SPECS / COMPARISON
Caterpillar 307B vs Hyundai ROBEX 55-7
A detailed comparison of the Caterpillar 307B and the Hyundai ROBEX 55-7. Click a model name to view its full specifications.
Horsepower
Caterpillar 307B41 kW (55 HP)
Hyundai ROBEX 55-739 kW (52 HP)
Weight
Caterpillar 307B6500 kg (14330 lbs)
Hyundai ROBEX 55-75702 kg (12570 lbs)
Operating Weight
Caterpillar 307B6500 kg (14330 lbs)
Hyundai ROBEX 55-75702 kg (12570 lbs)
| Specification | Caterpillar 307B Mini Excavators | Hyundai ROBEX 55-7 Mini Excavators |
|---|---|---|
| Excavator Type | Mini Excavator | Mini Excavator |
| Weight | 6500 kg (14330 lbs) | 5702 kg (12570 lbs) |
| Horsepower | 41 kW (55 HP) | 39 kW (52 HP) |
| Digging Depth | 411 cm (162 in.) | 384 cm (151 in.) |
| Max Digging Depth | 411 cm (162 in.) | 384 cm (151 in.) |
| Max Loading Height | 515.1 cm (202.8 in.) | 405.4 cm (159.6 in.) |
| Max Reach Along Ground | 621.8 cm (244.8 in.) | 603.5 cm (237.6 in.) |
| Max Vertical Wall Digging Depth | 365.8 cm (144.0 in.) | 320.0 cm (126.0 in.) |
| Ground Clearance | 39.6 cm (15.6 in.) | 39.6 cm (15.6 in.) |
| Tail Swing Radius | 176.8 cm (69.6 in.) | 167.6 cm (66.0 in.) |
| Overall Width | 222.5 cm (87.6 in.) | 192.0 cm (75.6 in.) |
| Engine Make | Mitsubishi | Yanmar |
| Engine Model | 4 M40E1 | 4 TNV94L |
| Net Power | 41 kW (55 HP) | 39 kW (52 HP) |
| Gross Power | 45.0 kW (60.3 HP) | 40 kw (53 hp) |
| Hydraulic System Capacity | 94.3 l (24.9 gal) | 120.4 l (31.8 gal) |
| Relief Valve Pressure | 314 Bar (4550 psi) | 216 Bar (3130 psi) |
| Operating Weight | 6500 kg (14330 lbs) | 5702 kg (12570 lbs) |
| Max Travel Speed | 5.1 km (3.2 mph) | 4.2 km (2.6 mph) |
| Cab Height | 265.2 cm (104.4 in.) | 256.0 cm (100.8 in.) |
| Fuel Capacity | 135.1 l (35.7 gal) | 120.4 l (31.8 gal) |
| Stroke | 10.2 cm (4.0 in) | — |
| Bore | 9.4 cm (3.7 in) | — |
| Displacement | 2835.0 cc (173 cu. in.) | 3054.5 cc (186 cu. in.) |
| Shoe Size | 45.2 cm (17.8 in.) | 40.1 cm (15.8 in.) |
| Max Cutting Height | 731.5 cm (288.0 in.) | 579.1 cm (228.0 in.) |
| Track Gauge | 176.8 cm (69.6 in.) | 152.4 cm (60.0 in.) |
| Removal Counterweight Clearance | 79.2 cm (31.2 in.) | — |
| Drawbar Pull | 5.811 kg (12810 lbs) | 5.307 kg (11700 lbs) |
| Reference Bucket Capacity | — | 0.2 m2 (0.3 cu yds) |
| Rated Power | — | 2200 RPM |
| Hydraulic Pump Flow Capacity | — | 110 LPM (29.1 GPM) |
| Swing Speed | — | 9.3 RPM |
| Max Torque | — | 202.0 Nm (149.0 ft-lbs) |
| Cooling Capacity | — | 10.2 l (2.7 gal) |
| Swing Drive Capacity | — | 1.5 l (0.4 gal) |
| Engine Oil Capacity | — | 9.5 l (2.5 gal) |
| Operating Voltage | — | Operating Voltage 12 V |
| Ground Pressure | — | 32.4 kPa (4.7 psi) |
| Number of Carrier Rollers per Side | — | 1 |
| Number of Track Rollers per Side | — | 5 |
| Number of Shoes per Side | — | 40 |
| No of Cylinders | — | 4 |
| Alternator | — | 60 A |
| Torque Power | — | 1400 RPM |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

