308 CR (Fixed Boom)
308 CR (Fixed Boom)
An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
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Air ConditioningThe 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).
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Width - Standard90.6 in 2300 mm
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Width - Wide96.5 in 2450 mm
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Height17 in 431 mm
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Roll Over Protective Structure (ROPS)ISO 12117-2:2008
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Top GuardISO 10262:1998 (Level I)
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Dig Depth185 in 4687 mm
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Vertical Wall162 in 4110 mm
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Maximum Reach - Ground Level266 in 6766 mm
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Maximum Reach272 in 6900 mm
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Maximum Dig Height307 in 7809 mm
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Maximum Dump Clearance223 in 5672 mm
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Boom In Reach89 in 2250 mm
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Tail Swing with Counterweight56 in 1425 mm
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Tail Swing without Counterweight51 in 1290 mm
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Maximum Blade Height14.6 in 370 mm
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Maximum Blade Depth16 in 407 mm
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Height - Boom Transport - No Tools*100 in 2540 mm
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Height - Boom Working - With Tools**121 in 3080 mm
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Cab Height100 in 2541 mm
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Swing Bearing - Height30 in 756 mm
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O/A Undercarriage Length113 in 2880 mm
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Overall Shipping Length - with Counterweight5800 mm (228 in)***
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Overall Shipping Length - without Counterweight5665 mm (223 in)***
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Track Belt/Shoe Width18 in 450 mm
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O/A Track Width91 in 2300 mm
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Ground Clearance14 in 350 mm
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Stick Length87 in 2208 mm
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Note*Boom Height when stick is pinned in transport position with no attachments.
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Note (1)**Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
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Note (2)***With blade positioned at the rear of the machine.
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Dig Depth163 in 4145 mm
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Vertical Wall142 in 3600 mm
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Maximum Reach - Ground Level246 in 6246 mm
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Maximum Reach252 in 6391 mm
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Maximum Dig Height291 in 7392 mm
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Maximum Dump Clearance207 in 5255 mm
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Boom In Reach66 in 1681 mm
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Tail Swing with Counterweight56 in 1425 mm
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Tail Swing without Counterweight51 in 1290 mm
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Maximum Blade Height14.6 in 370 mm
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Maximum Blade Depth16 in 407 mm
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Height - Boom Transport - No Tools*97 in 2466 mm
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Height - Boom Working - With Tools**105 in 2671 mm
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Cab Height100 in 2541 mm
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Swing Bearing - Height30 in 756 mm
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O/A Undercarriage Length113 in 2880 mm
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Overall Shipping Length - with Counterweight228 in 5780 mm
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Overall Shipping Length - without Counterweight222 in 5645 mm
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Track Belt/Shoe Width18 in 450 mm
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O/A Track Width91 in 2300 mm
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Ground Clearance14 in 350 mm
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Stick Length66 in 1665 mm
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Note*Boom Height when stick is pinned in transport position with no attachments.
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Note (1)**Boom Height when stick is pinned in working position with attachments Standard Stick offers only one pin position.
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Note (2)***With blade positioned at the rear of the machine.
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Net Power69 hp 51.2 kW
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Engine ModelCat® C2.8 Turbo
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Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC69 hp 51.2 kW
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Gross Power - ISO 1439674.3 hp 55.4 kW
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Bore3.5 in 90 mm
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Stroke4.3 in 110 mm
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Displacement171 in³ 2.8 l
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NoteMeets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
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Note (1)Advertised power is tested per the specified standard in effect at the time of manufacture.
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Note (2)Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
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TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
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Pump Flow at 2,400 rpm44 gpm 167 L/min
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Operating Pressure - Equipment4134 psi 285 bar
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Operating Pressure - Travel4134 psi 285 bar
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Operating Pressure - Swing3626 psi 250 bar
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Maximum Auxiliary Circuit - Primary - Flow at Pump35 gpm 131 L/min
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Maximum Auxiliary Circuit - Primary - Pressure at Pump4134 psi 285 bar
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Maximum Auxiliary Circuit - Secondary - Flow at Pump9 gpm 33 L/min
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Maximum Auxiliary Circuit - Secondary - Pressure at Pump4134 psi 285 bar
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Digging Force - Stick - Standard9285 lb 41.3 kN
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Digging Force - Stick - Long8250 lb 36.7 kN
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Digging Force - Bucket13241 lb 58.9 kN
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NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
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Cooling System2.6 gal (US) 10 l
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Engine Oil2.3 gal (US) 8.8 l
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Fuel Tank38 gal (US) 145 l
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Hydraulic Tank14 gal (US) 53 l
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Hydraulic System29 gal (US) 110 l
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Operator Sound Pressure (ISO 6396:2008)72 dB(A) 72 dB(A)
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Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) 99 dB(A)
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NoteEuropean Union Directive "2000/14/EC"
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Recyclability96%
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Machine Swing Speed10 r/min 10 r/min
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Travel Speed - High3 mile/h 4.9 km/h
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Travel Speed - Low1.8 mile/h 3 km/h
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Maximum Traction Force - High Speed6587 lb 29.3 kN
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Maximum Traction Force - Low Speed15962 lb 71 kN
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Ground Pressure - Minimum Weight4.8 psi 33.2 kPa
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Ground Pressure - Maximum Weight5.4 psi 37.9 kPa
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Gradeability - Maximum30 degrees
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Counterweight551 lb 250 kg
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Long Stick187 lb 85 kg
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Steel Tracks with Pads662 lb 300 kg
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Operating Weight18659 lb 8462 kg
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Minimum Operating Weight with Cab*16707 lb 7577 kg
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Maximum Operating Weight with Cab**18659 lb 8462 kg
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Note (1)*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
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Note (2)**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
ALL DAY COMFORT
- A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.
EASY TO OPERATE
- Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.
STICK STEER TRAVEL MODE
- Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!
BIG PERFORMANCE IN A MINI DESIGN
- Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently, and blade float allows for easy clean up.
SAFETY ON THE JOB SITE
- Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. A back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we’ve built into the machine.
SIMPLE SERVICE FOR LESS DOWNTIME
- Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level with grouped service points and robust service panels.
LOWER OPERATING COSTS
- Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.
UNMATCHED DEALER SUPPORT
- Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.
SUSTAINABILITY
- The Cat® C3.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
- Cat 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 (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
- Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
- Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
- Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
- The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
- Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
- Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
- Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
- Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).
The Toromont Cat advantage
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