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Caterpillar 312B L Excavator

Introducing the Caterpillar 312B L Excavator, a powerful and versatile machine designed for exceptional performance in various construction and excavation applications. With impressive capabilities such as a max digging depth of up to 19.9 ft and a maximum vertical wall digging depth of 17.6 ft, this excavator is equipped to handle a wide range of tasks with ease. Powered by a Cat 3064T diesel engine delivering 91 hp gross power, and featuring a robust hydraulic system with a maximum pressure of 4980 psi, the 312B L Excavator combines efficiency and reliability for optimal productivity on the job site.


See all Caterpillar 312B Ls for sale

Boom/Stick Excavator Option 1

Max Cutting Height27.10 ft (8.26 m)
Max Digging Depth16.90 ft (5.15 m)
Max Loading Height19.30 ft (5.88 m)
Max Reach Along Ground25.60 ft (7.80 m)
Max Vertical Wall Digging Depth14.60 ft (4.45 m)

Boom/Stick Excavator Option 2

Max Cutting Height27.90 ft (8.50 m)
Max Digging Depth18.30 ft (5.58 m)
Max Loading Height20.00 ft (6.10 m)
Max Reach Along Ground26.90 ft (8.20 m)
Max Vertical Wall Digging Depth16.40 ft (5.00 m)
Shipping Height of Unit9.10 ft (2.77 m)
Shipping Length of Unit25.00 ft (7.62 m)

Boom/Stick Excavator Option 3

Max Cutting Height28.60 ft (8.72 m)
Max Digging Depth19.90 ft (6.07 m)
Max Loading Height20.80 ft (6.34 m)
Max Reach Along Ground28.30 ft (8.63 m)
Max Vertical Wall Digging Depth17.60 ft (5.36 m)
Shipping Height of Unit9.10 ft (2.77 m)
Shipping Length of Unit25.00 ft (7.62 m)

Bucket

Maximum Bucket Capacity1.10 cu yd (0.84 cu m)
Minimum Bucket Capacity0.50 cu yd (0.38 cu m)
Reference Bucket Capacity0.60 cu yd (0.46 cu m)

Dimensions

Ground Clearance1.50 ft (0.46 m)
Height - Top of Cab9.10 ft (2.77 m)
Length of Track on Ground10.00 ft (3.05 m)
Removal Counterweight Clearance3.10 ft (0.94 m)
Tail Swing Radius7.00 ft (2.13 m)
Width to Outside of Tracks8.20 ft (2.50 m)

DRIVE SYSTEM

Maximum Drawbar Pull22,930.00 lbs (10,400.89 kg)
Travel Speed3.40 mph (5.47 kph)

Engine

AspirationTurbocharged
Bore4.10 in (10.41 cm)
Displacement259.00 cu in (4,244.26 cu cm)
Engine ModelCat 3064T Diesel Engine
Flywheel Power84.00 hp (62.64 kw)
Gross Power91.00 hp (67.86 kw)
ISO 924984.00 hp (62.64 kw)
Net Power84.00 hp (62.64 kw)
Power Measured @1900 rpm
SAE J134983.00 hp (61.89 kw)
Stroke5.20 in (13.21 cm)

Hydraulic System

Boom Cylinder - Bore4.30 in (10.92 cm)
Boom Cylinder - Stroke40.00 in (101.60 cm)
Main Implement System - Maximum Flow (2x)64.00 gpm (242.24 lpm)
Maximum Pressure - Implements4340 psi
Maximum Pressure - Swing3340 psi
Maximum Pressure - Travel4980 psi
Stick Cylinder - Bore4.80 in (12.19 cm)
Stick Cylinder - Stroke47.00 in (119.38 cm)

Operating Specifications

Alternator Supplied Amperage50 amps
Cooling System Fluid Capacity4.10 gal (15.52 l)
Engine Oil Capacity3.50 gal (13.25 l)
Fuel Capacity66.10 gal (250.19 l)
Hydraulic Pump Flow Capacity63.50 gpm (240.35 lpm)
Hydraulic System Fluid Capacity42.80 gal (162.00 l)
Hydraulic System Relief Valve Pressure4980 psi
Operating Voltage24 volts
Operating Weight28,010.00 lbs (12,705.14 kg)
Swing Drive Fluid Capacity0.80 gal (3.03 l)

Service Refill Capacities

Cooling System4.10 gal (15.52 l)
Engine Oil3.40 gal (12.87 l)
Final Drive - Each0.70 gal (2.65 l)
Fuel Tank66.00 gal (249.81 l)
Hydraulic System - Including Tank42.80 gal (162.00 l)
Hydraulic Tank25.90 gal (98.03 l)
Swing Drive - Each0.80 gal (3.03 l)

Swing Mechanism

Swing Speed12 rpm

Undercarriage

Drawbar Pull22,930.00 lbs (10,400.89 kg)
Ground Pressure5.6 psi
Max Travel Speed3.50 mph (5.63 kph)
Shoe Size19.70 in (50.04 cm)
Track Gauge6.60 ft (2.01 m)

Weights

Operating Weight31,110.00 lbs (14,111.28 kg)
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