The Caterpillar 305E CR is a compact mini excavator designed for digging, trenching, grading, and utility work in confined jobsite conditions. It features a reduced tail swing design for improved maneuverability in tight spaces, along with a hydraulic system suited for precise control and efficient operation. The 305E CR is commonly used in construction, landscaping, municipal work, and site preparation. Its compact size supports transportability and access to restricted areas while maintaining the performance expected from a Caterpillar excavator. The model is part of Caterpillar's mini excavator lineup and is available with multiple attachment options for versatile jobsite use.
Blade
Caterpillar 305E CR Mini Excavator Blade specifications
Dig Depth
21.30 in (54.10 cm)
Height
14.80 in (37.59 cm)
Lift Height
16.50 in (41.91 cm)
Width
6.50 ft (1.98 m)
Dimensions
Caterpillar 305E CR Mini Excavator Dimensions specifications
Height - Over Cab
8.31 ft (2.53 m)
Maximum Cutting Height - Long Stick
17.80 ft (5.43 m)
Maximum Cutting Height - Standard Stick
17.30 ft (5.27 m)
Maximum Digging Depth - Standard Stick
10.80 ft (3.29 m)
Maximum Dump Height - Long Stick
12.80 ft (3.90 m)
Maximum Dump Height - Standard Stick
12.20 ft (3.72 m)
Maximum Horizontal Reach - Long Stick
19.61 ft (5.98 m)
Maximum Horizontal Reach - Standard Stick
18.40 ft (5.61 m)
Maximum Reach - Ground Level - Standard Stick
17.80 ft (5.43 m)
Maximum Vertical Dig Depth - Long Stick
8.81 ft (2.69 m)
Maximum Vertical Dig Depth - Standard Stick
7.60 ft (2.32 m)
Shipping Height
8.31 ft (2.53 m)
Shipping Length
17.00 ft (5.18 m)
Track Shoe Width
1.30 ft (0.40 m)
Transport Width
6.50 ft (1.98 m)
Engine
Caterpillar 305E CR Mini Excavator Engine specifications
Engine Model
Cat C2.4
Gross Power
41.80 hp (31.17 kw)
Net Power
40.20 hp (29.98 kw)
Engine Dimensions
Caterpillar 305E CR Mini Excavator Engine Dimensions specifications
Bore
3.40 in (8.64 cm)
Displacement
146.00 cu in (2,392.52 cu cm)
Stroke
4.00 in (10.16 cm)
Hydraulic System
Caterpillar 305E CR Mini Excavator Hydraulic System specifications
Auxiliary Circuit - Primary
18.50 gpm (70.02 lpm)
Auxiliary Circuit - Secondary
10.00 gpm (37.85 lpm)
Digging Force - Bucket
10,050.00 lbs (4,558.61 kg)
Digging Force - Stick - Long
4,788.00 lbs (2,171.80 kg)
Digging Force - Stick - Standard
5,550.00 lbs (2,517.44 kg)
Operating Pressure - Equipment
3553 psi
Operating Pressure - Swing
2690 psi
Operating Pressure - Travel
3553 psi
Msc Comments
Caterpillar 305E CR Mini Excavator Msc Comments specifications
Msc Spec Date
3/06
Operational
Caterpillar 305E CR Mini Excavator Operational specifications
Operating Weight
10,836.00 lbs (4,915.13 kg)
Service Refill Capacities
Caterpillar 305E CR Mini Excavator Service Refill Capacities specifications
Cooling System
2.80 gal (10.60 l)
Engine Oil
2.50 gal (9.46 l)
Fuel Tank
16.60 gal (62.83 l)
Hydraulic System
20.60 gal (77.97 l)
Hydraulic Tank
18.00 gal (68.13 l)
Swing System
Caterpillar 305E CR Mini Excavator Swing System specifications
Boom Swing - Left - With Stop
60 degrees
Boom Swing - Left - Without Stop
80 degrees
Boom Swing - Right
50 degrees
Machine Swing Speed
9 rpm
Travel System
Caterpillar 305E CR Mini Excavator Travel System specifications
Maximum Traction Force - High Speed
5,418.00 lbs (2,457.57 kg)
Maximum Traction Force - Low Speed
10,161.00 lbs (4,608.96 kg)
Travel Speed - High
2.80 mph (4.51 kph)
Travel Speed - Low
1.60 mph (2.57 kph)
Weights
Caterpillar 305E CR Mini Excavator Weights specifications
Operating Weight - With Cab
11,217.00 lbs (5,087.95 kg)
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