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Current number of specifications

Caterpillar 320B L Hydraulic Excavator

Selected Dimensions

Boom/Stick Option
A. Shipping Length of Unit30.9 ft in9420 mm
C. Shipping Height of Unit11.3 ft in3430 mm
I. Max Cutting Height32 ft in9750 mm
J. Max Loading Height22.7 ft in6930 mm
K. Max Reach Along Ground34.9 ft in10630 mm
L. Max Vertical Wall Digging Depth22.3 ft in6810 mm
M. Max Digging Depth24.9 ft in7580 mm
B. Width to Outside of Tracks10.4 ft in3180 mm
D. Length of Track on Ground12 ft in3650 mm
E. Ground Clearance1.6 ft in475 mm
G. Height to Top of Cab9.6 ft in2940 mm
H. Tail Swing Radius9 ft in2750 mm
O. Counterweight Clearance3.4 ft in1045 mm
F. Track Gauge7.8 ft in2380 mm
N. Shoe Size31.5 in800 mm


Gross Power134 hp99.9 kw
Net Power128 hp95.4 kw
Power Measured @1800 rpm
Displacement389 cu in6.4 L
Number of Cylinders6
Operating Weight42769.7 lb19400 kg
Fuel Capacity89.8 gal340 L
Cooling System Fluid Capacity6.6 gal25 L
Hydrauilc System Fluid Capacity58.1 gal220 L
Engine Oil Capacity5.4 gal20.5 L
Swing Drive Fluid Capacity1.6 gal6 L
Operating Voltage24 V
Alternator Supplied Amperage50 amps
Hydraulic System Relief Valve Pressure4980 psi34335.9 kPa
Hydraulic Pump Flow Capacity97.7 gal/min370 L/min
Swing Mechanism
Swing Torque42050 lb ft57012.1 Nm
Shoe Size31.5 in800 mm
Max Travel Speed3.4 mph5.5 km/h
Drawbar Pull39800 lb177 kN
Track Gauge7.8 ft in2380 mm
Reference Bucket Capacity1.2 yd30.92 m3
Minimum Bucket Capacity0.45 yd30.34 m3
Maximum Bucket Capacity2 yd31.5 m3
Boom/Stick Option (HEX) 1
Boom/Stick Option (HEX) 1Boom 18'7" (5680mm) / Stick 12'8" (3900mm)
Shipping Height of Unit11.3 ft in3430 mm
Shipping Length of Unit30.9 ft in9420 mm
Max Digging Depth24.9 ft in7580 mm
Max Reach Along Ground34.9 ft in10630 mm
Max Cutting Height32 ft in9750 mm
Max Loading Height22.7 ft in6930 mm
Max Vertical Wall Digging Depth22.3 ft in6810 mm
Boom/Stick Option (HEX) 2
Boom/Stick Option (HEX) 2Boom 18'7" (5680mm) / Stick 9'7" (2900mm)
Shipping Height of Unit9.6 ft in2930 mm
Shipping Length of Unit31 ft in9440 mm
Max Digging Depth21.8 ft in6640 mm
Max Reach Along Ground32.1 ft in9780 mm
Max Cutting Height31.1 ft in9470 mm
Max Loading Height21.6 ft in6570 mm
Max Vertical Wall Digging Depth19.8 ft in6040 mm
Boom/Stick Option (HEX) 3
Boom/Stick Option (HEX) 3Boom 18'7" (5680mm) / Stick 8'2" (2500mm)
Shipping Height of Unit9.9 ft in3010 mm
Shipping Length of Unit31 ft in9460 mm
Max Digging Depth20.2 ft in6150 mm
Max Reach Along Ground30.5 ft in9310 mm
Max Cutting Height30.1 ft in9160 mm
Max Loading Height21.2 ft in6460 mm
Max Vertical Wall Digging Depth17.5 ft in5330 mm
Boom/Stick Option (HEX) 4
Boom/Stick Option (HEX) 4Boom 18'7" (5680mm) / Stick 6'3" (1900mm)
Shipping Height of Unit10 ft in3050 mm
Shipping Length of Unit31.1 ft in9490 mm
Max Digging Depth18.5 ft in5630 mm
Max Reach Along Ground28.7 ft in8760 mm
Max Cutting Height28.8 ft in8780 mm
Max Loading Height19.6 ft in5960 mm
Max Vertical Wall Dig Depth15.4 ft in4680 mm
Boom/Stick Option (HEX) 5
Boom/Stick Option (HEX) 5Mass Boom 17'1" (5200mm) / Stick 7'10" (2400mm)
Shipping Height of Unit10 ft in3050 mm
Shipping Length of Unit29.5 ft in9000 mm
Max Digging Depth18.7 ft in5700 mm
Max Reach Along Ground28.7 ft in8760 mm
Max Cutting Height28.8 ft in8770 mm
Max Loading Height19.4 ft in5920 mm
Max Vertical Wall Dig Depth16.1 ft in4910 mm
Width to Outside of Tracks10.4 ft in3180 mm
Height to Top of Cab9.6 ft in2940 mm
Ground Clearance1.6 ft in475 mm
Counterweight Clearance3.4 ft in1045 mm
Tail Swing Radius9 ft in2750 mm
Length of Track on Ground12 ft in3650 mm