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 | |
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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 |
Note | Advertised power is tested per the specified standard in effect at the time of manufacture. |
Gross Power - 2,400 rpm - SAE J1995:2014 | 48.4 HP / 36.1 kW |
Stroke | 3.9 in / 100 mm |
Bore | 3.3 in / 84 mm |
Displacement | 101 in³ / 1.662 l |
Emissions | The Cat® C3.3B engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
Weights | |
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Operating Weight | 12688 lb / 5754 kg |
Minimum Operating Weight with Canopy* | 11016 lb / 4996 kg |
Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight. |
Minimum Operating Weight with Cab* | 11234 lb / 5095 kg |
Maximum Operating Weight with Cab** | 12688 lb / 5754 kg |
Maximum Operating Weight with Canopy** | 12469 lb / 5655 kg |
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 | |
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Dig Depth | 144.5 in / 3670 mm |
Stick Length | 63 in / 1601 mm |
Track Width | 78 in / 1980 mm |
Maximum Blade Depth | 23.4 in / 595 mm |
Maximum Dump Clearance | 151.4 in / 3845 mm |
Boom Swing - Left | 615 mm / 24.2 ° |
Boom Swing - Right | 34.1 ° / 865 mm |
Swing Bearing - Height | 24.4 in / 619 mm |
Boom Height - Shipping Position | 74.6 in / 1895 mm |
Boom In Reach | 101.6 in / 2580 mm |
Maximum Reach | 235.8 in / 5990 mm |
Track Belt/Shoe Width | 15.7 in / 400 mm |
Maximum Reach - Ground Level | 229.7 in / 5835 mm |
Maximum Blade Height | 15.2 in / 385 mm |
O/A Shipping Height | 100.4 in / 2550 mm |
Tail Swing without Counterweight | 43.1 in / 1095 mm |
O/A Undercarriage Length | 101.6 in / 2580 mm |
Tail Swing with Counterweight | 47.2 in / 1200 mm |
Vertical Wall | 100.8 in / 2560 mm |
Note | *Overall Shipping Length depends on blade position during shipment. |
Overall Shipping Length* | 210.2 in / 5340 mm |
Maximum Dig Height | 210.8 in / 5355 mm |
Ground Clearance | 13.2 in / 335 mm |
Swing System | |
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Boom Swing - Left | 72 Degrees |
Machine Swing Speed | 9 r/min |
Boom Swing - Right | 50 Degrees |
Dimensions - Standard Stick | |
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Maximum Dig Height | 205.3 in / 5215 mm |
Maximum Blade Height | 15.2 in / 385 mm |
Dig Depth | 134.6 in / 3420 mm |
Boom Swing - Right | 34.1 ° / 865 mm |
Maximum Reach - Ground Level | 220.1 in / 5590 mm |
Tail Swing without Counterweight | 43.1 in / 1095 mm |
Boom Height - Shipping Position | 71.7 in / 1820 mm |
Maximum Blade Depth | 23.4 in / 595 mm |
Maximum Reach | 226.6 in / 5755 mm |
Boom Swing - Left | 24.2 ° / 615 mm |
Overall Shipping Length* | 208.9 in / 5305 mm |
O/A Undercarriage Length | 101.6 in / 2580 mm |
Swing Bearing - Height | 24.4 in / 619 mm |
Stick Length | 53.2 in / 1351 mm |
Track Belt/Shoe Width | 15.7 in / 400 mm |
Boom In Reach | 101.2 in / 2570 mm |
Vertical Wall | 91.9 in / 2335 mm |
Tail Swing with Counterweight | 47.2 in / 1200 mm |
Maximum Dump Clearance | 145.7 in / 3700 mm |
O/A Shipping Height | 100.4 in / 2550 mm |
Note | *Overall Shipping Length depends on blade position during shipment. |
Ground Clearance | 13.2 in / 335 mm |
Service Refill Capacities | |
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Hydraulic Tank | 16 gal (US) / 60 l |
Fuel Tank | 17 gal (US) / 63 l |
Engine Oil | 1.6 gal (US) / 6 l |
Hydraulic System | 20 gal (US) / 75 l |
Cooling System | 2.9 gal (US) / 11 l |
Travel System | |
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Ground Pressure - Minimum Weight | 4 psi / 27.3 kPa |
Maximum Traction Force - Low Speed | 11353 lbf / 50.5 kN |
Ground Pressure - Maximum Weight | 4.7 psi / 32.2 kPa |
Travel Speed - Low | 1.7 mile/h / 2.8 km/h |
Maximum Traction Force - High Speed | 5553 lbf / 24.7 kN |
Travel Speed - High | 3.1 mile/h / 5 km/h |
Gradeability - Maximum | 30 degrees |
Blade | |
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Angle Blade Width | 78 in / 1980 mm |
Straight Blade Height | 15.4 in / 390 mm |
Straight Blade Width | 78 in / 1980 mm |
Angle Blade Height | 15.7 in / 400 mm |
Angle Blade - Left | 25 degrees |
Angle Blade - Right | 25 degrees |
Sound | |
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Average Exterior Sound Pressure (ISO 6395:2008) | 99 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. |
Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) |
Hydraulic System | |
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Auxiliary Circuit - Secondary - Pressure | 3843 psi / 265 bar |
Pump Flow at 2,400 rpm | 35 gal/min / 133 l/min |
Operating Pressure - Swing | 2901 psi / 200 bar |
Operating Pressure - Travel | 3843 psi / 265 bar |
Auxiliary Circuit - Secondary - Flow | 7 gal/min / 28 l/min |
Digging Force - Stick - Standard | 6362 lbf / 28.3 kN |
Auxiliary Circuit - Primary - Pressure | 3843 psi / 265 bar |
Auxiliary Circuit - Primary - Flow | 21 gal/min / 80 l/min |
Digging Force - Bucket | 11061 lbf / 49.2 kN |
Operating Pressure - Equipment | 3843 psi / 265 bar |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Digging Force - Stick - Long | 5665 lbf / 25.2 kN |
Certification - Cab and Canopy | |
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Top Guard | ISO 10262:1998 Level I |
Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Weight Increase from Minimum Configuration | |
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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 |
Sustainability | |
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Recyclability | 96% |
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