Compare Equipment Go Back
 307.5 Mini Hydraulic Excavator |
 M322 |
 M318 Wheeled Excavator |
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Engine |
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| Net Power | 54.8 HP | - | - |
| Engine Model | Cat C2.4 Turbo | C 7.1 | C4.4 |
| Displacement | 148 in³ | 427.8 in² | 285.5 in³ |
| Gross Power - SAE J1995 | 57.9 HP | - | - |
| Bore | 3.4 in | 4.1 in | 4 in |
| Stroke | 4 in | 5.3 in | 5 in |
| Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 54.8 HP | - | - |
| Engine Power - ISO 14396 | - | 174 HP | 174 HP |
| Engine Power - ISO 14396 (DIN) | - | 176 hp (metric) | 176 hp (metric) |
| Net Power - ISO 9249 | - | 171 HP | 171 HP |
| Net Power - ISO 9249 (DIN) | - | 174 hp (metric) | 174 hp (metric) |
| Biodiesel Capability | - | Up to B20¹ | Up to B20¹ |
| Emissions | - | Meets U.S. EPA Tier 4 Final, EU Stage V, Japan 2014 emission standards. | 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 | 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 | 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 | 17905 lb | - | - |
| 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** | 17905 lb | - | - |
| Minimum Operating Weight with Cab* | 16549 lb | - | - |
| Note (1) | *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. | - | - |
Dimensions - Long Stick |
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| Dig Depth | 182.8 in | - | - |
| Cab Height | 100 in | - | - |
| Maximum Blade Height | 14.6 in | - | - |
| Track Belt/Shoe Width | 17.7 in | - | - |
| Maximum Dump Clearance | 225.1 in | - | - |
| O/A Undercarriage Length | 108.7 in | - | - |
| O/A Track Width | 86.6 in | - | - |
| Vertical Wall | 161.9 in | - | - |
| Width over Upper House | 88.6 in | - | - |
| Boom In Reach | 88.6 in | - | - |
| Stick Length | 86.9 in | - | - |
| Tail Swing with Counterweight | 76 in | - | - |
| Maximum Reach | 267.9 in | - | - |
| Ground Clearance | 14.6 in | - | - |
| Swing Bearing - Height | 29.7 in | - | - |
| Tail Swing without Counterweight | 70.9 in | - | - |
| Maximum Dig Height | 305.7 in | - | - |
| Maximum Blade Depth | 16 in | - | - |
| Maximum Reach - Ground Level | 262.6 in | - | - |
| Height - Boom Transport - No Tools | 100.4 in | - | - |
| Overall Shipping Length - without Counterweight | 240.9 in | - | - |
| Overall Shipping Length - with Counterweight | 246.1 in | - | - |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. | - | - |
| Height - Boom Working - With Tools | 124 in | - | - |
| Note (2) | Boom Height when stick is pinned in working position with attachments. | - | - |
Blade |
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| Height | 17 in | - | - |
| Width | 90 in | - | - |
Weight Increase from Minimum Configuration |
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| Long Stick | 181 lb | - | - |
| Counterweight | 552 lb | - | - |
| Steel Tracks with Pads | 628 lb | - | - |
Travel System |
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| Maximum Traction Force - Low Speed | 14035 lb | - | - |
| Maximum Traction Force - High Speed | 5856 lb | - | - |
| Travel Speed - High | 3.1 mile/h | - | - |
| Ground Pressure - Maximum Weight | 5.5 psi | - | - |
| Travel Speed - Low | 1.9 mile/h | - | - |
| Gradeability - Maximum | 30 degrees | - | - |
| Ground Pressure - Minimum Weight | 5.1 psi | - | - |
Service Refill Capacities |
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| Cooling System | 2.6 gal (US) | 10.6 gal (US) | 8.5 gal (US) |
| Hydraulic System | 29 gal (US) | - | - |
| Hydraulic Tank | 14 gal (US) | 52.8 gal (US) | 31.7 gal (US) |
| Fuel Tank | 38 gal (US) | 124.2 gal (US) | 92.5 gal (US) |
| Engine Oil | 2.5 gal (US) | 3.4 gal (US) | - |
| Diesel Exhaust Fluid (DEF) | - | 7.9 gal (US) | 5.3 gal (US) |
| Hydraulic System - Including Tank | - | 71.3 gal (US) | 68.7 gal (US) |
| Final Drive | - | - | 0.7 gal (US) |
Hydraulic System |
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| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | - | - |
| Operating Pressure - Swing | 3626 psi | - | - |
| 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 | 8504 lb | - | - |
| Operating Pressure - Travel | 4134 psi | - | - |
| Operating Pressure - Equipment | 4134 psi | - | - |
| Digging Force - Stick - Long | 7579 lb | - | - |
| Digging Force - Bucket | 12272 lb | - | - |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gal/min | - | - |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi | - | - |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gal/min | - | - |
| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi | - | - |
| Main System - Maximum Flow - Implement | - | 95 gal/min | 67 gal/min |
| Maximum Pressure - Implement Circuit - Heavy Lift | - | 5366 psi | - |
| Maximum Pressure - Implement Circuit - Travel Circuit | - | 5076 psi | - |
