- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 312C L ➔
The Caterpillar 312C L is a hydraulic excavator in Caterpillar's 12-ton class, designed for general earthmoving, trenching, utility work, and site preparation. It features a long undercarriage for improved stability and digging performance, with a compact tail swing profile suited to confined job sites. The 312C L is typically equipped with a Caterpillar diesel engine, hydraulic system optimized for smooth control, and a reinforced boom and stick for durability. Common applications include construction, landscaping, and material handling. As part of the 312C series, it is known for balanced operating weight, reach, and versatility across a range of excavator tasks.
Boom/Stick Excavator Option 1
| Max Cutting Height | 27.10 ft (8.26 m)
|
| Max Digging Depth | 18.30 ft (5.58 m)
|
| Max Loading Height | 20.00 ft (6.10 m)
|
| Max Reach Along Ground | 26.90 ft (8.20 m)
|
| Max Vertical Wall Digging Depth | 16.40 ft (5.00 m)
|
| Shipping Height of Unit | 9.10 ft (2.77 m)
|
| Shipping Length of Unit | 24.90 ft (7.59 m)
|
Boom/Stick Excavator Option 2
| Max Cutting Height | 28.50 ft (8.69 m)
|
| Max Digging Depth | 19.90 ft (6.07 m)
|
| Max Loading Height | 20.80 ft (6.34 m)
|
| Max Reach Along Ground | 28.40 ft (8.66 m)
|
| Max Vertical Wall Digging Depth | 17.50 ft (5.33 m)
|
| Shipping Height of Unit | 9.10 ft (2.77 m)
|
| Shipping Length of Unit | 24.90 ft (7.59 m)
|
Bucket
| Maximum Bucket Capacity | 1.00 cu yd (0.76 cu m)
|
| Minimum Bucket Capacity | 0.40 cu yd (0.31 cu m)
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| Reference Bucket Capacity | 0.80 cu yd (0.61 cu m)
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Dimensions
| Digging Depth | 19.00 ft (5.79 m)
|
| Digging Reach | 19.00 ft (5.79 m)
|
| Ground Clearance | 1.50 ft (0.46 m)
|
| Height - Top of Cab | 9.10 ft (2.77 m)
|
| Length of Track on Ground | 9.10 ft (2.77 m)
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| Tail Swing Radius | 7.00 ft (2.13 m)
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| Transport Width | 2.60 ft (0.79 m)
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| Width to Outside of Tracks | 8.50 ft (2.59 m)
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DRIVE SYSTEM
| Maximum Drawbar Pull | 25,200.00 lbs (11,430.54 kg)
|
| Travel Speed | 3.50 mph (5.63 kph)
|
Engine
| Aspiration | Turbocharged
|
| Bore | 4.00 in (10.16 cm)
|
| Displacement | 259.00 cu in (4,244.26 cu cm)
|
| Engine Model | Cat 3064T
|
| Flywheel Power | 90.00 hp (67.11 kw)
|
| Gross Power | 94.00 hp (70.10 kw)
|
| ISO 9249 | 90.00 hp (67.11 kw)
|
| Net Power | 90.00 hp (67.11 kw)
|
| Power Measured @ | 1950 rpm
|
| SAE J1349 | 90.00 hp (67.11 kw)
|
| Stroke | 5.10 in (12.95 cm)
|
Hydraulic System
| Boom Cylinder - Bore | 4.30 in (10.92 cm)
|
| Boom Cylinder - Stroke | 40.00 in (101.60 cm)
|
| Bucket Cylinder - Bore | 3.90 in (9.91 cm)
|
| Bucket Cylinder - Stroke | 37.00 in (93.98 cm)
|
| Main Implement System - Maximum Flow (2x) | 33.50 gpm (126.80 lpm)
|
| Maximum Pressure - Implements | 4340 psi
|
| Maximum Pressure - Swing | 3340 psi
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| Maximum Pressure - Travel | 4980 psi
|
| Stick Cylinder - Bore | 4.70 in (11.94 cm)
|
| Stick Cylinder - Stroke | 47.10 in (119.63 cm)
|
Operating Specifications
| Alternator Supplied Amperage | 50 amps
|
| Cooling System Fluid Capacity | 4.60 gal (17.41 l)
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| Engine Oil Capacity | 4.60 gal (17.41 l)
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| Fuel Capacity | 66.00 gal (249.81 l)
|
| Hydraulic Pump Flow Capacity | 33.50 gpm (126.80 lpm)
|
| Hydraulic System Fluid Capacity | 42.80 gal (162.00 l)
|
| Hydraulic System Relief Valve Pressure | 4340 psi
|
| Operating Voltage | 24 volts
|
| Operating Weight | 28,970.00 lbs (13,140.59 kg)
|
| Swing Drive Fluid Capacity | 0.80 gal (3.03 l)
|
Service Refill Capacities
| Cooling System | 4.60 gal (17.41 l)
|
| Engine Oil | 4.60 gal (17.41 l)
|
| Final Drive - Each | 0.70 gal (2.65 l)
|
| Fuel Tank | 66.00 gal (249.81 l)
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| Hydraulic System - Including Tank | 42.80 gal (162.00 l)
|
| Hydraulic Tank | 23.80 gal (90.08 l)
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| Swing Drive - Each | 0.80 gal (3.03 l)
|
Swing Mechanism
Undercarriage
| Drawbar Pull | 24,720.00 lbs (11,212.82 kg)
|
| Ground Pressure | 4.5 psi
|
| Max Travel Speed | 3.40 mph (5.47 kph)
|
| Shoe Size | 24.00 in (60.96 cm)
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| Track Gauge | 6.50 ft (1.98 m)
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Weights
| Operating Weight | 28,970.00 lbs (13,140.59 kg)
|
| Operating Weight - Long Undercarriage | 29,010.00 lbs (13,158.73 kg)
|
