Caterpillar 312B Excavator
Category: Excavators (See all Excavators for sale)
Manufacturer: Caterpillar (See all Caterpillar Equipment for sale)
Model: 312B (See all Caterpillar 312B for sale)
Boom/Stick Excavator Option 1
| Type | Standard Excavators |
| Max Cutting Height | 27.1 ft |
| Max Digging Depth | 16.9 ft |
| Max Loading Height | 19.3 ft |
| Max Reach Along Ground | 25.6 ft |
| Max Vertical Wall Digging Depth | 14.6 ft |
Boom/Stick Excavator Option 2
| Max Cutting Height | 27.9 ft |
| Max Digging Depth | 18.3 ft |
| Max Loading Height | 20 ft |
| Max Reach Along Ground | 26.9 ft |
| Max Vertical Wall Digging Depth | 16.4 ft |
| Shipping Height of Unit | 9.1 ft |
| Shipping Length of Unit | 25 ft |
Boom/Stick Excavator Option 3
| Max Cutting Height | 28.6 ft |
| Max Digging Depth | 19.9 ft |
| Max Loading Height | 20.8 ft |
| Max Reach Along Ground | 28.3 ft |
| Max Vertical Wall Digging Depth | 17.6 ft |
| Shipping Height of Unit | 9.1 ft |
| Shipping Length of Unit | 25 ft |
Bucket
| Maximum Bucket Capacity | 1.1 cu yd |
| Minimum Bucket Capacity | 0.5 cu yd |
| Reference Bucket Capacity | 0.6 cu yd |
Dimensions
| Ground Clearance | 1.5 ft |
| Height - Top of Cab | 9.1 ft |
| Length of Track on Ground | 9.2 ft |
| Removal Counterweight Clearance | 3.1 ft |
| Tail Swing Radius | 7 ft |
| Width to Outside of Tracks | 8.2 ft |
DRIVE SYSTEM
| Maximum Drawbar Pull | 22930 lbs |
| Max Travel Speed | 3.4 mph (5 kph) |
Engine
| Aspiration | Turbocharged |
| Bore | 4.1 in |
| Displacement | 259 cu in |
| Engine Model | Cat 3064T Diesel Engine |
| Flywheel Power | 84 hp (63 kw) |
| Gross Power | 91 hp (68 kw) |
| ISO 9249 | 84 hp (63 kw) |
| Net Power | 84 hp (63 kw) |
| Power Measured @ | 1900 rpm |
| SAE J1349 | 84 hp (63 kw) |
| Stroke | 5.2 in |
Hydraulic System
| Boom Cylinder - Bore | 4.3 in |
| Boom Cylinder - Stroke | 40 in |
| Bucket Cylinder - Bore | 4 in |
| Bucket Cylinder - Stroke | 37.5 in |
| Main Implement System - Maximum Flow (2x) | 32 gpm |
| Maximum Pressure - Implements | 4340 psi |
| Maximum Pressure - Swing | 3340 psi |
| Maximum Pressure - Travel | 4980 psi |
| Stick Cylinder - Bore | 4.8 in |
| Stick Cylinder - Stroke | 47 in |
Operating Specifications
| Alternator Supplied Amperage | 50 amps |
| Cooling System Fluid Capacity | 4.1 gal |
| Engine Oil Capacity | 3.5 gal |
| Fuel Capacity | 66.1 gal |
| Hydraulic Pump Flow Capacity | 63.5 gpm |
| Hydraulic System Fluid Capacity | 42.8 gal |
| Hydraulic System Relief Valve Pressure | 4980 psi |
| Operating Voltage | 24 volts |
| Operating Weight | 27410 lbs |
| Swing Drive Fluid Capacity | 0.8 gal |
Service Refill Capacities
| Cooling system | 4.1 gal |
| Engine Oil | 3.4 gal |
| Final Drive - Each | 0.7 gal |
| Fuel Tank | 66 gal |
| Hydraulic System - Including Tank | 42.8 gal |
| Hydraulic Tank | 25.9 gal |
| Swing Drive - Each | 0.8 gal |
Swing Mechanism
| Swing Speed | 12.3 rpm |
Undercarriage
| Drawbar Pull | 22930 lbs |
| Ground Pressure | 5.7 psi |
| Max Travel Speed | 3.5 mph (5 kph) |
| Shoe Size | 19.7 in |
| Track Gauge | 6.6 ft |
Weights
| Operating Weight | 28680 lbs |
