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 305 CR Mini Hydraulic Excavator |
 M318 Wheeled Excavator |
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Engine |
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| Net Power | 45 HP | - | - |
| Engine Model | C1.7 Turbo | C4.4 | - |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 45 HP | - | - |
| 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 | - | - |
| Stroke | 3.9 in | 5 in | - |
| Bore | 3.3 in | 4 in | - |
| Displacement | 101 in³ | 285.5 in³ | - |
| Emissions | The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards. | Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. | - |
| Engine Power - ISO 14396 | - | 174 HP | - |
| Engine Power - ISO 14396 (DIN) | - | 176 hp (metric) | - |
| Net Power - ISO 9249 | - | 171 HP | - |
| Net Power - ISO 9249 (DIN) | - | 174 hp (metric) | - |
| Biodiesel Capability | - | Up to B20¹ | - |
| Note (1) | - | Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar | - |
| Note (2) | - | ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO | - |
Weights |
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| Operating Weight | 12688 lb | - | - |
| Minimum Operating Weight with Canopy* | 11016 lb | - | - |
| 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 | - | - |
| Maximum Operating Weight with Cab** | 12688 lb | - | - |
| Maximum Operating Weight with Canopy** | 12469 lb | - | - |
| 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 | - | - |
| Stick Length | 63 in | - | - |
| Track Width | 78 in | - | - |
| Maximum Blade Depth | 23.4 in | - | - |
| Maximum Dump Clearance | 151.4 in | - | - |
| Boom Swing - Left | 615 mm | - | - |
| Boom Swing - Right | 34.1 ° | - | - |
| Swing Bearing - Height | 24.4 in | - | - |
| Boom Height - Shipping Position | 74.6 in | - | - |
| Boom In Reach | 101.6 in | - | - |
| Maximum Reach | 235.8 in | - | - |
| Track Belt/Shoe Width | 15.7 in | - | - |
| Maximum Reach - Ground Level | 229.7 in | - | - |
| Maximum Blade Height | 15.2 in | - | - |
| O/A Shipping Height | 100.4 in | - | - |
| Tail Swing without Counterweight | 43.1 in | - | - |
| O/A Undercarriage Length | 101.6 in | - | - |
| Tail Swing with Counterweight | 47.2 in | - | - |
| Vertical Wall | 100.8 in | - | - |
| Note | *Overall Shipping Length depends on blade position during shipment. | - | - |
| Overall Shipping Length* | 210.2 in | - | - |
| Maximum Dig Height | 210.8 in | - | - |
| Ground Clearance | 13.2 in | - | - |
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 | - | - |
| Maximum Blade Height | 15.2 in | - | - |
| Dig Depth | 134.6 in | - | - |
| Boom Swing - Right | 34.1 ° | - | - |
| Maximum Reach - Ground Level | 220.1 in | - | - |
| Tail Swing without Counterweight | 43.1 in | - | - |
| Boom Height - Shipping Position | 71.7 in | - | - |
| Maximum Blade Depth | 23.4 in | - | - |
| Maximum Reach | 226.6 in | - | - |
| Boom Swing - Left | 24.2 ° | - | - |
| Overall Shipping Length* | 208.9 in | - | - |
| O/A Undercarriage Length | 101.6 in | - | - |
| Swing Bearing - Height | 24.4 in | - | - |
| Stick Length | 53.2 in | - | - |
| Track Belt/Shoe Width | 15.7 in | - | - |
| Boom In Reach | 101.2 in | - | - |
| Vertical Wall | 91.9 in | - | - |
| Tail Swing with Counterweight | 47.2 in | - | - |
| Maximum Dump Clearance | 145.7 in | - | - |
| O/A Shipping Height | 100.4 in | - | - |
| Note | *Overall Shipping Length depends on blade position during shipment. | - | - |
| Ground Clearance | 13.2 in | - | - |
Service Refill Capacities |
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| Hydraulic Tank | 16 gal (US) | 31.7 gal (US) | - |
| Fuel Tank | 17 gal (US) | 92.5 gal (US) | - |
| Engine Oil | 1.6 gal (US) | - | - |
| Hydraulic System | 20 gal (US) | - | - |
| Cooling System | 2.9 gal (US) | 8.5 gal (US) | - |
| Diesel Exhaust Fluid (DEF) | - | 5.3 gal (US) | - |
| Hydraulic System - Including Tank | - | 68.7 gal (US) | - |
