CAT 312C L Excavator


Boom/Stick Option (Hex) 1

Shipping Length Of Unit 24.83 ft in (7570 mm)
Shipping Height Of Unit 9.08 ft in (2760 mm)
Max Cutting Height 27.1 ft in (8475 mm)
Max Loading Height 20 ft in (6095 mm)
Max Reach Along Ground 26.83 ft in (8175 mm)
Max Vertical Wall Digging Depth 16.33 ft in (4970 mm)
Max Digging Depth 18.25 ft in (5550 mm)
Boom/Stick Option (Hex) 1 Stick Length 2500mm (8′ 2″)

Boom/Stick Option (Hex) 2

Shipping Length Of Unit 24.83 ft in (7570 mm)
Max Cutting Height 28.5 ft in (8695 mm)
Shipping Height Of Unit 9.08 ft in (2760 mm)
Max Loading Height 20.75 ft in (6330 mm)
Max Reach Along Ground 28.33 ft in (8625 mm)
Max Vertical Wall Digging Depth 17.5 ft in (5345 mm)
Max Digging Depth 19.83 ft in (6050 mm)
Boom/Stick Option (Hex) 2 Stick Length 3000mm (9′ 10″)

Dimensions

Ground Clearance 1.42 ft in (440 mm)
Height To Top Of Cab 9.08 ft in (2760 mm)
Width To Outside Of Tracks 8.5 ft in (2590 mm)
Length Of Track On Ground 9.08 ft in (2780 mm)
Tail Swing Radius 7 ft in (2130 mm)
Transport Width 2.53 ft in (769.88 mm)

Undercarriage

Track Gauge 6.5 ft in (1990 mm)
Shoe Size 24 in (600 mm)
Max Travel Speed 3.4 mph (5.5 km/h)
Ground Pressure 4.5 psi (31 kPa)
Drawbar Pull 24720 lb (110 kN)

Engine Details

Engine Make CAT
Engine Model 3064T
Net Power 90 hp (67 kw)
Gross Power 94 hp (70.1 kw)
Power Measured @ 1950 rpm
Aspiration Turbocharged
Displacement 259 cu in (4.3 L)
Bore 4 in (101.6 mm)
Stroke 5.1 in (129.6 mm)
Engine Model Cat 3064T
Flywheel Power 90 hp (67.2 kw)
Eec 80/1269 90 hp (67.2 kw)
Sae J1349 90 hp (67.2 kw)
Iso 9249 90 hp (67.2 kw)

Operational Specs

Operating Weight 28970 lb (13140 kg)
Fuel Tank Capacity 66 gal (250 L)
Cooling System Fluid Capacity 4.6 gal (17.5 L)
Hydraulic System Fluid Capacity 42.8 gal (162 L)
Engine Oil Capacity 4.6 gal (17.5 L)
Operating Voltage 24 V
Swing Drive Fluid Capacity 0.8 gal (3 L)
Alternator Supplied Amperage 50 amps
Hydraulic System Relief Valve Pressure 4340 psi (29900 kPa)
Hydraulic Pump Flow Capacity 33.5 gal/min (127 L/min)

Swing Mechanism

Swing Speed 12.4 rpm
Swing Torque 22830 lb ft (30953.4 Nm)

Weights

Operating Weight 28970 lb (13140.6 kg)
Operating Weight – Long Undercarriage 29010 lb (13158.8 kg)

Buckets

Reference Bucket Capacity 0.8 yd3 (0.6 m3)
Minimum Bucket Capacity 0.4 yd3 (0.3 m3)
Maximum Bucket Capacity 1 yd3 (0.8 m3)

Hydraulic System

Pilot System – Maximum Flow 6.3 gal/min
Pilot System – Maximum Pressure 600 psi
Maximum Pressure – Travel 4980 psi
Maximum Pressure – Swing 3340 psi
Maximum Pressure – Implements 4340 psi
Main Implement System – Maximum Flow (2x) 33.5 gal/min
Boom Cylinder – Bore 4.3 in (109.3 mm)
Boom Cylinder – Stroke 40 in (1016 mm)
Stick Cylinder – Bore 4.7 in (119.4 mm)
Stick Cylinder – Stroke 47.1 in (1196.4 mm)
Bucket Cylinder – Bore 3.9 in (99.1 mm)
Bucket Cylinder – Stroke 37 in (939.8 mm)
Blade – Maximum Flow 15.5 gal/min
Blade System – Maximum Pressure 2990 psi

Service Refill Capacities

Cooling System 4.6 gal (17.5 L)
Fuel Tank Capacity 66 gal (249.9 L)
Final Drive – Each 0.7 gal (2.5 L)
Hydraulic Tank 23.8 gal (90.1 L)
Hydraulic System – Including Tank 42.8 gal (162.1 L)
Engine Oil 4.6 gal (17.5 L)
Swing Drive – Each 0.8 gal (3 L)

Drive

Maximum Drawbar Pull 25200 lb (11430.6 kg)
Travel Speed 3.5 mph (5.7 km/h)
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