- Max Cutting Height: 27.01 ft / 8230 mm
- Max Loading Height: 19.23 ft / 5860 mm
- Max Reach Along Ground: 25.56 ft / 7790 mm
- Max Vertical Wall Digging Depth: 14.54 ft / 4430 mm
Published dimensions and weight
Caterpillar 312B
The Caterpillar 312B is a 12.4 t-class hydraulic excavator with a 84 hp engine.
01Published dimensions and weight
Dimensions reference
Measurement reference — not to scale
01Dimensions referenceLength × width × height
02Operating Weight27410 lb12433 kg
03Selected published values84
Hydraulic excavators are commonly used for digging, trenching, loading and site preparation. Published rows for Caterpillar 312B include a published maximum digging depth of 16.84 ft / 5130 mm, published operating weight of 27410 lb / 12433 kg, published engine power of 91 hp / 67.9 kw. These values describe the published configuration; verify the specific machine's configuration, attachments and records.
- Compare the published “Max Cutting Height” field (27.01 ft / 8230 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Max Loading Height” field (19.23 ft / 5860 mm) with the specific machine's configuration and records; options and condition can differ.
- Compare the published “Max Reach Along Ground” field (25.56 ft / 7790 mm) with the specific machine's configuration and records; options and condition can differ.
02Specifications
Published values, clearly grouped.
Published specifications and measurements are organized by section for quick reference.
Boom/Stick Option (Hex) 1
Max Cutting Height27.01 ft8230 mm
Max Loading Height19.23 ft5860 mm
Max Reach Along Ground25.56 ft7790 mm
Max Vertical Wall Digging Depth14.54 ft4430 mm
Max Digging Depth16.84 ft5130 mm
Boom/Stick Option (Hex) 1boom w/ stick 2100mmboom w/ stick 2100mm
Boom/Stick Option (Hex) 2
Shipping Length Of Unit24.92 ft7595 mm
Max Cutting Height27.81 ft8475 mm
Shipping Height Of Unit9.06 ft2760 mm
Max Loading Height20 ft6095 mm
Max Reach Along Ground26.83 ft8175 mm
Max Vertical Wall Digging Depth16.31 ft4970 mm
Max Digging Depth18.21 ft5550 mm
Boom/Stick Option (Hex) 2Boom 14'1" (4300mm) / Stick 8'2" (2500mm)Boom 14'1" (4300mm) / Stick 8'2" (2500mm)
Boom/Stick Option (Hex) 3
Shipping Length Of Unit24.97 ft7610 mm
Max Cutting Height28.53 ft8695 mm
Max Loading Height20.77 ft6330 mm
Shipping Height Of Unit9.06 ft2760 mm
Max Reach Along Ground28.3 ft8625 mm
Max Vertical Wall Digging Depth17.54 ft5345 mm
Max Digging Depth19.85 ft6050 mm
Boom/Stick Option (Hex) 3Boom 14'1" (4300mm) / Stick 9'10" (3000mm)Boom 14'1" (4300mm) / Stick 9'10" (3000mm)
Dimensions
Ground Clearance1.45 ft440 mm
Height To Top Of Cab9.06 ft2760 mm
Width To Outside Of Tracks8.17 ft2490 mm
Length Of Track On Ground9.13 ft2780 mm
Tail Swing Radius6.99 ft2130 mm
Removal Counterweight Clearance3.02 ft920 mm
Undercarriage
Track Gauge6.53 ft1990 mm
Shoe Size19.69 in500 mm
Drawbar Pull22930 lb102 kN
Ground Pressure5.66 psi39.03 kPa
Max Travel Speed3.42 mph5.5 km/h
Engine
Number Of Cylinders44
Engine Make22362236
Engine Model3064T3064T
Net Power84 hp62.7 kw
Gross Power91 hp67.9 kw
Power Measured @1900 rpm1900 rpm
Displacement259 cu in4.3 L
AspirationTurbochargedTurbocharged
Bore4.1 in102.2 mm
Stroke5.2 in130.1 mm
Flywheel Power84 hp62.7 kw
Eec 80/126984 hp62.7 kw
Sae J134984 hp62.7 kw
Iso 924984 hp62.7 kw
Operational
Operating Weight27410 lb12433 kg
Fuel Capacity66.1 gal250 L
Cooling System Fluid Capacity4.1 gal15.5 L
Hydraulic System Fluid Capacity42.8 gal162 L
Operating Voltage24 V24 V
Engine Oil Capacity3.5 gal13 L
Swing Drive Fluid Capacity0.8 gal2.8 L
Alternator Supplied Amperage50 amps50 amps
Hydraulic System Relief Valve Pressure4980 psi34335.9 kPa
Hydraulic Pump Flow Capacity63.5 gal/min240 L/min
Swing Mechanism
Swing Speed12.3 rpm12.3 rpm
Swing Torque22422 lb ft30400.2 Nm
Weights
Operating Weight28680 lb13009.1 kg
Buckets
Reference Bucket Capacity0.6 yd30.5 m3
Minimum Bucket Capacity0.5 yd30.4 m3
Maximum Bucket Capacity1.1 yd30.8 m3
Hydraulic System
Pilot System - Maximum Flow4.8 gal/min4.8 gal/min
Pilot System - Maximum Pressure570 psi570 psi
Maximum Pressure - Travel4980 psi4980 psi
Maximum Pressure - Swing3340 psi3340 psi
Maximum Pressure - Implements4340 psi4340 psi
Main Implement System - Maximum Flow (2x)32 gal/min32 gal/min
Boom Cylinder - Bore4.3 in109.3 mm
Boom Cylinder - Stroke40 in1016 mm
Stick Cylinder - Bore4.8 in122 mm
Stick Cylinder - Stroke47 in1193.8 mm
Bucket Cylinder - Bore4 in101.6 mm
Bucket Cylinder - Stroke37.5 in952.5 mm
Service Refill Capacities
Cooling System4.1 gal15.6 L
Fuel Tank66 gal249.9 L
Final Drive - Each0.7 gal2.5 L
Hydraulic Tank25.9 gal98.1 L
Hydraulic System - Including Tank42.8 gal162.1 L
Engine Oil3.4 gal12.9 L
Swing Drive - Each0.8 gal2.9 L
Drive
Maximum Drawbar Pull22930 lb10400.9 kg
Travel Speed3.4 mph5.5 km/h
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Manufacturer-published specifications.