CAT 312E Excavator


Dimensions

Ground Clearance 1.45 ft in (440 mm)
Height To Top Of Cab 9.09 ft in (2770 mm)
Tail Swing Radius 7.09 ft in (2160 mm)
Removal Counterweight Clearance 2.92 ft in (890 mm)

Undercarriage

Drawbar Pull 25628 lb (114 kN)
Max Travel Speed 3.4 mph (5.48 km/h)

Engine Details

Engine Make CAT
Engine Model CAT C4.4 ACERT
Gross Power 95 hp (70.9 kw)
Net Power 91 hp (67.9 kw)
Displacement 269 cu in (4.5 L)
Bore 4.2 in (105 mm)
Stroke 5 in (127 mm)
Net Power – Sae J1349 91 hp (67.9 kw)
Gross Power – Sae J1995 95 hp (70.9 kw)
Engine Model Cat C4.4 ACERT
Flywheel Power 91 hp (67.9 kw)

Operational Specs

Operating Weight 29770 lb (13503.5 kg)
Fuel Tank Capacity 66.1 gal (250 L)
Cooling System Fluid Capacity 5.9 gal (22 L)
Hydraulic System Fluid Capacity 43.4 gal (164 L)
Engine Oil Capacity 3.6 gal (13.6 L)
Swing Drive Fluid Capacity 0.7 gal (2.4 L)

Weights

Operating Weight 33080 lb (15004.9 kg)
Maximum Operating Weight 33080 lb (15004.9 kg)
Minimum Operating Weight 29770 lb (13503.5 kg)
Minimum Operating Weight* 29770 lb (13503.5 kg)
Maximum Operating Weight** 33080 lb (15004.9 kg)

Hydraulic System

Pilot System – Maximum Flow 5.8 gal/min
Pilot System – Maximum Pressure 598 psi
Maximum Pressure – Travel 5076 psi
Maximum Pressure – Swing 3336 psi
Swing System – Maximum Flow 34 gal/min
Boom Cylinder – Bore 4 in (101.6 mm)
Boom Cylinder – Stroke 40 in (1016 mm)
Stick Cylinder – Bore 5 in (127 mm)
Stick Cylinder – Stroke 47 in (1193.8 mm)
Bucket Cylinder – Bore 4 in (101.6 mm)
Bucket Cylinder – Stroke 37 in (939.8 mm)
Main System – Maximum Flow – Total 67 gal/min
Maximum Pressure – Equipment 4424 psi

Service Refill Capacities

Cooling System 5.9 gal (22 L)
Final Drive – Each 0.8 gal (3 L)
Hydraulic Tank 24 gal (90.6 L)
Hydraulic System – Including Tank 43.4 gal (164 L)
Fuel Tank Capacity 66.1 gal (250 L)
Swing Drive 0.7 gal (2.4 L)
Engine Oil – With Filter 3.6 gal (13.6 L)

Standards

Brakes ISO 10265 2008
Rops Cab ISO 12117-2
Cab/Opg ISO 10262 1998

Sound Performance

Operator Noise (Closed) – Iso 6396 69 dB(A)
Spectator Noise – Iso 6395 100 dB(A)

Track

Number Of Track Rollers – Each Side – Long Undercarriage 7 pieces
Number Of Shoes – Each Side – Long Undercarriage 46 pieces
Number Of Carrier Rollers – Each Side – Long Undercarriage 2 pieces

Drive

Maximum Travel Speed 3.4 mph (5.5 km/h)
Maximum Drawbar Pull 25628 lb (11624.7 kg)
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