Caterpillar 312C L

Boom/Stick Excavator Option 1

Max Cutting Height27.10 ft (8 m)
Max Digging Depth18.30 ft (6 m)
Max Loading Height20 ft (6 m)
Max Reach Along Ground26.90 ft (8 m)
Max Vertical Wall Digging Depth16.40 ft (5 m)
Shipping Height of Unit9.10 ft (3 m)
Shipping Length of Unit24.90 ft (8 m)

Boom/Stick Excavator Option 2

Max Cutting Height28.50 ft (9 m)
Max Digging Depth19.90 ft (6 m)
Max Loading Height20.80 ft (6 m)
Max Reach Along Ground28.40 ft (9 m)
Max Vertical Wall Digging Depth17.50 ft (5 m)
Shipping Height of Unit9.10 ft (3 m)
Shipping Length of Unit24.90 ft (8 m)


Maximum Bucket Capacity1 cu yds (1 m)
Minimum Bucket Capacity0.40 cu yds (0 m)
Reference Bucket Capacity0.80 cu yds (1 m)


Digging Depth19 ft (6 m)
Digging Reach19 ft (6 m)
Ground Clearance1.50 ft (0 m)
Height - Top of Cab9.10 ft (3 m)
Length of Track on Ground9.10 ft (3 m)
Tail Swing Radius7 ft (2 m)
Transport Width2.60 ft (1 m)
Width to Outside of Tracks8.50 ft (3 m)


Maximum Drawbar Pull25,200 lbs (11,431 kg)
Travel Speed3.50 mph (6 kph)


Bore4 in (10 cm)
Displacement259 cu in (0 m)
Engine ModelCat 3064T
Flywheel Power90 hp (67 kw)
Gross Power94 hp (70 kw)
ISO 924990 hp (67 kw)
Net Power90 hp (67 kw)
Power Measured @1,950 rpm
SAE J134990 hp (67 kw)
Stroke5.10 in (13 cm)

Hydraulic System

6.36.30 gal/min (24 l/min)
600600 psi
Boom Cylinder - Bore4.30 in (11 cm)
Boom Cylinder - Stroke40 in (102 cm)
Bucket Cylinder - Bore3.90 in (10 cm)
Bucket Cylinder - Stroke37 in (94 cm)
Main Implement System - Maximum Flow (2x)33.50
Maximum Pressure - Implements4,340 psi
Maximum Pressure - Swing3,340 psi
Maximum Pressure - Travel4,980 psi
Stick Cylinder - Bore4.70 in (12 cm)
Stick Cylinder - Stroke47.10 in (120 cm)

Operating Specifications

Alternator Supplied Amperage50 A
Cooling System Fluid Capacity4.60 gal (17 l)
Engine Oil Capacity4.60 gal (17 l)
Fuel Capacity66 gal (250 l)
Hydraulic Pump Flow Capacity33.50 gal/min (127 l/min)
Hydraulic System Fluid Capacity42.80 gal (162 l)
Hydraulic System Relief Valve Pressure4,340 psi
Operating Voltage24 V
Operating Weight28,970 lbs (13,141 kg)
Swing Drive Fluid Capacity0.80 gal (3 l)

Service Refill Capacities

Cooling System4.60 gal (17 l)
Engine Oil4.60 gal (17 l)
Final Drive - Each0.70 gal (3 l)
Fuel Tank66 gal (250 l)
Hydraulic System - Including Tank42.80 gal (162 l)
Hydraulic Tank23.80 gal (90 l)
Swing Drive - Each0.80 gal (3 l)

Swing Mechanism

Swing Speed12.40 rpm


Drawbar Pull24,720 lbs (11,213 kg)
Ground Pressure4.50 psi
Max Travel Speed3.40 mph (5 kph)
Shoe Size24 in (61 cm)
Track Gauge6.50 ft (2 m)


Operating Weight28,970 lbs (13,141 kg)
Operating Weight - Long Undercarriage29,010 lbs (13,159 kg)

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