- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 320B L ➔
The Caterpillar 320B L is a hydraulic excavator in Caterpillar's 320 series, designed for general earthmoving, trenching, site preparation, and material handling. The "L" designation typically indicates a long undercarriage configuration, providing improved stability and ground contact for digging and lifting applications. The 320B L is commonly used in construction, utility work, and excavation projects where balanced digging performance and machine stability are required. It features a crawler undercarriage, hydraulic boom and stick system, and a cab layout intended for operator control and visibility. The model is part of Caterpillar's B-series excavator line.
Boom/Stick Excavator Option 1
| Max Cutting Height | 32 ft (10 m)
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| Max Digging Depth | 25 ft (8 m)
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| Max Loading Height | 23 ft (7 m)
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| Max Reach Along Ground | 35 ft (11 m)
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| Max Vertical Wall Digging Depth | 22 ft (7 m)
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| Shipping Height of Unit | 11 ft (3 m)
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| Shipping Length of Unit | 31 ft (9 m)
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Boom/Stick Excavator Option 2
| Max Cutting Height | 31 ft (9 m)
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| Max Digging Depth | 22 ft (7 m)
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| Max Loading Height | 22 ft (7 m)
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| Max Reach Along Ground | 32 ft (10 m)
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| Max Vertical Wall Digging Depth | 20 ft (6 m)
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| Shipping Height of Unit | 10 ft (3 m)
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| Shipping Length of Unit | 31 ft (9 m)
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Boom/Stick Excavator Option 3
| Max Cutting Height | 30 ft (9 m)
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| Max Digging Depth | 20 ft (6 m)
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| Max Loading Height | 21 ft (6 m)
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| Max Reach Along Ground | 31 ft (9 m)
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| Max Vertical Wall Digging Depth | 18 ft (5 m)
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| Shipping Length of Unit | 31 ft (9 m)
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Boom/Stick Excavator Option 4
| Max Cutting Height | 29 ft (9 m)
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| Max Digging Depth | 19 ft (6 m)
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| Max Loading Height | 20 ft (6 m)
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| Max Reach Along Ground | 29 ft (9 m)
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| Max Vertical Wall Dig Depth | 15 ft (5 m)
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| Shipping Length of Unit | 31 ft (10 m)
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Boom/Stick Excavator Option 5
| Max Cutting Height | 29 ft (9 m)
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| Max Digging Depth | 19 ft (6 m)
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| Max Loading Height | 20 ft (6 m)
|
| Max Reach Along Ground | 29 ft (9 m)
|
| Max Vertical Wall Dig Depth | 16 ft (5 m)
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| Shipping Height of Unit | 10 ft (3 m)
|
| Shipping Length of Unit | 30 ft (9 m)
|
Bucket
| Maximum Bucket Capacity | 2 cu yd (2 cu m)
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| Minimum Bucket Capacity | 1 cu yd (0 cu m)
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| Reference Bucket Capacity | 1 cu yd (1 cu m)
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Dimensions
| Ground Clearance | 2 ft (0 m)
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| Height - Top of Cab | 10 ft (3 m)
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| Length of Track on Ground | 12 ft (4 m)
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| Removal Counterweight Clearance | 4 ft (1 m)
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| Tail Swing Radius | 9 ft (3 m)
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| Width to Outside of Tracks | 11 ft (3 m)
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DRIVE SYSTEM
| Maximum Drawbar Pull | 39,800 lbs (18,053 kg)
|
Engine
| Aspiration | Turbocharged
|
| Bore | 4 in (10 cm)
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| Displacement | 389 cu in (6,375 cu cm)
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| Engine Model | Cat 3066T
|
| Gross Power | 134 hp (100 kw)
|
| Net Power | 128 hp (95 kw)
|
| Net Power - EEC 80/1269 | 128 hp (95 kw)
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| Net Power - ISO 9249 | 128 hp (95 kw)
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| Net Power - SAE J1349 | 128 hp (95 kw)
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| Power Measured @ | 1800 rpm
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| Stroke | 5 in (13 cm)
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Hydraulic System
| Boom Cylinder - Bore | 5 in (13 cm)
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| Boom Cylinder - Stroke | 50 in (127 cm)
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| Main Implement System - Maximum Flow (2x) | 49 gpm (185 lpm)
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| Maximum Pressure - Equipment | 4980 psi
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| Maximum Pressure - Swing | 3340 psi
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| Maximum Pressure - Travel | 4980 psi
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| Pilot System - Maximum Flow | 11 gpm (41 lpm)
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Operating Specifications
| Alternator Supplied Amperage | 50 amps
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| Cooling System Fluid Capacity | 7 gal (25 l)
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| Engine Oil Capacity | 6 gal (21 l)
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| Fuel Capacity | 90 gal (340 l)
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| Hydraulic Pump Flow Capacity | 98 gpm (370 lpm)
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| Hydraulic System Fluid Capacity | 58 gal (220 l)
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| Hydraulic System Relief Valve Pressure | 4980 psi
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| Operating Voltage | 24 volts
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| Operating Weight | 42,770 lbs (19,400 kg)
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| Swing Drive Fluid Capacity | 2 gal (6 l)
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Service Refill Capacities
| Cooling System | 7 gal (25 l)
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| Engine Oil | 5 gal (19 l)
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| Final Drive - Each | 3 gal (10 l)
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| Fuel Tank Capacity | 90 gal (341 l)
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| Hydraulic System - Including Tank | 58 gal (220 l)
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| Swing Drive | 2 gal (6 l)
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Undercarriage
| Drawbar Pull | 39,800 lbs (18,053 kg)
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| Max Travel Speed | 4 mph (6 kph)
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| Shoe Size | 32 in (80 cm)
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| Track Gauge | 8 ft (2 m)
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Weights
| Operating Weight - Standard Undercarriage | 45,459 lbs (20,620 kg)
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