Caterpillar 320B


Maximum Bucket Capacity2 cu yds (2 m)
Minimum Bucket Capacity0.50 cu yds (0 m)
Reference Bucket Capacity1.20 cu yds (1 m)


Ground Clearance1.60 ft (0 m)
Height to Top of Cab9.70 ft (3 m)
Length of Track on Ground10.80 ft (3 m)
Removal Counterweight Clearance3.50 ft (1 m)
Tail Swing Radius9.10 ft (3 m)
Width to Outside of Tracks9.20 ft (3 m)


Maximum Drawbar Pull39,800 lbs (18,053 kg)


Bore4.10 in (10 cm)
Displacement389 cu in (0 m)
Engine ModelCat 3066 T Diesel Engine
Gross Power134 hp (100 kw)
Net Power128 hp (95 kw)
Net Power - EEC 80/1269128 hp (95 kw)
Net Power - ISO 9249128 hp (95 kw)
Net Power - SAE J1349128 hp (95 kw)
Power Measured @1,800 rpm
Stroke5.20 in (13 cm)

Hydraulic System

10.810.80 gal/min (41 l/min)
600600 psi
Boom Cylinder - Bore5 in (13 cm)
Boom Cylinder - Stroke50 in (127 cm)
Main Implement System - Maximum Flow (2x)48.90
Maximum Pressure - Equipment4,980 psi
Maximum Pressure - Swing3,340 psi
Maximum Pressure - Travel4,980 psi


Alternator Supplied Amperage50 A
Cooling System Fluid Capacity6.70 gal (25 l)
Engine Oil Capacity5.50 gal (21 l)
Fuel Capacity89.90 gal (340 l)
Hydraulic Pump Flow Capacity97.80 gal/min (370 l/min)
Hydraulic System Fluid Capacity58.20 gal (220 l)
Hydraulic System Relief Valve Pressure4,980 psi
Operating Voltage24 V
Operating Weight42,769.70 lbs (19,400 kg)
Swing Drive Fluid Capacity1.60 gal (6 l)

Service Refill Capacities

Cooling System6.60 gal (25 l)
Engine Oil5.10 gal (19 l)
Final Drive - Each2.60 gal (10 l)
Fuel Tank Capacity90 gal (341 l)
Hydraulic System - Including Tank58 gal (220 l)
Swing Drive1.60 gal (6 l)


Drawbar Pull39,800 lbs (18,053 kg)
Max Travel Speed3.50 mph (6 kph)
Shoe Size23.70 in (60 cm)
Track Gauge7.30 ft (2 m)


Operating Weight - Standard Undercarriage42,770 lbs (19,400 kg)

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