Bobcat 643 Specs (Weight, Lift Capacity, Hp, Dimensions)

Manufacturer Bobcat
Type Skid steer
Model 643
Lift Design Radial
Years Made 1981-1986
Horsepower 28.5 HP (21.3 kW)
Rating Operating Capacity (35% Tipping) 720 lbs (326.6 kg)
Rating Operating Capacity (50% Tipping) 1000 lbs (590 kg)
Operating Weight 4200 lbs (1905.1 kg)
Tipping Load 2200 lbs (997.9 kg)
Maximum Travel Speed 6.6 mph (10.6 km)
Pump Capacity 9.5 GPM (36.0 LPM)
Relief Valve Pressure 1900 psi (131.0 Bar)
Optional Pump Capacity N/A
Hydraulic Tank Capacity 3.5 gal (13.2 L)
Raise Lift Arms 3.6 seconds
Lower Lift Arms 2.9 seconds
Bucket Rollback 2.2 seconds
Bucket Dump 2.7 seconds
Engine Manufacturer Kubota
Engine Model D1402
Engine Type Diesel
No of Cylinders 3
Rated Speed 2500 RPM
Combustion Chamber Spherical type
Compression Ratio 21.0
Firing Order 1-3-4-2
Gross Power 32.0 HP (23.9 kW)
Displacement 85 cu in. (1395 cc)
Bore 3.3 in. (8.5 cm)
Stroke 3.2 in. (8.2 cm)
Peak Torque 63 ft-lb (86 N∙m)
Coolant Capacity 2.7 gal (10.4 L)
Engine Oil Capacity 1.7 gal (6.6 L)
Fuel Tank Capacity 13.0 gal (49.2 L)
Cab Height 75.8 in. (192.5 cm)
Bucket Hinge Pin Height 109.0 in. (276.9 cm)
Width 54.0 in. (137.2 cm)
Length with Bucket 120.2 in. (305.3 cm)
Dump Height 86.3 in. (219.2 cm)
Dump Reach 21.8 in. (55.4 cm)
Ground Clearance 7.5 in. (19.1 cm)
Dump Angle 37°
Rollback Angle 26°
Departure Angle 28°
Front Tire 7.00×15.6
Rear Tire 7.00×15.6

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