305 CR Mini Hydraulic Excavator

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Description

Technical Specifications

Benefits and Features

Equipment

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The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Engine
Net Power	45 hp
Engine Model	C1.7 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC	45 hp
Gross Power - 2,400 rpm - SAE J1995:2014	48.4 hp
Bore	3.3 in
Stroke	3.9 in
Displacement	101 in³
Emissions	The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note	Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Weights
Operating Weight	12688 lb
Minimum Operating Weight with Canopy*	11016 lb
Maximum Operating Weight with Canopy**	12469 lb
Minimum Operating Weight with Cab*	11234 lb
Maximum Operating Weight with Cab**	12688 lb
Note (1)	*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Note (2)	**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Dimensions - Long Stick
Dig Depth	144.5 in
Vertical Wall	100.8 in
Maximum Reach - Ground Level	229.7 in
Maximum Reach	235.8 in
Maximum Dig Height	210.8 in
Maximum Dump Clearance	151.4 in
Boom In Reach	101.6 in
Tail Swing without Counterweight	43.1 in
Tail Swing with Counterweight	47.2 in
Maximum Blade Height	15.2 in
Maximum Blade Depth	23.4 in
Boom Height - Shipping Position	74.6 in
O/A Shipping Height	100.4 in
Swing Bearing - Height	24.4 in
O/A Undercarriage Length	101.6 in
Overall Shipping Length*	210.2 in
Boom Swing - Right	34.1 °
Boom Swing - Left	615 mm
Track Belt/Shoe Width	15.7 in
Track Width	78 in
Ground Clearance	13.2 in
Stick Length	63 in
Note	*Overall Shipping Length depends on blade position during shipment.
Dimensions - Standard Stick
Dig Depth	134.6 in
Vertical Wall	91.9 in
Maximum Reach - Ground Level	220.1 in
Maximum Reach	226.6 in
Maximum Dig Height	205.3 in
Maximum Dump Clearance	145.7 in
Boom In Reach	101.2 in
Tail Swing without Counterweight	43.1 in
Tail Swing with Counterweight	47.2 in
Maximum Blade Height	15.2 in
Maximum Blade Depth	23.4 in
Boom Height - Shipping Position	71.7 in
O/A Shipping Height	100.4 in
Swing Bearing - Height	24.4 in
O/A Undercarriage Length	101.6 in
Overall Shipping Length*	208.9 in
Boom Swing - Right	34.1 °
Boom Swing - Left	24.2 °
Track Belt/Shoe Width	15.7 in
Track Width	78 in
Ground Clearance	13.2 in
Stick Length	53.2 in
Note	*Overall Shipping Length depends on blade position during shipment.
Swing System
Machine Swing Speed	9 r/min
Boom Swing - Left	72 Degrees
Boom Swing - Right	50 Degrees
Weight Increase from Minimum Configuration
Counterweight	534 lb
Long Stick	75 lb
Steel Tracks with Pads	827 lb
Angle Blade	225 lb
Hydraulic System
Pump Flow at 2,400 rpm	35 gpm
Operating Pressure - Equipment	3843 psi
Operating Pressure - Travel	3843 psi
Operating Pressure - Swing	2901 psi
Auxiliary Circuit - Primary - Flow	21 gpm
Auxiliary Circuit - Primary - Pressure	3843 psi
Auxiliary Circuit - Secondary - Flow	7 gpm
Auxiliary Circuit - Secondary - Pressure	3843 psi
Digging Force - Stick - Standard	6362 lbf
Digging Force - Stick - Long	5665 lbf
Digging Force - Bucket	11061 lbf
Note	Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Blade
Straight Blade Width	78 in
Straight Blade Height	15.4 in
Angle Blade Width	78 in
Angle Blade Height	15.7 in
Angle Blade - Left	25 degrees
Angle Blade - Right	25 degrees
Travel System
Travel Speed - High	3.1 mile/h
Travel Speed - Low	1.7 mile/h
Maximum Traction Force - High Speed	5553 lbf
Maximum Traction Force - Low Speed	11353 lbf
Ground Pressure - Minimum Weight	4 psi
Ground Pressure - Maximum Weight	4.7 psi
Gradeability - Maximum	30 degrees
Sound
Operator Sound Pressure (ISO 6396:2008)	76 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)	97 dB(A)
Note	The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. *The labeled sound power level for the CE marked configurations when measured according to the test procedure a
Service Refill Capacities
Cooling System	2.9 gal (US)
Engine Oil	1.6 gal (US)
Fuel Tank	17 gal (US)
Hydraulic Tank	16 gal (US)
Hydraulic System	20 gal (US)
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)	ISO 12117-2:2008
Top Guard	ISO 10262:1998 Level I
Sustainability
Recyclability	96%
Air Conditioning System
Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1

