Category : Excavators ➔ Manufacturer : Caterpillar ➔ Model : 312E ➔
The Caterpillar 312E is a hydraulic excavator in Caterpillar's 12-ton class, designed for general excavation, trenching, site preparation, and utility work. It is part of the Cat E Series and is commonly configured with a standard boom and stick, enclosed cab, and hydraulic auxiliary circuits for attachments. The 312E uses a diesel engine and hydraulic system engineered for balanced digging performance, fuel efficiency, and controllability. Typical applications include construction, landscaping, roadwork, and material handling. As with other Caterpillar excavators, the 312E is known for service access, operator comfort, and compatibility with a range of buckets and work tools.
Boom/Stick Excavator Option 1
Caterpillar 312E Excavator Boom/Stick Excavator Option 1 specifications
Max Digging Depth
19.80 ft (6.04 m)
Max Reach Along Ground
28.30 ft (8.63 m)
Dimensions
Caterpillar 312E Excavator Dimensions specifications
Ground Clearance
1.50 ft (0.46 m)
Height - Top of Cab
9.10 ft (2.77 m)
Removal Counterweight Clearance
3.00 ft (0.91 m)
Tail Swing Radius
7.10 ft (2.16 m)
DRIVE SYSTEM
Caterpillar 312E Excavator DRIVE SYSTEM specifications
Maximum Drawbar Pull
25,628.00 lbs (11,624.68 kg)
Engine
Caterpillar 312E Excavator Engine specifications
Bore
4.20 in (10.67 cm)
Displacement
269.00 cu in (4,408.13 cu cm)
Engine Model
Cat C4.4 ACERT
Flywheel Power
91.00 hp (67.86 kw)
Gross Power
95.00 hp (70.84 kw)
Gross Power - SAE J1995
95.00 hp (70.84 kw)
Net Power
91.00 hp (67.86 kw)
Net Power - SAE J1349
91.00 hp (67.86 kw)
Stroke
5.00 in (12.70 cm)
Hydraulic System
Caterpillar 312E Excavator Hydraulic System specifications
Boom Cylinder - Bore
4.00 in (10.16 cm)
Boom Cylinder - Stroke
40.00 in (101.60 cm)
Bucket Cylinder - Bore
4.00 in (10.16 cm)
Bucket Cylinder - Stroke
37.00 in (93.98 cm)
Maximum Pressure - Equipment
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi
Stick Cylinder - Bore
5.00 in (12.70 cm)
Stick Cylinder - Stroke
47.00 in (119.38 cm)
Swing System - Maximum Flow
34.00 gpm (128.69 lpm)
Operating Specifications
Caterpillar 312E Excavator Operating Specifications specifications
Cooling System Fluid Capacity
5.90 gal (22.33 l)
Engine Oil Capacity
3.60 gal (13.63 l)
Fuel Capacity
66.10 gal (250.19 l)
Hydraulic System Fluid Capacity
43.40 gal (164.27 l)
Operating Weight
29,770.00 lbs (13,503.46 kg)
Swing Drive Fluid Capacity
0.70 gal (2.65 l)
Service Refill Capacities
Caterpillar 312E Excavator Service Refill Capacities specifications
Cooling System
5.90 gal (22.33 l)
Final Drive - Each
0.80 gal (3.03 l)
Fuel Tank Capacity
66.10 gal (250.19 l)
Hydraulic System - Including Tank
43.40 gal (164.27 l)
Hydraulic Tank
24.00 gal (90.84 l)
Swing Drive
0.70 gal (2.65 l)
Standards
Caterpillar 312E Excavator Standards specifications
Brakes
ISO 10265 2008
Track
Caterpillar 312E Excavator Track specifications
Number of Carrier Rollers - Each Side - Long Undercarriage
2 pieces
Number of Shoes - Each Side - Long Undercarriage
46 pieces
Number of Track Rollers - Each Side - Long Undercarriage
7 pieces
Undercarriage
Caterpillar 312E Excavator Undercarriage specifications
Drawbar Pull
25,628.00 lbs (11,624.68 kg)
Max Travel Speed
3.40 mph (5.47 kph)
Weights
Caterpillar 312E Excavator Weights specifications
Maximum Operating Weight
33,080.00 lbs (15,004.85 kg)
Minimum Operating Weight
29,770.00 lbs (13,503.46 kg)
Operating Weight
33,080.00 lbs (15,004.85 kg)
