305 CR - Tier 4 / Stage V
305 CR Mini Hydraulic Excavator
The 305 CR Mini Excavator delivers power and performance in a 5 ton size class to help you work in a wide range of applications.
305 CR - Tier 4 / Stage V
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
- Specifications
- Standard / Optional Features
- Long Name -305 CR Mini Hydraulic Excavator
- Name -305 CR - Tier 4 / Stage V
- Brand -Caterpillar
- Status -Current
- Net Power - 45 hp / 33.6 kW
- Engine Model - C1.7 Turbo
- Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC - 45 hp / 33.6 kW
- Gross Power - 2,400 rpm - SAE J1995:2014 - 48.4 hp / 36.1 kW
- Bore - 3.3 in / 84 mm
- Stroke - 3.9 in / 100 mm
- Displacement - 101 in³ / 1.662 l
- 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.
- Operating Weight - 12688 lb / 5754 kg
- Minimum Operating Weight with Canopy* - 11016 lb / 4996 kg
- Maximum Operating Weight with Canopy** - 12469 lb / 5655 kg
- Minimum Operating Weight with Cab* - 11234 lb / 5095 kg
- Maximum Operating Weight with Cab** - 12688 lb / 5754 kg
- 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.
- Counterweight - 534 lb / 242 kg
- Long Stick - 75 lb / 34 kg
- Steel Tracks with Pads - 827 lb / 375 kg
- Angle Blade - 225 lb / 102 kg
- Travel Speed - High - 3.1 mile/h / 5 km/h
- Travel Speed - Low - 1.7 mile/h / 2.8 km/h
- Maximum Traction Force - High Speed - 5553 lbf / 24.7 kN
- Maximum Traction Force - Low Speed - 11353 lbf / 50.5 kN
- Ground Pressure - Minimum Weight - 4 psi / 27.3 kPa
- Ground Pressure - Maximum Weight - 4.7 psi / 32.2 kPa
- Gradeability - Maximum - 30 degrees
- Cooling System - 2.9 gal (US) / 11 l
- Engine Oil - 1.6 gal (US) / 6 l
- Fuel Tank - 17 gal (US) / 63 l
- Hydraulic Tank - 16 gal (US) / 60 l
- Hydraulic System - 20 gal (US) / 75 l
- Pump Flow at 2,400 rpm - 35 gpm / 133 L/min
- Operating Pressure - Equipment - 3843 psi / 265 bar
- Operating Pressure - Travel - 3843 psi / 265 bar
- Operating Pressure - Swing - 2901 psi / 200 bar
- Auxiliary Circuit - Primary - Flow - 21 gpm / 80 L/min
- Auxiliary Circuit - Primary - Pressure - 3843 psi / 265 bar
- Auxiliary Circuit - Secondary - Flow - 7 gpm / 28 L/min
- Auxiliary Circuit - Secondary - Pressure - 3843 psi / 265 bar
- Digging Force - Stick - Standard - 6362 lbf / 28.3 kN
- Digging Force - Stick - Long - 5665 lbf / 25.2 kN
- Digging Force - Bucket - 11061 lbf / 49.2 kN
- Note - Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
- Type - Load Sensing Hydraulics with Variable Displacement Piston Pump
- Machine Swing Speed - 9 r/min / 9 r/min
- Boom Swing - Left - 72 Degrees
- Boom Swing - Right - 50 Degrees
- Straight Blade Width - 78 in / 1980 mm
- Straight Blade Height - 15.4 in / 390 mm
- Angle Blade Width - 78 in / 1980 mm
- Angle Blade Height - 15.7 in / 400 mm
- Angle Blade - Left - 25 degrees
- Angle Blade - Right - 25 degrees
- Roll Over Protective Structure (ROPS) - ISO 12117-2:2008
- Top Guard - ISO 10262:1998 Level I
- Dig Depth - 134.6 in / 3420 mm
- Vertical Wall - 91.9 in / 2335 mm
- Maximum Reach - Ground Level - 220.1 in / 5590 mm
- Maximum Reach - 226.6 in / 5755 mm
- Maximum Dig Height - 205.3 in / 5215 mm
- Maximum Dump Clearance - 145.7 in / 3700 mm
- Boom In Reach - 101.2 in / 2570 mm
- Tail Swing without Counterweight - 43.1 in / 1095 mm
- Tail Swing with Counterweight - 47.2 in / 1200 mm
- Maximum Blade Height - 15.2 in / 385 mm
- Maximum Blade Depth - 23.4 in / 595 mm
- Boom Height - Shipping Position - 71.7 in / 1820 mm
- O/A Shipping Height - 100.4 in / 2550 mm
- Swing Bearing - Height - 24.4 in / 619 mm
- O/A Undercarriage Length - 101.6 in / 2580 mm
- Overall Shipping Length* - 208.9 in / 5305 mm
- Boom Swing - Right - 34.1 ° / 865 mm
- Boom Swing - Left - 24.2 ° / 615 mm
- Track Belt/Shoe Width - 15.7 in / 400 mm
- Track Width - 78 in / 1980 mm
- Ground Clearance - 13.2 in / 335 mm
- Stick Length - 53.2 in / 1351 mm
- Note - *Overall Shipping Length depends on blade position during shipment.
