | 2500 RPM | 2300 RPM |
| Hydraulic Pump Flow Capacity | 79 LPM (21.2 GPM) | 102 LPM (27.3 GPM) |
| Hydraulic System Capacity | 58.3 l (15.4 gal) | 36.0 l (9.5 gal) |
| Relief Valve Pressure | 245 Bar (3554 psi) | — |
| Operating Weight | 3070 kg (6768 lbs) | 3225 kg (7110 lbs) |
| Max Travel Speed | 4.5 km (2.8 mph) | 4.7 km (2.9 mph) |
| Swing Speed | 9.3 RPM | 9.4 RPM |
| Cab Height | 246.9 cm (97.2 in.) | — |
| Max Torque | 105.1 Nm (77.5 ft-lbs) | — |
| Cooling Capacity | 6.1 l (1.6 gal) | — |
| Fuel Capacity | 40.1 l (10.6 gal) | 45.0 l (11.9 gal) |
| Engine Oil Capacity | 7.6 l (2.0 gal) | — |
| Operating Voltage | Operating Voltage 12 V | — |
| Ground Pressure | 28.3 kPa (4.1 psi) | 31.0 kPa (4.5 psi) |
| Number of Carrier Rollers per Side | 1 | — |
| Number of Track Rollers per Side | 4 | — |
| Displacement | 1643.6 cc (100 cu. in.) | 1499.4 cc (92 cu. in.) |
| Shoe Size | 30.2 cm (11.9 in.) | — |
| No of Cylinders | 3 | — |
| Max Cutting Height | 469.4 cm (184.8 in.) | 496.8 cm (195.6 in.) |
| Track Gauge | 128.0 cm (50.4 in.) | — |
| Removal Counterweight Clearance | 57.9 cm (22.8 in.) | — |
| Torque Power | 1500 RPM | — |
| Max Reach Along Ground | — | 515.1 cm (202.8 in.) |
| Drawbar Pull | — | 3.793 kg (8363 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.