305 SR

The Cat® 305 SR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.

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Net Power69.5HP

Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC69.5HP

Bore3.7in

Gross Power - SAE J199574.3HP

Stroke4.7in

Displacement203in³

Operating Weight20385lb

Minimum Operating Weight with Standard Stick*19084lb

Maximum Operating Weight with Standard Stick**20385lb

Note (1)*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket.

Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket.

Dig Depth150.2in

Maximum Blade Height14.6in

Boom in Reach122.8in

Transport Height97.4in

Swing Bearing Height29.8in

Cab Height100in

Maximum Blade Depth16in

Maximum Dig Height205.5in

Overall Shipping Length253.9in

Overall Undercarriage Length113.4in

Maximum Reach at Ground Level248in

Overall Track Width90.6in

Boom Swing Right37in

Ground Clearance13.8in

Maximum Reach256.5in

Maximum Dump Clearance135.8in

Stick Length71.7in

Boom Swing Left24in

Tail Swing without Counterweight57.1in

Track Belt/Shoe Width17.7in

Tail Swing with Counterweight62.4in

Height17in

Width - Standard90.6in

Width - Wide96.5in

Transport Height97.4in

Boom in Reach106.7in

Maximum Dig Height322in

Dig Depth136.2in

Overall Undercarriage Length113.4in

Boom Swing Right37in

Overall Shipping Length253.9in

Tail Swing without Counterweight57.1in

Maximum Reach310.4in

Boom Swing Left24in

Maximum Blade Depth16in

Stick Length71.7in

Swing Bearing Height29.8in

Cab Height100in

Maximum Dump Clearance247.4in

Maximum Blade Height14.6in

Track Belt/Shoe Width17.7in

Ground Clearance13.8in

Tail Swing with Counterweight62.4in

Maximum Reach at Ground Level303.7in

Vertical Wall146.7in

Overall Track Width90.6in

Recyclability96%

Steel Tracks with Pads752lb

Counterweight552lb

Ground Pressure - Maximum Weight5.9psi

Maximum Traction Force - High Speed6250lbf

Ground Pressure - Minimum Weight5.5psi

Travel Speed - Low1.9mile/h

Travel Speed - High3.2mile/h

Maximum Traction Force - Low Speed15175lbf

Gradeability - Maximum30 degrees

Hydraulic System29gal (US)

Hydraulic Tank14gal (US)

Engine Oil3gal (US)

Fuel Tank39gal (US)

Cooling System2.6gal (US)

Maximum Auxiliary Circuit - Primary - Flow at Pump35gal/min

Maximum Auxiliary Circuit - Primary - Pressure at Pump4134psi

Operating Pressure - Equipment4134psi

Digging Force - Stick - Standard9509lbf

Operating Pressure - Travel4134psi

Pump Flow at 2,400 rpm44gal/min

Digging Force - Bucket13946lbf

Maximum Auxiliary Circuit - Secondary - Flow at Pump9gal/min

Maximum Auxiliary Circuit - Secondary - Pressure at Pump4134psi

Operating Pressure - Swing3626psi

Boom Swing - Left60 degrees

Machine Swing Speed10.6r/min

Boom Swing - Right50 degrees

Operator Sound Pressure (ISO 6396:2008)72dB(A)

Standard

Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)

Automatic Engine Idle

Automatic Engine Shutdown

Automatic Swing Brake

Automatic Two Speed Travel

Fuel Water Separator with Indicator

Radial Seal – Double Element Air Filter

Extended Life Coolant, –37° C ( –35° F)

Ecology Drain

Standard

Smart Tech Electronic Pump

Electronic Variable Displacement Piston Pump

Load Sensing/Flow Sharing Hydraulics

Power On Demand

Hydraulic Temperature Monitoring

Certified Accumulator

HYDO Advanced Hydraulic Oil

Standard

Top Guard ISO 10262 1998 Level I

ROPS ISO 12117-2:2008

Sealed and Pressurized Cab

Stick Steer Mode

Travel Cruise Control

Control Pattern Changer

Adjustable Wrist Rests

Molded Footrests

Removable, Washable Floor Mat

Travel Pedals and Hand Levers

Cat Key with Passcode Option

HVAC with Automatic Temperature Control

Hydraulic Lockout Controls

Integrated Lower Front Window

Assisted Front Window Overhead Storage

Rear Window Emergency Exit

Fabric, High Back, Suspension Seat

Retractable Seat Belt (75 mm/3 in)

Coat Hook

Cup Holder

LED Interior Light

Literature Holder

Mounting Bosses for Top and Front Guards

12V Power Socket

Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)

Skylight

Signaling/Warning Horn

Cab and (left side) Boom Work Lights

Utility Space for Mobile Phone

Next Generation Color LCD Monitor (IP66)
– Jog Dial Interface
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Camera Ready (IP68 & IP69K)
– Hour Meter with Wake Up Switch

Optional

Push to Start with Bluetooth® Key

Air Suspension Heated Seat

Rain Visor

Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
– Touch Screen
– Site Reference System
– High Definition Camera Capable (IP68 & IP69K)
– Numeric Security Code

Standard

Greased and Lubricated Track

Hydraulic Track Adjusters

Tie Down Eyes on Track Frame

Dozer Blade

Dozer Float

Bolt-on, Reversible Wear Edge

Optional

Wide Dozer Blade

Steel Tracks (450 mm/17.7 in wide)

Wide Steel Tracks (600 mm/23.6 in)

Steel Track with Rubber Pads

Track Guides

Standard

Variable Angle Boom

Standard Stick (1820 mm/71.7 in)

Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)

Thumb Ready (not available in all regions)

Optional

Attachments including Buckets, Augers and Hammers

2nd Auxiliary Hydraulic Lines

Boom Lowering Check Valve

Stick Lowering Check Valve

Certified Lifting Eye

Standard

12 Volt Electrical System

60 Ampere Alternator

Circuit Breaker

900 CCA Maintenance Free Battery

Battery Disconnect

Ignition Key Stop Switch

Optional

Product Link Elite (regulations apply)

Travel Alarm

Rearview Camera

Rotating Beacon

Standard

Locks on External Enclosure Doors

Lockable Fuel Cap

Beacon Socket

Rear Reflectors

Optional

Additional Counterweight

Water Jacket Heater

Refueling Pump

Optional

Mesh Front Guard ISO 10262 1998 Level I

Heavy Duty Front Guard ISO 10262 1998 Level II

Overhead Cab Guard ISO 10262 1998 Level II

Polycarbonate Front Window EN356 P5A

Track Guards

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