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 equipped with a fuel-efficient diesel engine, hydraulic system, and operator cab configured for productivity and control. The 312E is commonly used in construction, landscaping, municipal, and infrastructure applications. Typical features include a reinforced undercarriage, boom and stick options, auxiliary hydraulic capability, and compatibility with a range of buckets and attachments. As part of the Caterpillar excavator lineup, the 312E is recognized for balanced digging performance, transportability, and versatility across medium-duty earthmoving tasks.
Dimensions
Caterpillar 312E Excavator Dimensions specifications
Ground Clearance
1.45 ft (0.44 m)
Height
9.75 ft (2.97 m)
Height To Top Of Cab
9.09 ft (2.77 m)
Length
25.17 ft (7.67 m)
Removal Counterweight Clearance
2.92 ft (0.89 m)
Tail Swing Radius
7.09 ft (2.16 m)
Weight
33,080.00 lbs (15,004.85 kg)
Width
9.08 ft (2.77 m)
Drive
Caterpillar 312E Excavator Drive specifications
Maximum Drawbar Pull
25,628.00 lbs (11,624.68 kg)
Maximum Travel Speed
3.40 mph (5.47 kph)
Engine
Caterpillar 312E Excavator Engine specifications
Bore
4.20 in (10.67 cm)
Displacement
269.00 cu in (4,408.13 cu cm)
Engine Make
2236
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)
Main System - Maximum Flow - Total
67.00 gpm (253.60 lpm)
Maximum Pressure - Equipment
4424 psi
Maximum Pressure - Swing
3336 psi
Maximum Pressure - Travel
5076 psi
Pilot System - Maximum Flow
5.80 gpm (21.95 lpm)
Pilot System - Maximum Pressure
598 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)
Operational
Caterpillar 312E Excavator Operational 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)
Engine Oil - With Filter
3.60 gal (13.63 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)
Sound Performance
Caterpillar 312E Excavator Sound Performance specifications
Operator Noise (Closed) - Iso 6396
69 dB(A)
Spectator Noise - Iso 6395
100 dB(A)
Standards
Caterpillar 312E Excavator Standards specifications
Brakes
ISO 10265 2008
Cab/Opg
ISO 10262 1998
Rops Cab
ISO 12117-2
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)
Maximum Operating Weight**
33,080.00 lbs (15,004.85 kg)
Minimum Operating Weight
29,770.00 lbs (13,503.46 kg)
Minimum Operating Weight*
29,770.00 lbs (13,503.46 kg)
Operating Weight
33,080.00 lbs (15,004.85 kg)
