Caterpillar 312C L Excavator Specs

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

The Caterpillar 312C L is a hydraulic excavator in Caterpillar's 12-ton class, designed for general excavation, trenching, site preparation, and utility work. It features a long undercarriage for improved stability and reduced ground pressure, making it suitable for soft or uneven terrain. The 312C L is typically equipped with a diesel engine, hydraulic system, and operator cab configured for productivity and control. Common attachments include buckets, hydraulic thumbs, and auxiliary tools. As part of the Caterpillar 300 series, the 312C L is used in construction, landscaping, and municipal applications where reach, digging performance, and maneuverability are required.

Boom/Stick 1

Caterpillar 312C L Excavator Boom/Stick 1 specifications
Boom/Stick 1	Stick Length 2500mm (8' 2")
Max Cutting Height	27.10 ft (8.26 m)
Max Digging Depth	18.25 ft (5.56 m)
Max Loading Height	20.00 ft (6.10 m)
Max Reach Along Ground	26.83 ft (8.18 m)
Max Vertical Wall Digging Depth	16.33 ft (4.98 m)
Shipping Height Of Unit	9.08 ft (2.77 m)
Shipping Length Of Unit	24.83 ft (7.57 m)

Boom/Stick 2

Caterpillar 312C L Excavator Boom/Stick 2 specifications
Boom/Stick 2	Stick Length 3000mm (9' 10")
Max Cutting Height	28.50 ft (8.69 m)
Max Digging Depth	19.83 ft (6.04 m)
Max Loading Height	20.75 ft (6.32 m)
Max Reach Along Ground	28.33 ft (8.63 m)
Max Vertical Wall Digging Depth	17.50 ft (5.33 m)
Shipping Height Of Unit	9.08 ft (2.77 m)
Shipping Length Of Unit	24.83 ft (7.57 m)

Buckets

Caterpillar 312C L Excavator Buckets specifications
Maximum Bucket Capacity	1 cu yd
Minimum Bucket Capacity	0.4 cu yd
Reference Bucket Capacity	0.8 cu yd

Dimensions

Caterpillar 312C L Excavator Dimensions specifications
Ground Clearance	1.42 ft (0.43 m)
Height	9.08 ft (2.77 m)
Height To Top Of Cab	9.08 ft (2.77 m)
Length	24.83 ft (7.57 m)
Length Of Track On Ground	9.08 ft (2.77 m)
Tail Swing Radius	7.00 ft (2.13 m)
Transport Width	2.53 ft (0.77 m)
Weight	28,970.00 lbs (13,140.59 kg)
Width	8.92 ft (2.72 m)
Width To Outside Of Tracks	8.50 ft (2.59 m)

Drive

Caterpillar 312C L Excavator Drive specifications
Maximum Drawbar Pull	25,200.00 lbs (11,430.54 kg)
Travel Speed	3.50 mph (5.63 kph)

Engine

Caterpillar 312C L Excavator Engine specifications
Aspiration	Turbocharged
Bore	4.00 in (10.16 cm)
Displacement	259.00 cu in (4,244.26 cu cm)
Eec 80/1269	90.00 hp (67.11 kw)
Engine Make	2236
Engine Model	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

Caterpillar 312C L Excavator Hydraulic System specifications
Blade - Maximum Flow	15.50 gpm (58.67 lpm)
Blade System - Maximum Pressure	2990 psi
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
Maximum Pressure - Travel	4980 psi
Pilot System - Maximum Flow	6.30 gpm (23.85 lpm)
Pilot System - Maximum Pressure	600 psi
Stick Cylinder - Bore	4.70 in (11.94 cm)
Stick Cylinder - Stroke	47.10 in (119.63 cm)

Operational

Caterpillar 312C L Excavator Operational specifications
Alternator Supplied Amperage	50 amps
Cooling System Fluid Capacity	4.60 gal (17.41 l)
Engine Oil Capacity	4.60 gal (17.41 l)
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 V
Operating Weight	28,970.00 lbs (13,140.59 kg)
Swing Drive Fluid Capacity	0.80 gal (3.03 l)

Service Refill Capacities

Caterpillar 312C L Excavator Service Refill Capacities specifications
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)
Hydraulic System - Including Tank	42.80 gal (162.00 l)
Hydraulic Tank	23.80 gal (90.08 l)
Swing Drive - Each	0.80 gal (3.03 l)

Swing Mechanism

Caterpillar 312C L Excavator Swing Mechanism specifications
Swing Speed	12.4 rpm
Swing Torque	22,830.00 lbs ft (30,952.91 nm)

Undercarriage

Caterpillar 312C L Excavator Undercarriage specifications
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)
Track Gauge	6.50 ft (1.98 m)

Weights

Caterpillar 312C L Excavator Weights specifications
Operating Weight	28,970.00 lbs (13,140.59 kg)
Operating Weight - Long Undercarriage	29,010.00 lbs (13,158.73 kg)

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