| Final Drive | - | 0.7 gal (US) | - |
Travel System |
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| Ground Pressure - Minimum Weight | 4 psi | - | - |
| Maximum Traction Force - Low Speed | 11353 lbf | - | - |
| Ground Pressure - Maximum Weight | 4.7 psi | - | - |
| Travel Speed - Low | 1.7 mile/h | - | - |
| Maximum Traction Force - High Speed | 5553 lbf | - | - |
| Travel Speed - High | 3.1 mile/h | - | - |
| Gradeability - Maximum | 30 degrees | - | - |
Blade |
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| Angle Blade Width | 78 in | - | - |
| Straight Blade Height | 15.4 in | - | - |
| Straight Blade Width | 78 in | - | - |
| Angle Blade Height | 15.7 in | - | - |
| 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 a | - | - |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | - | - |
Hydraulic System |
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| Auxiliary Circuit - Secondary - Pressure | 3843 psi | - | - |
| Pump Flow at 2,400 rpm | 35 gal/min | - | - |
| Operating Pressure - Swing | 2901 psi | - | - |
| Operating Pressure - Travel | 3843 psi | - | - |
| Auxiliary Circuit - Secondary - Flow | 7 gal/min | - | - |
| Digging Force - Stick - Standard | 6362 lbf | - | - |
| Auxiliary Circuit - Primary - Pressure | 3843 psi | - | - |
| Auxiliary Circuit - Primary - Flow | 21 gal/min | - | - |
| Digging Force - Bucket | 11061 lbf | - | - |
| Operating Pressure - Equipment | 3843 psi | - | - |
| 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 | - | - |
| Main System - Maximum Flow - Implement | - | 67 gal/min | - |
| Maximum Pressure - Equipment | - | 5366 psi | - |
| Maximum Pressure - Swing | - | 5149 gal/min | - |
| Maximum Pressure - Travel | - | 5076 gal/min | - |
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 | - | - |
| Long Stick | 75 lb | - | - |
| Steel Tracks with Pads | 827 lb | - | - |
| Angle Blade | 225 lb | - | - |
Sustainability |
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| Recyclability | 96% | 92% | - |
Machine Weight |
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| Operating Weight Maximum | - | 43980 lb | - |
| Operating Weight Minimum | - | 38580 lb | - |
| Note (1) | - | Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration. | - |
| Note (2) | - | Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight. | - |
Drive |
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| Maximum Travel Speed | - | 21.7 mile/h | - |
Dimensions |
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| Boom | - | 5205 mm (17'1") | - |
| Bucket | - | 0.91 m³ GD (1.19 yd³) | - |
| Stick | - | 2.5 m (8' 2") | - |
| Shipping Height - Top of Cab | - | 11 ft | - |
| Shipping Length | - | 27.8 ft | - |
| Counterweight Clearance | - | 4.3 ft | - |
| Ground Clearance | - | 1.1 ft | - |
| Support Point | - | 11.5 ft | - |
| Tail Swing Radius | - | 7.7 ft | - |
| Wheel Base | - | 8.9 ft | - |
Working Ranges and Forces |
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| Boom Type | - | VA Boom | - |
| Bucket | - | 0.91 m³ GD (1.19 yd³) | - |
| Digging Height | - | 19.3 ft | - |
| Stick | - | 2.5 m (8' 2") | - |
| Reach at Ground Level | - | 30.2 ft | - |
| Vertical Wall Digging Depth | - | 15.1 ft | - |
| Note (1) | - | Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o | - |
| Bucket Forces (ISO) | - | 26752 lbf | - |
| Stick Forces (ISO) | - | 16861 lbf | - |
| Cutting Height | - | 33.7 ft | - |
Swing Mechanism |
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| Maximum Swing Speed | - | 32560 ft·lbf | - |
| Swing Speed | - | 9.4 r/min | - |
Service Refill |
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| Engine Oil | - | 2.9 gal (US) | - |
Air Conditioning System |
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| Note | - | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes. | - |
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