SPECS / COMPARISON
Bobcat 643 vs Bobcat 720
A detailed comparison of the Bobcat 643 and the Bobcat 720. Click a model name to view its full specifications.
Horsepower
Bobcat 64321.3 kW (28.5 HP)
Bobcat 72020.9 kW (28.0 HP)
Operating Weight
Bobcat 6431905.1 kg (4200 lbs)
Bobcat 7201927.8 kg (4250 lbs)
| Specification | Bobcat 643 Skid Steers | Bobcat 720Skid Steers |
|---|---|---|
| Type | Skid steer | Skid steer |
| Lift Design | Radial | Vertical |
| Years Made | 1981-1986 | 1977-1980 |
| Horsepower | 21.3 kW (28.5 HP) | 20.9 kW (28.0 HP) |
| Rating Operating Capacity (35% Tipping) | 326.6 kg (720 lbs) | 362.9 kg (800 lbs) |
| Rating Operating Capacity (50% Tipping) | 590 kg (1000 lbs) | 544.3 kg (1200 lbs) |
| Operating Weight | 1905.1 kg (4200 lbs) | 1927.8 kg (4250 lbs) |
| Tipping Load | 997.9 kg (2200 lbs) | 1088.6 kg (2400 lbs) |
| Maximum Travel Speed | 10.6 km (6.6 mph) | 10.1 km (6.3 mph) |
| Pump Capacity | 36.0 LPM (9.5 GPM) | 37.9 LPM (10.0 GPM) |
| Relief Valve Pressure | 131.0 Bar (1900 psi) | 144.8 Bar (2100 psi) |
| Hydraulic Tank Capacity | 13.2 L (3.5 gal) | 64.4 L (17.0 gal) |
| 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 (32.0 HP) | 22.4 kW (30.0 HP) |
| Displacement | 1395 cc (85 cu in.) | 1765 cc (108 cu in.) |
| Bore | 8.5 cm (3.3 in.) | 8.3 cm (3.3 in.) |
| Stroke | 8.2 cm (3.2 in.) | 8.3 cm (3.3 in.) |
| Peak Torque | 86 N∙m (63 ft-lb) | 89 N∙m (66 ft-lb) |
| Coolant Capacity | 10.4 L (2.7 gal) | — |
| Engine Oil Capacity | 6.6 L (1.7 gal) | 3.8 L (1.0 gal) |
| Fuel Tank Capacity | 49.2 L (13.0 gal) | 62.5 L (16.5 gal) |
| Cab Height | 192.5 cm (75.8 in.) | 218.0 cm (83.0 in.) |
| Bucket Hinge Pin Height | 276.9 cm (109.0 in.) | 307.3 cm (121.0 in.) |
| Width | 137.2 cm (54.0 in.) | 135.9 cm (53.5 in.) |
| Length with Bucket | 305.3 cm (120.2 in.) | 283.2 cm (111.5 in.) |
| Dump Height | 219.2 cm (86.3 in.) | 221.0 cm (87.0 in.) |
| Dump Reach | 55.4 cm (21.8 in.) | 41.9 cm (16.5 in.) |
| Ground Clearance | 19.1 cm (7.5 in.) | 20.3 cm (8.0 in.) |
| 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 |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.