SPECS / COMPARISON

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Manufacturer-sourced values side by side. No performance equivalence or ranking is applied across different machine classes.

Feature	Bobcat 643Skid steer	Bobcat 720Skid steer
Type	Skid steer	Skid steer
Lift Design	Radial	Vertical
Years Made	1981-1986	1977-1980
Horsepower	21.3 kW	20.9 kW
Rating Operating Capacity (35% Tipping)	326.6 kg	362.9 kg
Rating Operating Capacity (50% Tipping)	590 kg	544.3 kg
Operating Weight	1905.1 kg	1927.8 kg
Tipping Load	997.9 kg	1088.6 kg
Maximum Travel Speed	10.6 km	10.1 km
Pump Capacity	36.0 LPM	37.9 LPM
Relief Valve Pressure	131.0 Bar	144.8 Bar
Hydraulic Tank Capacity	13.2 L	64.4 L
Raise Lift Arms	3.6 seconds	4.7 seconds
Lower Lift Arms	2.9 seconds	2.8 seconds
Bucket Rollback	2.2 seconds	1.4 seconds
Bucket Dump	2.7 seconds	1.4 seconds
Engine Manufacturer	Kubota	Wisconsin
Engine Model	D1402	VH4D
Engine Type	Diesel	Gasoline
No of Cylinders	3	4
Rated Speed	2500 RPM	2500 RPM
Combustion Chamber	Spherical type	—
Compression Ratio	21.0	—
Firing Order	1-3-4-2	1-3-4-2
Gross Power	23.9 kW	22.4 kW
Displacement	1395 cc	1765 cc
Bore	8.5 cm	8.3 cm
Stroke	8.2 cm	8.3 cm
Peak Torque	86 N∙m	89 N∙m
Coolant Capacity	10.4 L	—
Engine Oil Capacity	6.6 L	3.8 L
Fuel Tank Capacity	49.2 L	62.5 L
Cab Height	192.5 cm	218.0 cm
Bucket Hinge Pin Height	276.9 cm	307.3 cm
Width	137.2 cm	135.9 cm
Length with Bucket	305.3 cm	283.2 cm
Dump Height	219.2 cm	221.0 cm
Dump Reach	55.4 cm	41.9 cm
Ground Clearance	19.1 cm	20.3 cm
Dump Angle	37 °	36 °
Rollback Angle	26 °	26 °
Departure Angle	28 °	26 °
Front Tire	7.00×15.6	7.00×15.6
Rear Tire	7.00×15.6	7.00×15.6
Torque Speed	—	1800 RPM
Source	heavyequipments.net archive (imported 2026-10)	heavyequipments.net archive (imported 2026-10)

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Side-by-side specification comparisons generated from the manufacturer-sourced model files. · 7,051