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 308 CR Mini Hydraulic Excavator |
 M318 Wheeled Excavator |
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Engine |
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| Net Power | 69.5 HP | - | - |
| Engine Model | Cat C3.3B | C4.4 | - |
| Stroke | 4.7 in | 5 in | - |
| Bore | 3.7 in | 4 in | - |
| Gross Power - SAE J1995 | 74.3 HP | - | - |
| Displacement | 203 in³ | 285.5 in³ | - |
| Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 69.5 HP | - | - |
| 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 | - |
| Emissions | - | Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. | - |
| 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 | 20077 lb | - | - |
| Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. | - | - |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. | - | - |
| Maximum Operating Weight with Cab** | 20077 lb | - | - |
| Minimum Operating Weight with Cab* | 18610 lb | - | - |
Dimensions - Long Stick |
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| Dig Depth | 182.8 in | - | - |
| Boom Swing - Left | 23.8 in | - | - |
| Maximum Dig Height | 277.1 in | - | - |
| Maximum Blade Height | 14.6 in | - | - |
| Track Belt/Shoe Width | 17.7 in | - | - |
| Cab Height | 100 in | - | - |
| Tail Swing with Counterweight | 62.4 in | - | - |
| O/A Undercarriage Length | 113.4 in | - | - |
| Maximum Dump Clearance | 199.7 in | - | - |
| Boom Swing - Right | 36.8 in | - | - |
| Maximum Blade Depth | 16 in | - | - |
| Ground Clearance | 13.8 in | - | - |
| Stick Length | 92.8 in | - | - |
| Maximum Reach | 300.7 in | - | - |
| Maximum Reach - Ground Level | 293.7 in | - | - |
| Boom In Reach | 126.6 in | - | - |
| Swing Bearing - Height | 29.7 in | - | - |
| O/A Track Width | 90.6 in | - | - |
| Tail Swing without Counterweight | 57.1 in | - | - |
| Vertical Wall | 134 in | - | - |
| Note | *Boom Height when stick is pinned in transport position with no attachments. | - | - |
| Note (2) | ***With blade positioned at the rear of the machine. | - | - |
| Note (1) | **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. | - | - |
| Height - Boom Transport - No Tools* | 89 in | - | - |
| Height - Boom Working - With Tools** | 120.1 in | - | - |
| Overall Shipping Length - without Counterweight | 6872 mm (270.6 in)*** | - | - |
| Overall Shipping Length - with Counterweight | 6872 mm (270.6 in)*** | - | - |
Blade |
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| Height | 17 in | - | - |
| Width - Standard | 90.6 in | - | - |
| Width - Wide | 96.5 in | - | - |
Service Refill Capacities |
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| Fuel Tank | 39 gal (US) | 92.5 gal (US) | - |
| Hydraulic System | 29 gal (US) | - | - |
| Hydraulic Tank | 14 gal (US) | 31.7 gal (US) | - |
| Cooling System | 2.6 gal (US) | 8.5 gal (US) | - |
| Engine Oil | 3 gal (US) | - | - |
| Diesel Exhaust Fluid (DEF) | - | 5.3 gal (US) | - |
| Hydraulic System - Including Tank | - | 68.7 gal (US) | - |
| Final Drive | - | 0.7 gal (US) | - |
Hydraulic System |
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| Digging Force - Bucket | 13946 lb | - | - |
| Operating Pressure - Travel | 4134 psi | - | - |
| Operating Pressure - Swing | 3626 psi | - | - |
| Operating Pressure - Equipment | 4134 psi | - | - |
| Digging Force - Stick - Long | 8032 lb | - | - |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | - | - |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | - | - |
| Pump Flow at 2,400 rpm | 44 gal/min | - | - |
| Digging Force - Stick - Standard | 9509 lb | - | - |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi | - | - |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi | - | - |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gal/min | - | - |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gal/min | - | - |
| 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 | - |
Swing System |
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| Machine Swing Speed | 10.6 r/min | - | - |
| Boom Swing - Right | 50 degrees | - | - |
| Boom Swing - Left | 60 degrees | - | - |
Certification - Cab |
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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 | - | - |
Sound |
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| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | - | - |
| Note | European Union Directive "2000/14/EC" | - | - |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) | - | - |
Dimensions - Standard Stick |
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| Cab Height | 100 in | - | - |
| Vertical Wall | 117.8 in | - | - |
| Boom In Reach | 120.4 in | - | - |
| Tail Swing with Counterweight | 62.4 in | - | - |
| Boom Swing - Right | 36.8 in | - | - |
| Track Belt/Shoe Width | 17.7 in | - | - |
| Maximum Reach | 281.1 in | - | - |
| Stick Length | 71.7 in | - | - |
| Maximum Blade Height | 14.6 in | - | - |
| Boom Swing - Left | 23.8 in | - | - |
| Maximum Blade Depth | 16 in | - | - |
| O/A Track Width | 90.6 in | - | - |
| Maximum Dig Height | 265.2 in | - | - |
| Maximum Dump Clearance | 187.4 in | - | - |
| Maximum Reach - Ground Level | 273.6 in | - | - |
| Tail Swing without Counterweight | 57.1 in | - | - |
| O/A Undercarriage Length | 113.4 in | - | - |
| Swing Bearing - Height | 29.7 in | - | - |
| Ground Clearance | 13.8 in | - | - |
| Dig Depth | 161.7 in | - | - |
| Note | *Boom Height when stick is pinned in transport position with no attachments. | - | - |
| Overall Shipping Length - with Counterweight | 264 in | - | - |
| Note (1) | **Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. | - | - |
| Overall Shipping Length - without Counterweight | 258.8 in | - | - |
| Note (2) | ***With blade positioned at the rear of the machine. | - | - |
| Height - Boom Working - With Tools** | 104.7 in | - | - |
| Height - Boom Transport - No Tools* | 95.7 in | - | - |
Sustainability |
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| Recyclability | 96% | 92% | - |
Air Conditioning System |
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| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. | - | - |
| 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. | - |
Weight Increase from Minimum Configuration |
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| Steel Tracks with Pads | 752 lb | - | - |
| Counterweight | 552 lb | - | - |
| Long Stick | 146 lb | - | - |
Travel System |
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| Maximum Traction Force - High Speed | 6250 lb | - | - |
| Ground Pressure - Maximum Weight | 5.8 psi | - | - |
| Ground Pressure - Minimum Weight | 5.4 psi | - | - |
| Travel Speed - High | 3.2 mile/h | - | - |
| Travel Speed - Low | 1.9 mile/h | - | - |
| Maximum Traction Force - Low Speed | 15175 lb | - | - |
| Gradeability - Maximum | 30 degrees | - | - |
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) | - |
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