Caterpillar 305 CR Mini Excavator Specs

Category: Mini Excavators ➔
Manufacturer: Caterpillar ➔
Model: 305 CR ➔

The Caterpillar 305 CR is a compact mini excavator designed for construction, utility, landscaping, and site preparation work. It features a reduced tail swing design for operation in confined spaces while maintaining digging performance and machine stability. The 305 CR is commonly equipped with a hydraulic system for attachments, a comfortable operator station, and undercarriage components suited to maneuverability on varied terrain. As part of Caterpillar's mini excavator lineup, the 305 CR is used for trenching, grading, material handling, and light demolition applications. Its size and transportability make it suitable for urban job sites and restricted-access work areas.

General Specifications

Caterpillar 305 CR Mini Excavator General Specifications specifications
Digging Depth	12.00 ft (3.66 m) — Starting 2025 Model Year
Digging Reach	19.10 ft (5.82 m) — Starting 2025 Model Year
Engine	45.00 hp (33.56 kw) — Starting 2025 Model Year
Operating Weight	12,688.00 lbs (5,755.19 kg) — Starting 2025 Model Year

Blade

Caterpillar 305 CR Mini Excavator Blade specifications
Dig Depth	14.00 in (35.56 cm)
Lift Height	18.00 in (45.72 cm)
Width	6.50 ft (1.98 m)

Dimensions

Caterpillar 305 CR Mini Excavator Dimensions specifications
Center Ground Clearance	2.10 ft (0.64 m)
Height - Over Cab	8.60 ft (2.62 m)
Height - Over Canopy	8.60 ft (2.62 m)
Maximum Cutting Height - Long Stick	18.40 ft (5.61 m)
Maximum Cutting Height - Standard Stick	17.70 ft (5.39 m)
Maximum Digging Depth - Long Stick	12.11 ft (3.69 m)
Maximum Digging Depth - Standard Stick	11.70 ft (3.57 m)
Maximum Dump Height - Long Stick	13.00 ft (3.96 m)
Maximum Dump Height - Standard Stick	12.30 ft (3.75 m)
Maximum Horizontal Reach - Long Stick	20.70 ft (6.31 m)
Maximum Horizontal Reach - Standard Stick	19.40 ft (5.91 m)
Maximum Reach - Ground Level - Long Stick	20.20 ft (6.16 m)
Maximum Reach - Ground Level - Standard Stick	18.11 ft (5.52 m)
Maximum Vertical Dig Depth - Long Stick	11.10 ft (3.38 m)
Maximum Vertical Dig Depth - Standard Stick	9.00 ft (2.74 m)
Shipping Length	17.70 ft (5.39 m)
Swing Radius - Rear	3.70 ft (1.13 m)
Track Gauge	5.20 ft (1.58 m)
Track Shoe Width	1.40 ft (0.43 m)
Width - Over Track	6.60 ft (2.01 m)
Width - Upper Structure	6.10 ft (1.86 m)

Electrical System

Caterpillar 305 CR Mini Excavator Electrical System specifications
Electrical System Type	Twelve-volt system

Engine

Caterpillar 305 CR Mini Excavator Engine specifications
Engine Model	3013
Gross Power	43.00 hp (32.07 kw)
Net Power	42.00 hp (31.32 kw)

Engine Dimensions

Caterpillar 305 CR Mini Excavator Engine Dimensions specifications
Bore	3.60 in (9.14 cm)
Displacement	140.00 cu in (2,294.19 cu cm)
Stroke	3.60 in (9.14 cm)

Hydraulic System

Caterpillar 305 CR Mini Excavator Hydraulic System specifications
Auxiliary Circuit - Primary (245 Bar/3,553 Psi)	25.00 gpm (94.63 lpm)
Digging Force - Bucket	9,440.00 lbs (4,281.92 kg)
Digging Force - Stick - Long	5,240.00 lbs (2,376.83 kg)
Digging Force - Stick - Standard	6,205.00 lbs (2,814.54 kg)
Operating Pressure - Equipment	3550 psi
Operating Pressure - Swing	3550 psi
Operating Pressure - Travel	3550 psi
Pump - Gear (Single)	11.20 gpm (42.39 lpm)
Pump - Gear (Tandem)	13.80 gpm (52.23 lpm)

Msc Comments

Caterpillar 305 CR Mini Excavator Msc Comments specifications
Msc Spec Date	1/1/2000

Operational

Caterpillar 305 CR Mini Excavator Operational specifications
Operating Weight	10,890.00 lbs (4,939.63 kg)

Service Refill Capacities

Caterpillar 305 CR Mini Excavator Service Refill Capacities specifications
Cooling System Tag	1.90 gal (7.19 l)
Engine Oil	2.20 gal (8.33 l)
Fuel Tank	18.00 gal (68.13 l)
Hydraulic System	22.40 gal (84.78 l)
Hydraulic Tank	15.00 gal (56.78 l)

Swing System

Caterpillar 305 CR Mini Excavator Swing System specifications
Boom Swing - Left - With Stop	55 degrees
Boom Swing - Left - Without Stop	80 degrees
Boom Swing - Right	50 degrees
Machine Swing Speed	9.6 rpm
Swing System Type	Hydraulic Motor Driven

Travel System

Caterpillar 305 CR Mini Excavator Travel System specifications
Gradeability - Maximum - High	25 degrees
Travel Speed - High	3.00 mph (4.83 kph)
Travel Speed - Low	1.70 mph (2.74 kph)

Weights

Caterpillar 305 CR Mini Excavator Weights specifications
Operating Weight - With Cab	11,000.00 lbs (4,989.52 kg)

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