| Maximum Pressure - Implement Circuit - Normal | - | 5076 psi | - |
| 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 r/min | - | - |
Certification - Cab |
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| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 | - | - |
| Top Guard | ISO 10262:1998 (Level I) | - | - |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 | - | - |
Sound |
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| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | - | - |
| Average Exterior Sound Pressure (ISO 6395:2008) | 98 dB(A) | - | - |
| Note | European Union Directive “2000/14/EC” | - | - |
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 .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. | - | - |
| Note | - | 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 1.43 metric tonnes. | 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. |
Dimensions - Standard Stick |
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| Tail Swing with Counterweight | 76 in | - | - |
| Vertical Wall | 141.6 in | - | - |
| Tail Swing without Counterweight | 70.9 in | - | - |
| Stick Length | 65.6 in | - | - |
| Boom In Reach | 66.2 in | - | - |
| Track Belt/Shoe Width | 17.7 in | - | - |
| Ground Clearance | 14.6 in | - | - |
| O/A Track Width | 86.6 in | - | - |
| Maximum Reach - Ground Level | 242.1 in | - | - |
| O/A Undercarriage Length | 108.7 in | - | - |
| Width over Upper House | 88.6 in | - | - |
| Maximum Reach | 247.9 in | - | - |
| Swing Bearing - Height | 29.7 in | - | - |
| Maximum Blade Height | 14.6 in | - | - |
| Maximum Blade Depth | 16 in | - | - |
| Dig Depth | 161.4 in | - | - |
| Maximum Dump Clearance | 208.6 in | - | - |
| Cab Height | 100 in | - | - |
| Maximum Dig Height | 289.3 in | - | - |
| Height - Boom Working - With Tools | 107.5 in | - | - |
| Overall Shipping Length - with Counterweight | 245.3 in | - | - |
| Note (2) | Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position. | - | - |
| Overall Shipping Length - without Counterweight | 240.2 in | - | - |
| Height - Boom Transport - No Tools | 101.2 in | - | - |
| Note (1) | Boom Height when stick is pinned in transport position with no attachments. | - | - |
Sustainability |
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| Recyclability | 96% | - | 92% |
Machine Weight |
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| Operating Weight Maximum | - | 52911 lb | 43980 lb |
| Operating Weight Minimum | - | 44750 lb | 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. |
Transmission |
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| Forward/Reverse - 2nd Gear | - | 18.6 mile/h | - |
| Forward/Reverse - 1st Gear | - | 5.6 mile/h | - |
| Creeper Speed - 1st Gear | - | 3.4 mile/h | - |
| Creeper Speed - 2nd Gear | - | 9.3 mile/h | - |
| Drawbar Pull | - | 28551 lbf | - |
| Maximum Gradeability | - | 70% | - |
Swing Mechanism |
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| Swing Torque | - | 44250 lb/ft | - |
| Maximum Swing Speed | - | - | 32560 ft·lbf |
| Swing Speed | - | - | 9.4 r/min |
Dimensions |
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| Boom | - | VA 5.4m (17'10") | 5205 mm (17'1") |
| Stick | - | 2.9m (9'2") | 2.5 m (8' 2") |
| Shipping Height with Falling Object Guard | - | 11 ft | - |
| Support Point | - | 11.3 ft | 11.5 ft |
| Shipping Length | - | 31.1 ft | 27.8 ft |
| Tail Swing Radius | - | 9.2 ft | 7.7 ft |
| Counterweight Clearance | - | 4.3 ft | 4.3 ft |
| Ground Clearance | - | 1.25 ft | 1.1 ft |
| Wheel Base | - | 9 ft | 8.9 ft |
| Bucket | - | - | 0.91 m³ GD (1.19 yd³) |
| Shipping Height - Top of Cab | - | - | 11 ft |
Working Ranges and Forces |
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| Boom Type | - | VA 5.4m (17'10") | VA Boom |
| Stick | - | 2.9m (9'2") | 2.5 m (8' 2") |
| Bucket | - | GD 1.2 m³ (1.7 yd³) | 0.91 m³ GD (1.19 yd³) |
| Maximum Loading Height | - | 24.7 ft | - |
| Maximum Digging Depth | - | 21.8 ft | - |
| Reach at Ground Level | - | 33.4 ft | 30.2 ft |
| Vertical Wall Digging Depth | - | 17.3 ft | 15.1 ft |
| Bucket Forces (ISO) | - | 33946 lbf | 26752 lbf |
| Stick Forces (ISO) | - | 23605 lbf | 16861 lbf |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | - | 21.6 ft | - |
| Digging Height | - | - | 19.3 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 |
| Cutting Height | - | - | 33.7 ft |
working Ranges and Forces |
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| Cutting Height | - | 35.8 ft | - |
Drive |
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| Maximum Travel Speed | - | - | 21.7 mile/h |
Service Refill |
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| Engine Oil | - | - | 2.9 gal (US) |
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