SPECS / COMPARISON
Bobcat 630 vs Bobcat 643
A detailed comparison of the Bobcat 630 and the Bobcat 643. Click a model name to view its full specifications.
Horsepower
Bobcat 63020.9 kW (28.0 HP)
Bobcat 64321.3 kW (28.5 HP)
Operating Weight
Bobcat 6301769.0 kg (3900 lbs)
Bobcat 6431905.1 kg (4200 lbs)
| Specification | Bobcat 630 Skid Steers | Bobcat 643 Skid Steers |
|---|---|---|
| Type | Skid steer | Skid steer |
| Lift Design | Vertical | Radial |
| Years Made | 1977-1980 | 1981-1986 |
| Horsepower | 20.9 kW (28.0 HP) | 21.3 kW (28.5 HP) |
| Rating Operating Capacity (35% Tipping) | 326.6 kg (720 lbs) | 326.6 kg (720 lbs) |
| Rating Operating Capacity (50% Tipping) | 453.6 kg (1000 lbs) | 590 kg (1000 lbs) |
| Operating Weight | 1769.0 kg (3900 lbs) | 1905.1 kg (4200 lbs) |
| Tipping Load | 929.9 kg (2050 lbs) | 997.9 kg (2200 lbs) |
| Maximum Travel Speed | 10.6 km (6.6 mph) | 10.6 km (6.6 mph) |
| Pump Capacity | 36.0 LPM (9.5 GPM) | 36.0 LPM (9.5 GPM) |
| Relief Valve Pressure | 134.4 Bar (1950 psi) | 131.0 Bar (1900 psi) |
| Hydraulic Tank Capacity | 22.7 L (6.0 gal) | 13.2 L (3.5 gal) |
| Raise Lift Arms | 4.0 seconds | 3.6 seconds |
| Lower Lift Arms | 2.5 seconds | 2.9 seconds |
| Bucket Rollback | 1.6 seconds | 2.2 seconds |
| Bucket Dump | 2.2 seconds | 2.7 seconds |
| Engine Manufacturer | Wisconsin | Kubota |
| Engine Model | VH4D | D1402 |
| Engine Type | Gasoline | Diesel |
| No of Cylinders | 4 | 3 |
| Rated Speed | 2500 RPM | 2500 RPM |
| Torque Speed | 1800 RPM | — |
| Firing Order | 1-3-4-2 | 1-3-4-2 |
| Gross Power | 20.9 kW (28.0 HP) | 23.9 kW (32.0 HP) |
| Displacement | 1765 cc (108 cu in.) | 1395 cc (85 cu in.) |
| Bore | 8.3 cm (3.3 in.) | 8.5 cm (3.3 in.) |
| Stroke | 8.3 cm (3.3 in.) | 8.2 cm (3.2 in.) |
| Peak Torque | 89 N∙m (66 ft-lb) | 86 N∙m (63 ft-lb) |
| Engine Oil Capacity | 3.8 L (1.0 gal) | 6.6 L (1.7 gal) |
| Fuel Tank Capacity | 37.9 L (10.0 gal) | 49.2 L (13.0 gal) |
| Cab Height | 191.9 cm (75.6 in.) | 192.5 cm (75.8 in.) |
| Bucket Hinge Pin Height | 275.9 cm (108.6 in.) | 276.9 cm (109.0 in.) |
| Width | 135.9 cm (53.5 in.) | 137.2 cm (54.0 in.) |
| Length with Bucket | 305.3 cm (120.2 in.) | 305.3 cm (120.2 in.) |
| Dump Height | 219.2 cm (86.3 in.) | 219.2 cm (86.3 in.) |
| Dump Reach | 55.0 cm (21.6 in.) | 55.4 cm (21.8 in.) |
| Ground Clearance | 18.0 cm (7.1 in.) | 19.1 cm (7.5 in.) |
| Dump Angle | 30 ° | 37 ° |
| Rollback Angle | 26 ° | 26 ° |
| Departure Angle | 27 ° | 28 ° |
| Front Tire | 7.00×15.6 | 7.00×15.6 |
| Rear Tire | 7.00×15.6 | 7.00×15.6 |
| Combustion Chamber | — | Spherical type |
| Compression Ratio | — | 21.0 |
| Coolant Capacity | — | 10.4 L (2.7 gal) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.
