Caterpillar 311B
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Contents:
Boom/Stick Option (Hex) 1
| Max Cutting Height | 25.14 ft in (7660 mm) |
| Max Loading Height | 17.39 ft in (5300 mm) |
| Max Reach Along Ground | 23.92 ft in (7290 mm) |
| Max Vertical Wall Digging Depth | 13.62 ft in (4150 mm) |
| Max Digging Depth | 15.56 ft in (4740 mm) |
| Boom/Stick Option (Hex) 1 | Boom 14'1" (4300mm) / Stick 1950mm |
Boom/Stick Option (Hex) 2
| Shipping Length Of Unit | 23.79 ft in (7250 mm) |
| Max Cutting Height | 25.58 ft in (7795 mm) |
| Shipping Height Of Unit | 9.06 ft in (2760 mm) |
| Max Loading Height | 17.85 ft in (5440 mm) |
| Max Reach Along Ground | 24.84 ft in (7570 mm) |
| Max Vertical Wall Digging Depth | 14.59 ft in (4445 mm) |
| Max Digging Depth | 16.57 ft in (5050 mm) |
| Boom/Stick Option (Hex) 2 | Boom 14'1" (4300mm) / Stick 7'5" (2250mm) |
Boom/Stick Option (Hex) 3
| Shipping Length Of Unit | 23.82 ft in (7260 mm) |
| Max Cutting Height | 26.65 ft in (8120 mm) |
| Max Loading Height | 18.92 ft in (5765 mm) |
| Shipping Height Of Unit | 9.06 ft in (2760 mm) |
| Max Reach Along Ground | 26.58 ft in (8100 mm) |
| Max Vertical Wall Digging Depth | 16.29 ft in (4965 mm) |
| Max Digging Depth | 18.38 ft in (5600 mm) |
| Boom/Stick Option (Hex) 3 | Boom 14'1" (4300mm) / Stick 9'2" (2800mm) |
Dimensions
| Ground Clearance | 1.45 ft in (440 mm) |
| Height To Top Of Cab | 9.06 ft in (2760 mm) |
| Width To Outside Of Tracks | 8.17 ft in (2490 mm) |
| Length Of Track On Ground | 8.57 ft in (2610 mm) |
| Tail Swing Radius | 6.99 ft in (2130 mm) |
| Removal Counterweight Clearance | 3.02 ft in (920 mm) |
Undercarriage
| Track Gauge | 6.53 ft in (1990 mm) |
| Shoe Size | 19.69 in (500 mm) |
| Drawbar Pull | 20720 lb (92.17 kN) |
| Ground Pressure | 5.51 psi (38 kPa) |
| Max Travel Speed | 3.42 mph (5.5 km/h) |
Engine
| Number Of Cylinders | 4 |
| Engine Make | 2236 |
| Engine Model | 3064T |
| Net Power | 79 hp (59 kw) |
| Gross Power | 85 hp (63.4 kw) |
| Power Measured @ | 1800 rpm |
| Displacement | 259 cu in (4.3 L) |
| Aspiration | Turbocharged |
| Bore | 4 in (101.6 mm) |
| Stroke | 5.1 in (129.6 mm) |
| Engine Model | Cat 3064T |
| Flywheel Power | 79 hp (59 kw) |
| Eec 80/1269 | 79 hp (59 kw) |
| Sae J1349 | 78 hp (58.2 kw) |
| Iso 9249 | 79 hp (59 kw) |
Operational
| Operating Weight | 24526.5 lb (11125 kg) |
| Fuel Capacity | 66.1 gal (250 L) |
| Cooling System Fluid Capacity | 4.1 gal (15.5 L) |
| Hydraulic System Fluid Capacity | 41.5 gal (157 L) |
| Operating Voltage | 24 V |
| Engine Oil Capacity | 3.5 gal (13 L) |
| Swing Drive Fluid Capacity | 0.8 gal (2.8 L) |
| Alternator Supplied Amperage | 50 amps |
| Hydraulic System Relief Valve Pressure | 4980 psi (34335.9 kPa) |
| Hydraulic Pump Flow Capacity | 57.1 gal/min (216 L/min) |
Swing Mechanism
| Swing Speed | 10.8 rpm |
| Swing Torque | 22422 lb ft (30400.2 Nm) |
Weights
| Operating Weight | 27680 lb (12555.5 kg) |
Buckets
| Reference Bucket Capacity | 0.6 yd3 (0.5 m3) |
| Minimum Bucket Capacity | 0.5 yd3 (0.4 m3) |
| Maximum Bucket Capacity | 1.1 yd3 (0.8 m3) |
Hydraulic System
| Pilot System - Maximum Flow | 4.5 gal/min |
| Pilot System - Maximum Pressure | 570 psi |
| Maximum Pressure - Travel | 4980 psi |
| Maximum Pressure - Swing | 3340 psi |
| Maximum Pressure - Implements | 4340 psi |
| Main Implement System - Maximum Flow (2x) | 28 gal/min |
| Boom Cylinder - Bore | 4 in (101.6 mm) |
| Boom Cylinder - Stroke | 40 in (1016 mm) |
| Stick Cylinder - Bore | 4.3 in (109.3 mm) |
| Stick Cylinder - Stroke | 47 in (1193.8 mm) |
| Bucket Cylinder - Bore | 4 in (101.6 mm) |
| Bucket Cylinder - Stroke | 37 in (939.8 mm) |
Service Refill Capacities
| Cooling System | 4.1 gal (15.6 L) |
| Fuel Tank | 66 gal (249.9 L) |
| Final Drive - Each | 0.7 gal (2.7 L) |
| Hydraulic Tank | 25.9 gal (98.1 L) |
| Hydraulic System - Including Tank | 41.5 gal (157.1 L) |
| Engine Oil | 3.4 gal (12.9 L) |
| Swing Drive - Each | 0.8 gal (2.9 L) |
Drive
| Maximum Drawbar Pull | 20720 lb (9398.5 kg) |
| Travel Speed | 3.4 mph (5.5 km/h) |
