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 in confined spaces. It features a reduced tail swing design for improved maneuverability near walls, structures, and obstacles. The 305 CR is commonly used for digging, trenching, grading, lifting, and material handling. Caterpillar mini excavators in this class are known for hydraulic performance, operator comfort, and compatibility with a range of buckets and attachments. The 305 CR is suited to contractors needing a versatile machine with transport-friendly dimensions and the ability to work efficiently on small to medium job sites.

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
Max Digging Depth	144.5 in ft (44.04 m) — Starting 2023 Model Year
Net Power	45.00 hp (33.56 kw) — Starting 2023 Model Year
Operating Weight	12,688.00 lbs (5,754.20 kg) — Starting 2025 Model Year

Blades

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

Dimensions

Caterpillar 305 CR Mini Excavator Dimensions specifications
Center Ground Clearance	2.10 ft (0.64 m)
Digging Depth	11.00 ft (3.35 m)
Digging Reach	11.00 ft (3.35 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	12.20 ft (3.72 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	18.10 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
Bore	3.60 in (9.14 cm)
Displacement	140.00 cu in (2,294.19 cu cm)
Engine Model	3013
Gross Power	43.00 hp (32.07 kw)
Net Power	42.00 hp (31.32 kw)
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 (4,281.18 kg)
Digging Force - Stick - Long	5,240.00 lbs (2,376.42 kg)
Digging Force - Stick - Standard	6,205.00 lbs (2,814.06 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)

Operating Specifications

Caterpillar 305 CR Mini Excavator Operating Specifications specifications
Operating Weight	11,001.00 lbs (4,989.12 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
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 (4,988.66 kg)

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