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305.5

Mini Excavators

The Cat® 305.5 Mini Excavator with standard tail and fixed side boom design delivers high performance with low fuel consumption. The durable and reliable structure helps you work in applications with high productivity but low operating cost.

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Engine Model Cat C2.2
Net Power 32.6 kW
Net Power - 2,400 rpm - ISO 9249/SAE J1349 32.6 kW
Bore 84 mm

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FEATURES & BENEFITS

ALL DAY COMFORT

A sealed cab is equipped with an improved air conditioning system, radio and a suspension seat to help keep you working comfortably all day long. Read more

EASY TO OPERATE

Controls are easy to use with an ergonomic joystick. 100% pilot controls and a load sensing hydraulic system deliver smooth, powerful performance. Read more

BIG PERFORMANCE IN A MINI DESIGN

Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently.Heavy duty structural design ensures machine durability a... Read more

SAFETY ON THE JOB SITE

Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent seat belt are just a couple o... Read more

SIMPLE SERVICE FOR LESS DOWNTIME

Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors. All machines are equipped with GP... Read more

LOWER OPERATING COSTS

Cat C2.2 engine and hydraulics with a variable displacement electronic pump delivers fuel efficiency.Equipped with greased and lubricated tracks for significantly increas... Read more

UNMATCHED DEALER SUPPORT

Your Cat dealer is here to help you reach your business goals, from providing equipment solutions to operator training and much more. Read more

SPECIFICATIONS FOR 305.5

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Engine
Engine Model Cat C2.2
Net Power 32.6 kW
Net Power - 2,400 rpm - ISO 9249/SAE J1349 32.6 kW
Bore 84 mm
Stroke 100 mm
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Displacement 2.2 l
Gross Power - 2,400 rpm - SAE J1995:2014 34.1 kW
Weights
Operating Weight 5600 kg
Operating Weight - With Cab 5600 kg
Note Weight includes counterweight, steel tracks, 0.22 m³ bucket, operator.
Bucket
Bucket Width 766 mm
Bucket Capacity 0.22 m³
Blade
Width 1952 mm
Height 339 mm
Travel System
Ground Pressure - Maximum Weight 32.2 kPa
Travel Speed - High 3.8 km/h
Maximum Traction Force 41.5 kN
Travel Speed - Low 2.8 km/h
Gradeability - Maximum 30°
Hydraulic System
Operating Pressure - Travel 25200 kPa
Digging Force - Stick 27.4 kN
Pump Flow at 2,400 rpm 140 l/min
Type (2) Cat
Type (1) Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Bucket 35.3 kN
Note *Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment 25200 kPa
Operating Pressure - Swing 21600 kPa
Maximum Auxiliary Circuit - Primary - Pressure at Pump* 252 bar
Auxiliary Circuit - Primary - Flow at Pump* 110 l/min
Swing System
Machine Swing Speed 10 min-1
Service Refill Capacities
Cooling System 10 l
Engine Oil 8 l
Hydraulic Tank 58 l
Fuel Tank 165 l
Hydraulic System 94 l
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Sound
Dynamic Operating Sound Pressure (ISO 6396:2008) <80 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) <98 dB(A)
Dimensions
Note *Working range and dimensions are for standard stick.
Maximum Dig Height 5460 mm
Tail Swing Radius 1580 mm
Maximum Blade Height 365 mm
Maximum Reach - Ground Level 5830 mm
Track Shoe Width 400 mm
Maximum Blade Depth 482 mm
Vertical Wall 2206 mm
Ground Clearance - Frame 312 mm
Boom in Reach 2420 mm
Swing Bearing Height 628 mm
Maximum Dump Clearance 3835 mm
Overall Track Length 2440 mm
Overall Shipping Height 2550 mm
Maximum Reach 5955 mm
Dig Depth 3720 mm
Overall Shipping Width 1950 mm
Overall Shipping Length 5765 mm
Boom Height in Shipping Position 1860 mm
Working Ranges
Maximum Dump Height 3835 mm
Maximum Reach 5955 mm
Maximum Digging Height 5460 mm
Maximum Reach - Ground Line 5830 mm
Maximum Depth 3720 mm
Maximum Vertical Wall 2210 mm

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Height 431 mm
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Daya Bersih 15.7 kW
Bobot Kerja 2262 kg
Kedalaman Penggalian 2570 mm
Model Engine C1.1
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Engine Model D1105-K3A
Net Power 14 kW
Operating Weight 1980 kg
Standard Bucket Capacity 0.066 m³
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Model Engine Mitsubishi S4Q2
Daya Bersih 31 kW
Daya Kotor 32.2 kW
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Net Power 17.5 kW
Engine Model Cat® C1.7
Gross Power 18.5 kW
Operating Weight 3723 kg
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Net Power 51.8 kW
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 51.8 kW
Bore 94 mm
Gross Power - SAE J1995 55.4 kW
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Engine Model 4M40-TL
Net Power 41.5 kW
Operating Weight 7850 kg
Operating Weight - With Cab 7850 kg
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