Caterpillar 312B L Specs

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Overview

The Caterpillar 312B L is a hydraulic excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 84 hp, operating weight of 31812.8 lb, working depth of 16.84 ft, reach of 25.56 ft, capacity of 0.6 yd³ and travel speed of 3.4 mph. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 312B L against similar hydraulic excavator models by power, weight, capacity, dimensions, speed, and other technical values.

Key Specifications

Operating Weight
28,010
lb

Net Power
98.60
hp

Gross Power
91
hp

Max Digging Depth
16.84
ft

Full Specifications

68 specs

Dimensions

Boom/Stick Option (Hex) 1 boom w/ stick 2100mm

Ground Clearance 1.45 ft / 0.44 m

Height to Top of Cab 9.06 ft / 2.76 m

Length of Track on Ground 9.98 ft / 3.04 m

Max Cutting Height 27.01 ft / 8.23 m

Max Digging Depth 16.84 ft / 5.13 m

Max Loading Height 19.23 ft / 5.86 m

Max Reach Along Ground 25.56 ft / 7.79 m

Max Vertical Wall Digging Depth 14.54 ft / 4.43 m

Removal Counterweight Clearance 3 lb / 1 kg

Shipping Height Of Unit 9.06 ft / 2.76 m

Shipping Length Of Unit 24.92 ft / 7.60 m

Tail Swing Radius 6.99 ft / 2.13 m

Width To Outside Of Tracks 8.17 ft / 2.49 m

boom w/ stick 2100mm 2

Engine

Alternator Supplied Amperage 50 A

Bore 4.10 in / 104 mm

Cooling System Fluid Capacity 4.10 gal / 15.5 L

Displacement 259 cu in / 4.2 L

Eec 80/1269 84

Engine Make 2236

Engine Model 3064T

Engine Oil Capacity 3.50 gal / 13.2 L

Flywheel Power 84 hp / 62.6 kW

Fuel Capacity 66.10 gal / 250.2 L

Fuel Tank 66 gal / 249.8 L

Gross Power 91 hp / 67.9 kW

Hydraulic Pump Flow Capacity 63.50 gal/min / 240.4 L/min

Hydraulic System Fluid Capacity 42.80 gal / 162.0 L

Hydraulic System Relief Valve Pressure 4,980 psi / 343.4 bar

Hydraulic Tank 25.90 gal / 98.0 L

Iso 9249 84

Maximum Bucket Capacity 1.10 yd³ / 0.84 m³

Minimum Bucket Capacity 0.50 yd³ / 0.38 m³

Net Power 84 hp / 62.6 kW

Number of Cylinders 4

Operating Voltage 24 V

Operating Weight 28,010 lb / 12,705 kg

Power Measured @ 1,900 rpm

Reference Bucket Capacity 0.60 yd³ / 0.46 m³

Sae J1349 83

Stroke 5.20 in / 132 mm

Swing Drive Fluid Capacity 0.80 gal / 3.0 L

Swing Speed 12 deg

Swing Torque 22,422 deg

Travel Speed 3.40 mph / 5.5 km/h

Hydraulics

Boom Cylinder - Bore 4.30 in / 109 mm

Boom Cylinder - Stroke 40 in / 1,016 mm

Engine Oil 3.40 gal / 12.9 L

Main Implement System - Maximum Flow (2x) 64 gal/min / 242.3 L/min

Maximum Pressure - Implements 4,340 psi / 299.2 bar

Maximum Pressure - Swing 3,340 psi / 230.3 bar

Maximum Pressure - Travel 4,980 psi / 343.4 bar

Pilot System - Maximum Flow 4.80 gal/min / 18.2 L/min

Pilot System - Maximum Pressure 570 psi / 39.3 bar

Stick Cylinder - Bore 4.80 in / 122 mm

Stick Cylinder - Stroke 47 in / 1,194 mm

Other

Cooling System 4.10 gal / 15.5 L

Final Drive - Each 0.7

Hydraulic System - Including Tank 42.80 gal / 162.0 L

Maximum Drawbar Pull 22,930 lb / 10,401 kg

Net Power 99 hp / 73.5 kW

Swing Drive - Each 0.80 deg

Undercarriage

Drawbar Pull 22,930 lb / 10,401 kg

Ground Pressure 6 psi / 0.4 bar

Max Travel Speed 3.42 mph / 5.5 km/h

Shoe Size 19.69 in / 500 mm

Track Gauge 6.53 ft / 1.99 m

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Frequently Asked Questions

What is the operating weight of the Caterpillar 312B L? +

The Caterpillar 312B L has an operating weight of 28,010 lb (12,705 kg). This places it in a class suited for hydraulic excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Caterpillar 312B L engine? +

The Caterpillar 312B L produces 91 hp (67.9 kW) of engine power. This output is typical for its weight class and designed to handle demanding Hydraulic Excavator work cycles efficiently.

What is the maximum digging depth of the Caterpillar 312B L? +

The Caterpillar 312B L has a maximum digging depth of 16.84 ft (5.13 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Caterpillar 312B L? +

The Caterpillar 312B L has a maximum reach along the ground of 25.56 ft (7.79 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Caterpillar 312B L? +

The Caterpillar 312B L has a maximum travel speed of 3.4 mph (5.5 km/h), enabling efficient movement between work areas on the job site.

How does the Caterpillar 312B L compare to similar Hydraulic Excavator models? +

You can compare the Caterpillar 312B L side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.