- Category: Excavators ➔
- Manufacturer: Caterpillar ➔
- Model: 312C L ➔
The Caterpillar 312C L is a hydraulic crawler excavator in Caterpillar's 12-ton class, designed for general earthmoving, trenching, utility work, and site preparation. The "L" designation indicates a long undercarriage configuration, which provides improved stability and ground contact compared with standard models. The 312C L is typically equipped with a Caterpillar diesel engine, hydraulic boom and stick system, and a fully enclosed operator cab or canopy depending on market specification. It is commonly used in construction, landscaping, and municipal applications. Known for balanced digging performance and transportability, the 312C L remains a widely recognized mid-size excavator model.
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)
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| Ground Clearance | 1.50 ft (0.46 m)
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| Height - Top of Cab | 9.10 ft (2.77 m)
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| 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)
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| 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)
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| 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
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| Maximum Pressure - Swing | 3340 psi
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| Maximum Pressure - Travel | 4980 psi
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| Stick Cylinder - Bore | 4.70 in (11.94 cm)
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| Stick Cylinder - Stroke | 47.10 in (119.63 cm)
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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)
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| Hydraulic Pump Flow Capacity | 33.50 gpm (126.80 lpm)
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| Hydraulic System Fluid Capacity | 42.80 gal (162.00 l)
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| Hydraulic System Relief Valve Pressure | 4340 psi
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| 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)
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| 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)
|
