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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)
SpecificationCaterpillar 307BCaterpillar 307BMini ExcavatorsHyundai ROBEX 55-7Hyundai ROBEX 55-7Mini Excavators
Excavator TypeMini ExcavatorMini Excavator
Weight6500 kg (14330 lbs)5702 kg (12570 lbs)
Horsepower41 kW (55 HP)39 kW (52 HP)
Digging Depth411 cm (162 in.)384 cm (151 in.)
Max Digging Depth411 cm (162 in.)384 cm (151 in.)
Max Loading Height515.1 cm (202.8 in.)405.4 cm (159.6 in.)
Max Reach Along Ground621.8 cm (244.8 in.)603.5 cm (237.6 in.)
Max Vertical Wall Digging Depth365.8 cm (144.0 in.)320.0 cm (126.0 in.)
Ground Clearance39.6 cm (15.6 in.)39.6 cm (15.6 in.)
Tail Swing Radius176.8 cm (69.6 in.)167.6 cm (66.0 in.)
Overall Width222.5 cm (87.6 in.)192.0 cm (75.6 in.)
Engine MakeMitsubishiYanmar
Engine Model4 M40E14 TNV94L
Net Power41 kW (55 HP)39 kW (52 HP)
Gross Power45.0 kW (60.3 HP)40 kw (53 hp)
Hydraulic System Capacity94.3 l (24.9 gal)120.4 l (31.8 gal)
Relief Valve Pressure314 Bar (4550 psi)216 Bar (3130 psi)
Operating Weight6500 kg (14330 lbs)5702 kg (12570 lbs)
Max Travel Speed5.1 km (3.2 mph)4.2 km (2.6 mph)
Cab Height265.2 cm (104.4 in.)256.0 cm (100.8 in.)
Fuel Capacity135.1 l (35.7 gal)120.4 l (31.8 gal)
Stroke10.2 cm (4.0 in)—
Bore9.4 cm (3.7 in)—
Displacement2835.0 cc (173 cu. in.)3054.5 cc (186 cu. in.)
Shoe Size45.2 cm (17.8 in.)40.1 cm (15.8 in.)
Max Cutting Height731.5 cm (288.0 in.)579.1 cm (228.0 in.)
Track Gauge176.8 cm (69.6 in.)152.4 cm (60.0 in.)
Removal Counterweight Clearance79.2 cm (31.2 in.)—
Drawbar Pull5.811 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.

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