The Caterpillar 303E CR is a compact mini excavator designed for utility, landscaping, and light construction work. Part of Caterpillar's 3-ton class, the 303E CR features a reduced tail swing design for improved maneuverability in confined job sites. It is commonly equipped with a diesel engine, hydraulic auxiliary circuits, and a dozer blade for grading and backfilling. The machine supports a range of attachments, including buckets, augers, and breakers. The 303E CR is used for trenching, site preparation, material handling, and demolition tasks where a small footprint and precise control are required.
Blades
Caterpillar 303E CR Mini Excavator Blades specifications
Blade Height
13.00 in (33.02 cm)
Blade Lift Height
16.00 in (40.64 cm)
Blade Width
5.00 ft (1.52 m)
Dig Depth
19.00 in (48.26 cm)
Boom/Stick Excavator Option 1
Caterpillar 303E CR Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Digging Depth
9.00 ft (2.74 m)
Max Reach Along Ground
15.80 ft (4.82 m)
Engine
Caterpillar 303E CR Mini Excavator Engine specifications
Bore
3.10 in (7.87 cm)
Displacement
77.00 cu in (1,261.81 cu cm)
Engine Model
Cat C1.3
Gross Power
24.80 hp (18.49 kw)
Net Power
23.50 hp (17.52 kw)
Stroke
3.50 in (8.89 cm)
Hydraulic System
Caterpillar 303E CR Mini Excavator Hydraulic System specifications
Digging Force - Bucket
6,385.00 lbs (2,895.69 kg)
Digging Force - Stick - Long
3,327.00 lbs (1,508.84 kg)
Digging Force - Stick - Standard
3,732.00 lbs (1,692.52 kg)
Hydraulic System Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment
3553 psi
Operating Pressure - Swing
2625 psi
Operating Pressure - Travel
3553 psi
Pump Flow at 2,400 rpm
23.10 gpm (87.43 lpm)
Operating Specifications
Caterpillar 303E CR Mini Excavator Operating Specifications specifications
Operating Weight
7,782.00 lbs (3,529.25 kg)
Service Refill Capacities
Caterpillar 303E CR Mini Excavator Service Refill Capacities specifications
Cooling System
1.20 gal (4.54 l)
Engine Oil
1.50 gal (5.68 l)
Fuel Tank
11.90 gal (45.04 l)
Hydraulic System
17.20 gal (65.10 l)
Hydraulic Tank
12.40 gal (46.93 l)
Swing System
Caterpillar 303E CR Mini Excavator Swing System specifications
Boom Swing - Left - Without Stop
80 degrees
Machine Swing Speed
9 rpm
Travel System
Caterpillar 303E CR Mini Excavator Travel System specifications
Maximum Traction Force - High Speed
3,417.00 lbs (1,549.66 kg)
Maximum Traction Force - Low Speed
6,947.00 lbs (3,150.57 kg)
Travel Speed - High
2.80 mph (4.51 kph)
Travel Speed - Low
1.50 mph (2.41 kph)
Weights
Caterpillar 303E CR Mini Excavator Weights specifications
Operating Weight - With Cab
7,204.00 lbs (3,267.12 kg)
Operating Weight - With Canopy
6,721.00 lbs (3,048.07 kg)
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