Categories ↠ Excavators ↠ Caterpillar 312C

Caterpillar 312C Excavator

Category: Excavators ➔
Manufacturer: Caterpillar ➔
Model: 312C ➔

The Caterpillar 312C is a hydraulic excavator in Caterpillar's 12-ton class, designed for general earthmoving, trenching, utility work, and site preparation. It is equipped with a Caterpillar diesel engine, hydraulic system, and crawler undercarriage for stable operation on uneven ground. The 312C is commonly used in construction, landscaping, and municipal applications where digging depth, reach, and maneuverability are required. Typical configurations may include a standard boom, stick options, and multiple bucket sizes. As part of the Caterpillar excavator lineup, the 312C is known for service access, operator comfort, and compatibility with a range of attachments.

See all Caterpillar 312Cs for sale

Boom/Stick Excavator Option 1

Max Cutting Height	27.90 ft (8.50 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	28.60 ft (8.72 m)
Max Digging Depth	19.90 ft (6.07 m)
Max Loading Height	20.80 ft (6.34 m)
Max Reach Along Ground	28.30 ft (8.63 m)
Max Vertical Wall Digging Depth	17.60 ft (5.36 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)
Reference Bucket Capacity	0.80 cu yd (0.61 cu m)

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	9.20 ft (2.80 m)
Tail Swing Radius	7.00 ft (2.13 m)
Width to Outside of Tracks	8.50 ft (2.59 m)

Engine

Aspiration	Turbocharged
Displacement	259.40 cu in (4,250.81 cu cm)
Engine Model	3046 T
Gross Power	94.00 hp (70.10 kw)
Net Power	90.00 hp (67.11 kw)
Power Measured @	1950 rpm

Operating Specifications

Alternator Supplied Amperage	55 amps
Cooling System Fluid Capacity	4.70 gal (17.79 l)
Engine Oil Capacity	4.70 gal (17.79 l)
Fuel Capacity	66.10 gal (250.19 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	4980 psi
Swing Drive Fluid Capacity	0.80 gal (3.03 l)

Swing Mechanism

Swing Speed

12.9 rpm

Undercarriage

Drawbar Pull	24,729.00 lbs (11,216.90 kg)
Ground Pressure	4.8 psi
Max Travel Speed	3.50 mph (5.63 kph)
Shoe Size	24.00 in (60.96 cm)
Track Gauge	6.60 ft (2.01 m)

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