ALL DAY COMFORT

Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a suspension seat to help keep you working comfortably all day long.

EASY TO OPERATE

Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information. An advanced touchscreen monitor can also be equipped as an upgrade option.

STICK STEER TRAVEL MODE

Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls to move the machine and to operate the blade. The benefit of less effort and improved control is in your hands!

BIG PERFORMANCE IN A COMPACT DESIGN

Strong lift and dig performance helps you get the job done faster. The compact radius design lets you access and work in the tightest areas. Dig-to-blade and dozer blade float allows for easy clean up. An angle blade is also an option for finished grading and easier backfilling applications.

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 retractable seat belt with optional seat belt reminder system are just a couple of the safety features we’ve built into the machine.

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.

LOWER OPERATING COSTS

Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.

UNMATCHED DEALER SUPPORT

Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.

Standard Equipment:

Engine
- Cat^® C1.7 Turbo Engine (U.S. EPA Tier 4 Final)
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Two Speed Travel
- Fuel Water Separator
- Power on Demand (not available in all regions)
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
Hydraulics
- Smart Tech Electronic Pump
- Accumulator
- Automatic Swing Brake
- Auxiliary Hydraulic Lines
- One and Two Way Auxiliary Flow
- Continuous Auxiliary Flow
- Auxiliary Line Quick Disconnects
Guarding
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
Other
- Eco Drain
Operator Environment
- LED Front and Rear Lights
- LED Boom Light
- Canopy or Cab
- Top Guard ISO 10262:1998 Level I
- ROPS – ISO 12117-2:2008
- TOPS – ISO 12117:1997
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer (optional in some regions)
- Adjustable Wrist Rests
- Washable Floor Mat
- Travel Pedals and Hand Levers
- Machine Security
- Machine Security – Standard Key with Pass Code
- Fabric Suspension Seat (Cab only)
- Vinyl Suspension Seat (Canopy only)
- Hydraulic Lockout – All Controls
- Retractable High Visibility Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- Storage Pocket
- Skylight
- Mounting Bosses for Front
- Signaling/Warning Horn
- Interior Light (Cab only)
- Boom Light, Halogen (not available in all regions)
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)
  – Fuel Level and Coolant Temperature Gauges
  – Maintenance and Machine Monitoring
  – Performance and Machine Adjustments
  – Numeric Security Code
  – Multiple Languages
  – Hour Meter with Wake Up Switch
  – Jog Dial (cab only)
Undercarriage
- Rubber Belt (400 mm/15.7 in)
- Dozer Straight Blade
- Dozer Blade Float
- Tie Downs on Track Frame
Boom, Stick And Linkages
- One Piece Boom (2716 mm/106.9 in)
- Standard Stick (1351 mm/53.2 in)
- Front Shovel Capable – Pin-On
- Thumb Ready
- Certified Lifting Eye
Electrical
- 12 Volt Battery
- Software (machine and monitor)
- Maintenance Free Battery
- Lock Out/Tag Out Battery Disconnect
- 12 Volt Power Socket
- Travel Alarm (optional in some regions)