- Dig Depth - 144.5 in / 3670 mm
- Vertical Wall - 100.8 in / 2560 mm
- Maximum Reach - Ground Level - 229.7 in / 5835 mm
- Maximum Reach - 235.8 in / 5990 mm
- Maximum Dig Height - 210.8 in / 5355 mm
- Maximum Dump Clearance - 151.4 in / 3845 mm
- Boom In Reach - 101.6 in / 2580 mm
- Tail Swing without Counterweight - 43.1 in / 1095 mm
- Tail Swing with Counterweight - 47.2 in / 1200 mm
- Maximum Blade Height - 15.2 in / 385 mm
- Maximum Blade Depth - 23.4 in / 595 mm
- Boom Height - Shipping Position - 74.6 in / 1895 mm
- O/A Shipping Height - 100.4 in / 2550 mm
- Swing Bearing - Height - 24.4 in / 619 mm
- O/A Undercarriage Length - 101.6 in / 2580 mm
- Overall Shipping Length* - 210.2 in / 5340 mm
- Boom Swing - Right - 34.1 ° / 865 mm
- Boom Swing - Left - 615 mm / 24.2 °
- Track Belt/Shoe Width - 15.7 in / 400 mm
- Track Width - 78 in / 1980 mm
- Ground Clearance - 13.2 in / 335 mm
- Stick Length - 63 in / 1601 mm
- Note - *Overall Shipping Length depends on blade position during shipment.
- 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 (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
- Operator Sound Pressure (ISO 6396:2008) - 76 dB(A) / 76 dB(A)
- Average Exterior Sound Pressure (ISO 6395:2008) - 97 dB(A) / 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 and conditions specified in 2000/14/EC.
- Recyclability - 96%
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)
Optional Equipment
- undercarriage
- Steel Track (400 mm/15.7 in)
- Steel Track with Rubber Pads
- Angle Blade
- boom, stick and linkages
- Long Stick (1601 mm/63.0 in)
- Front Shovel Capable – Dual Lock Manual Coupler
- Front Shovel Capable – Hydraulic Coupler
- Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Bucket Divert Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Hydraulic Quick Coupler Lines
- electrical
- Product Link™ PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
- other
- Bio Oil Capable
- Water Jacket Heater
- Counterweight (242 kg/534 lb)
- operator environment
- Cab with Air Conditioning
- Cab with Heater
- No Travel Pedals and Hand Levers (optional in some regions)
- Machine Security – Push to Start with Key Fob/Pass Code
- Mirrors, Left, Right and Rear
- Camera
- Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
- Next Generation Advanced Monitor
– Touch Screen
– Site Reference System
– High Definition Camera Capable (IP68 and IP69K)
– Numeric Security Code - Seat Belt Reminder System
- Cat Grade with Advanced 2D
- Cat Grade with 3D
- guarding
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
Width
39.4 in / 1000 mm
Capacity
6 ft³ / 169.89 l
Weight
258.6 lb / 117.3 kg
Width
47.2 in / 1200 mm
Capacity
9.2 ft³ / 259.89 l
Weight
410.5 lb / 186.19 kg
Width
51.2 in / 1300 mm
Capacity
7.8 ft³ / 220.3 l
Weight
260.6 lb / 118.19 kg
Width
59.1 in / 1500 mm
Capacity
11.6 ft³ / 329.89 l
Weight
491.4 lb / 222.89 kg
Width
63 in / 1600 mm
Capacity
9.9 ft³ / 279.79 l
Weight
306.7 lb / 139.1 kg
Width
12 in / 305 mm
Capacity
2.1 ft³ / 59.5 l
Weight
156.5 lb / 71 kg
Width
12 in / 305 mm
Capacity
2.9 ft³ / 82.09 l
Weight
185.2 lb / 84 kg
Width
16 in / 406 mm
Capacity
3.7 ft³ / 104.8 l
Weight
205 lb / 93 kg
Width
16 in / 406 mm
Capacity
2.7 ft³ / 76.5 l
Weight
174.2 lb / 79 kg
Width
18 in / 457 mm
Capacity
4.4 ft³ / 124.59 l
Weight
227.1 lb / 103 kg
Width
18 in / 457 mm
Capacity
3.1 ft³ / 87.8 l
Weight
194 lb / 88 kg
Weight
169.8 lb / 77 kg
Width
10.7 in / 272 mm
Length
20.8 in / 528 mm
Width
20 in / 508 mm
Capacity
3.6 ft³ / 101.9 l
Weight
207.2 lb / 94 kg
Width
20 in / 508 mm
Capacity
5.1 ft³ / 144.39 l
Weight
240.3 lb / 109 kg
Width
24.4 in / 619 mm
Capacity
4.6 ft³ / 130.3 l
Weight
233.7 lb / 106 kg
Width
24.4 in / 619 mm
Capacity
6.4 ft³ / 181.19 l
Weight
271.2 lb / 123 kg
Shank Length
26.6 in / 676 mm
Weight
134 lb / 60.79 kg
Overall Length
32.4 in / 822 mm
Width
30 in / 762 mm
Capacity
6.1 ft³ / 172.69 l
Weight
280 lb / 127 kg
Width
30 in / 762 mm
Capacity
8.5 ft³ / 240.69 l
Weight
321.9 lb / 146 kg
Width
36 in / 914 mm
Capacity
7.8 ft³ / 220.89 l
Weight
321.9 lb / 146 kg
Width
36 in / 914 mm
Capacity
10.6 ft³ / 300.2 l
Weight
368.2 lb / 167 kg
Drive Shaft Torque at Maximum Pressure
3038.8 lb/ft / 4120 N·m
Drive Method
Gerotor Motor - Single Planetary Reduction
Mounting Bracket Design
5 Ton Mini Excavator Pin On
Drive Shaft Torque at Maximum Pressure
5034.6 lb/ft / 6826 N·m
Drive Method
Gerotor Motor - Double Planetary Reduction
Mounting Bracket Design
5 Ton Mini Excavator Pin On
Working Width
39.4 in / 1000 mm
Required Hydraulics
Standard Flow
Overall Width
46.6 in / 1184 mm
