308 CR VAB
308 CR VAB
An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.
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Specifications
Air Conditioning System
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Air ConditioningThe 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.
Blade
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Height17 in 431 mm
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Width - Wide96.5 in 2450 mm
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Width - Standard90.6 in 2300 mm
Certification - Cab and Canopy
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Roll Over Protective Structure (ROPS)ISO 12117-2:2008
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Tip Over Protective Structure (TOPS)ISO 12117:1997
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Top GuardISO 10262:1998 (Level II)
Dimensions - VAB In
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Dig Depth150.2 in 3815 mm
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Tail Swing with Counterweight62.4 in 1585 mm
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Maximum Blade Height14.6 in 370 mm
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Track Belt/Shoe Width17.7 in 450 mm
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Maximum Dump Clearance135.8 in 3450 mm
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Vertical Wall99.2 in 2520 mm
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Boom in Reach122.8 in 3120 mm
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Ground Clearance13.8 in 350 mm
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Swing Bearing Height29.8 in 756 mm
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Boom Swing Right37 in 935 mm
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Overall Track Width90.6 in 2300 mm
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Overall Shipping Length253.9 in 6450 mm
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Transport Height97.4 in 2475 mm
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Cab Height100 in 2541 mm
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Overall Undercarriage Length113.4 in 2880 mm
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Maximum Reach256.5 in 6515 mm
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Tail Swing without Counterweight57.1 in 1450 mm
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Maximum Reach at Ground Level248 in 6300 mm
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Stick Length71.7 in 1820 mm
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Maximum Blade Depth16 in 407 mm
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Boom Swing Left24 in 605 mm
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Maximum Dig Height205.5 in 5220 mm
Dimensions - VAB Out
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Dig Depth136.2 in 3460 mm
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Overall Shipping Length253.9 in 6450 mm
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Stick Length71.7 in 1820 mm
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Track Belt/Shoe Width17.7 in 450 mm
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Swing Bearing Height29.8 in 756 mm
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Maximum Blade Depth16 in 407 mm
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Maximum Reach at Ground Level303.7 in 7715 mm
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Transport Height97.4 in 2475 mm
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Boom in Reach106.7 in 2710 mm
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Overall Undercarriage Length113.4 in 2880 mm
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Maximum Reach310.4 in 7885 mm
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Maximum Dump Clearance247.4 in 6285 mm
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Ground Clearance13.8 in 350 mm
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Vertical Wall146.7 in 3725 mm
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Tail Swing with Counterweight62.4 in 1585 mm
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Tail Swing without Counterweight57.1 in 1450 mm
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Boom Swing Left24 in 605 mm
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Maximum Blade Height14.6 in 370 mm
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Cab Height100 in 2541 mm
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Maximum Dig Height322 in 8180 mm
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Boom Swing Right37 in 935 mm
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Overall Track Width90.6 in 2300 mm
Engine
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Net Power69.5 hp 51.8 kW
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Displacement203 in³ 3.33 l
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NoteNet power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
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Bore3.7 in 94 mm
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Gross Power - SAE J1995:201474.3 hp 55.4 kW
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Stroke4.7 in 120 mm
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Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC69.5 hp 51.8 kW
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Engine Model - U.S. EPA Tier 4 Final/EU Stage VCat® C3.3B
Hydraulic System
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Digging Force - Bucket13946 lbf 62 kN
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Operating Pressure - Equipment4134 psi 285 bar
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Pump Flow at 2,400 rpm44 gal/min 167 l/min
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Operating Pressure - Travel4134 psi 285 bar
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Digging Force - Stick - Standard9509 lbf 42.3 kN
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TypeLoad Sensing Hydraulics with Variable Displacement Piston Pump
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Operating Pressure - Swing3626 psi 250 bar
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NoteFlow and pressure are not combinable. Under load, as flow rises pressure goes down.
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Maximum Auxiliary Circuit - Primary - Pressure at Pump4134 psi 285 bar
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Maximum Auxiliary Circuit - Secondary - Pressure at Pump4134 psi 285 bar
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Maximum Auxiliary Circuit - Primary - Flow at Pump35 gal/min 131 l/min
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Maximum Auxiliary Circuit - Secondary - Flow at Pump9 gal/min 33 l/min
Service Refill Capacities
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Engine Oil3 gal (US) 11.2 l
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Cooling System2.6 gal (US) 10 l
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Hydraulic System29 gal (US) 110 l
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Hydraulic Tank14 gal (US) 53 l
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Fuel Tank39 gal (US) 147 l
Sound
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Operator Sound Pressure (ISO 6396:2008)72 dB(A) 72 dB(A)
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NoteEuropean Union Directive "2000/14/EC"
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Average Exterior Sound Pressure (ISO 6395:2008)99 dB(A) 99 dB(A)
Sustainability
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Recyclability96%
Swing System
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Machine Swing Speed10.6 r/min 10.6 r/min
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Boom Swing - Right50 degrees
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Boom Swing - Left60 degrees
Travel System
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Maximum Traction Force - High Speed6250 lbf 27.8 kN
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Travel Speed - Low1.9 mile/h 3.1 km/h
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Ground Pressure - Maximum Weight5.9 psi 40.6 kPa
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Travel Speed - High3.2 mile/h 5.1 km/h
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Gradeability - Maximum30 degrees
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Ground Pressure - Minimum Weight5.5 psi 37.9 kPa
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Maximum Traction Force - Low Speed15175 lbf 67.5 kN
Weight Increase from Minimum Configuration
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Counterweight552 lb 250 kg
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Steel Tracks with Pads752 lb 341 kg
Weights
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Operating Weight20385 lb 9245 kg
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Note (1)*Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, 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, blade, and no bucket.
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Maximum Operating Weight with Standard Stick**20385 lb 9245 kg
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Minimum Operating Weight with Standard Stick*19084 lb 8655 kg
Benefits
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 the Cat Stick Steer option. 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 dig-to-blade 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).
Equipment Info
ENGINE
Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
HYDRAULICS
Smart Tech Electronic Pump
OPERATOR ENVIRONMENT
Top Guard ISO 10262 1998 Level I
UNDERCARRIAGE
Greased and Lubricated Track
BOOM, STICK AND LINKAGES
Variable Angle Boom
ELECTRICAL
12 Volt Electrical System
OTHER
Locks on External Enclosure Doors