SPECS / COMPARISON
Case CX31B vs Hitachi ZX30U-2
A detailed comparison of the Case CX31B and the Hitachi ZX30U-2. Click a model name to view its full specifications.
Horsepower
Case CX31B21 kW (28 HP)
Hitachi ZX30U-222 kW (29 HP)
Weight
Case CX31B3030 kg (6679 lbs)
Hitachi ZX30U-23070 kg (6768 lbs)
Operating Weight
Case CX31B3030 kg (6679 lbs)
Hitachi ZX30U-23070 kg (6768 lbs)
| Specification | Case CX31B Mini Excavators | Hitachi ZX30U-2 Mini Excavators |
|---|---|---|
| Excavator Type | Mini Excavator | Mini Excavator |
| Weight | 3030 kg (6679 lbs) | 3070 kg (6768 lbs) |
| Horsepower | 21 kW (28 HP) | 22 kW (29 HP) |
| Digging Depth | 280 cm (110 in.) | 283 cm (112 in.) |
| Max Digging Depth | 280 cm (110 in.) | 283 cm (112 in.) |
| Max Loading Height | 335.3 cm (132.0 in.) | 326.1 cm (128.4 in.) |
| Max Reach Along Ground | 472.4 cm (186.0 in.) | — |
| Max Vertical Wall Digging Depth | 216.4 cm (85.2 in.) | 234.7 cm (92.4 in.) |
| Overall Length | 438.9 cm (172.8 in.) | 445.0 cm (175.2 in.) |
| Track Length | 1859.3 cm (732.0 in.) | 2011.7 cm (792.0 in.) |
| Length of Track on Ground | 155.4 cm (61.2 in.) | 167.6 cm (66.0 in.) |
| Reference Bucket Capacity | 0.2 m2 (0.2 cu yds) | 0.2 m2 (0.2 cu yds) |
| Max Bucket Capacity | 0.2 m2 (0.2 cu yds) | — |
| Min Bucket Capacity | 0.1 m2 (0.1 cu yds) | — |
| Ground Clearance | 33.5 cm (13.2 in.) | 30.5 cm (12.0 in.) |
| Overall Width | 155.4 cm (61.2 in.) | 155.4 cm (61.2 in.) |
| Engine Make | Yanmar | Yanmar |
| Engine Model | 3 TNV88-BPYB | 3 TNV88 |
| Emission | Tier 4 | — |
| Net Power | 21 kW (28 HP) | 22 kW (29 HP) |
| Gross Power | 23.2 kW (31.1 HP) | 23.9 kW (32.1 HP) |
| Rated Power | 2400 RPM | 2500 RPM |
| Hydraulic Pump Flow Capacity | 76 LPM (20.2 GPM) | 79 LPM (21.2 GPM) |
| Hydraulic System Capacity | 48.1 l (12.7 gal) | 58.3 l (15.4 gal) |
| Relief Valve Pressure | 230 Bar (3336 psi) | 245 Bar (3554 psi) |
| Operating Weight | 3030 kg (6679 lbs) | 3070 kg (6768 lbs) |
| Max Travel Speed | 4.5 km (2.8 mph) | 4.5 km (2.8 mph) |
| Swing Speed | 8.9 RPM | 9.3 RPM |
| Cab Height | 259.1 cm (102.0 in.) | 246.9 cm (97.2 in.) |
| Max Torque | 98.4 Nm (72.6 ft-lbs) | 105.1 Nm (77.5 ft-lbs) |
| Cooling Capacity | 4.5 l (1.2 gal) | 6.1 l (1.6 gal) |
| Fuel Capacity | 37.9 l (10.0 gal) | 40.1 l (10.6 gal) |
| Engine Oil Capacity | 6.8 l (1.8 gal) | 7.6 l (2.0 gal) |
| Operating Voltage | Operating Voltage 12 V | Operating Voltage 12 V |
| Ground Pressure | 29.6 kPa (4.3 psi) | 28.3 kPa (4.1 psi) |
| Number of Carrier Rollers per Side | 1 | 1 |
| Number of Track Rollers per Side | 4 | 4 |
| Displacement | 1640.3 cc (100 cu. in.) | 1643.6 cc (100 cu. in.) |
| Shoe Size | 30.2 cm (11.9 in.) | 30.2 cm (11.9 in.) |
| No of Cylinders | 3 | 3 |
| Max Cutting Height | 475.5 cm (187.2 in.) | 469.4 cm (184.8 in.) |
| Alternator | 24 A | — |
| Removal Counterweight Clearance | 57.9 cm (22.8 in.) | 57.9 cm (22.8 in.) |
| Torque Power | 1440 RPM | 1500 RPM |
| Drawbar Pull | 3.926 kg (8655 lbs) | — |
| Tail Swing Radius | — | 79.2 cm (31.2 in.) |
| Track Gauge | — | 128.0 cm (50.4 in.) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.