308 CR VAB Mini Hydraulic Excavator

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Engine

Engine Model: Cat C3.3B
Net Power: 70 hp
Bore: 4 in
Displacement: 203 in³
Gross Power - ISO 14396: 74 HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269: 72 HP
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269: 70 HP
Stroke: 5 in
Note: Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Gross Power - SAE J1995:2014: 74 hp
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC: 70 hp
Engine Model - U.S. EPA Tier 4 Final/EU Stage V: Cat® C3.3B

Weights

Operating Weight: 20,385 lb
Maximum Operating Weight with Cab*: 20,906 lb
Maximum Operating Weight with Cab**: 20,678 lb
Minimum Operating Weight with Cab*: 17,960 lb
Note: *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Note (1): *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, blade, and no bucket.
Note (2): **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, blade, and no bucket.
Minimum Operating Weight with Short Stick*: 19,161 lb
Maximum Operating Weight with Standard Stick**: 20,385 lb
Minimum Operating Weight with Standard Stick*: 19,084 lb
Maximum Operating Weight with Short Stick**: 20,462 lb

Blade

Height: 17 in
Width - Standard: 91 in
Width - Wide: 97 in

Air Conditioning System

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.

Certification - Cab

Roll Over Protective Structure (ROPS): ISO 12117-2:2008
Tip Over Protective Structure (TOPS): ISO 12117:1997
Top Guard: ISO 10262:1998 (Level II)

Dimensions - Long Stick

Boom In Reach: 127 in
Boom Swing - Left: 20 in
Boom Swing - Right: 38 in
Cab Height: 99 in
Dig Depth: 183 in
Ground Clearance: 14 in
Maximum Blade Depth: 16 in
Maximum Blade Height: 15 in
Maximum Dig Height: 277 in
Maximum Dump Clearance: 200 in
Maximum Reach: 301 in
Maximum Reach - Ground Level: 294 in
O/A Shipping Length: 262 in
O/A Track Width: 91 in
O/A Undercarriage Length: 114 in
Stick Length: 93 in
Swing Bearing - Height: 29 in
Tail Swing with Counterweight: 65 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 99 in
Vertical Wall: 134 in

Dimensions - Standard Stick

Boom In Reach: 120 in
Boom Swing - Left: 20 in
Boom Swing - Right: 38 in
Cab Height: 99 in
Dig Depth: 162 in
Ground Clearance: 14 in
Maximum Blade Depth: 16 in
Maximum Blade Height: 15 in
Maximum Dig Height: 265 in
Maximum Dump Clearance: 187 in
Maximum Reach: 281 in
Maximum Reach - Ground Level: 274 in
O/A Shipping Length: 259 in
O/A Track Width: 91 in
O/A Undercarriage Length: 114 in
Stick Length: 72 in
Swing Bearing - Height: 29 in
Tail Swing with Counterweight: 65 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 98 in
Vertical Wall: 118 in

Dimensions - VAB In

Boom Swing Left: 24 in
Boom Swing Right: 37 in
Boom in Reach: 123 in
Cab Height: 100 in
Dig Depth: 150 in
Ground Clearance: 14 in
Maximum Blade Depth: 16 in
Maximum Blade Height: 15 in
Maximum Dig Height: 206 in
Maximum Dump Clearance: 136 in
Maximum Reach: 257 in
Maximum Reach at Ground Level: 248 in
Overall Shipping Length: 254 in
Overall Track Width: 91 in
Overall Undercarriage Length: 113 in
Stick Length: 72 in
Swing Bearing Height: 30 in
Tail Swing with Counterweight: 62 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 97 in
Vertical Wall: 99 in

Dimensions - VAB Out

Boom Swing Left: 24 in
Boom Swing Right: 37 in
Boom in Reach: 107 in
Cab Height: 100 in
Dig Depth: 136 in
Ground Clearance: 14 in
Maximum Blade Depth: 16 in
Maximum Blade Height: 15 in
Maximum Dig Height: 322 in
Maximum Dump Clearance: 247 in
Maximum Reach: 310 in
Maximum Reach at Ground Level: 304 in
Overall Shipping Length: 254 in
Overall Track Width: 91 in
Overall Undercarriage Length: 113 in
Stick Length: 72 in
Swing Bearing Height: 30 in
Tail Swing with Counterweight: 62 in
Tail Swing without Counterweight: 57 in
Track Belt/Shoe Width: 18 in
Transport Height: 97 in
Vertical Wall: 147 in

Hydraulic System

Auxiliary Circuit - Primary - Flow: 35 gal/min
Auxiliary Circuit - Primary - Pressure: 4,134 psi
Auxiliary Circuit - Secondary - Flow: 9 gal/min
Auxiliary Circuit - Secondary - Pressure: 4,134 psi
Digging Force - Bucket: 13,946 lbf
Digging Force - Stick - Long: 8,032 lb
Digging Force - Stick - Standard: 9,509 lbf
Operating Pressure - Equipment: 4,134 psi
Operating Pressure - Swing: 3,626 psi
Operating Pressure - Travel: 4,134 psi
Pump Flow at 2,400 rpm: 44 gal/min
Type: Load Sensing Hydraulics with Variable Displacement Piston Pump
Note: Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Maximum Auxiliary Circuit - Primary - Pressure at Pump: 4,134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump: 4,134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump: 35 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump: 9 gal/min
Digging Force - Stick (Short): 9,217 lbf

Service Refill Capacities

Cooling System: 3 gal (US)
Engine Oil: 3 gal (US)
Fuel Tank: 39 gal (US)
Hydraulic System: 29 gal (US)
Hydraulic Tank: 14 gal (US)

Sound

Average Exterior Sound Pressure (ISO 6395:2008): 99 dB(A)
Note: European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008): 72 dB(A)

Swing System

Machine Swing Speed: 11 r/min
Boom Swing - Right: 50 degrees
Boom Swing - Left: 60 degrees

Travel System

Gradeability - Maximum: 30 degrees
Ground Pressure - Maximum Weight: 6 psi
Ground Pressure - Minimum Weight: 6 psi
Maximum Traction Force - High Speed: 6,250 lbf
Maximum Traction Force - Low Speed: 15,175 lbf
Travel Speed - High: 3 mile/h
Travel Speed - Low: 2 mile/h

Weight Increase from Minimum Configuration

Counterweight: 552 lb
Long Stick: 146 lb
Steel Tracks with Pads: 752 lb
Note: *Short stick weight exceeds standard stick weight due to its heavy duty design.
Short Stick*: 77 lb

Certification - Cab and Canopy

Roll Over Protective Structure (ROPS): ISO 12117-2:2008
Tip Over Protective Structure (TOPS): ISO 12117:1997
Top Guard: ISO 10262:1998 (Level II)

Dimensions - Short Stick - VAB In

Maximum Dig Height: 209 in
Boom Swing Left: 24 in
Maximum Blade Height: 15 in
Maximum Dump Clearance: 138 in
Tail Swing with Counterweight: 62 in
Tail Swing without Counterweight: 57 in
Maximum Reach at Ground Level: 245 in
Transport Height: 92 in
Boom Swing Right: 37 in
Stick Length: 66 in
Overall Track Width: 91 in
Vertical Wall: 96 in
Overall Shipping Length: 254 in
Dig Depth: 146 in
Ground Clearance: 14 in
Overall Undercarriage Length: 113 in
Swing Bearing Height: 30 in
Maximum Reach: 253 in
Boom in Reach: 122 in
Maximum Blade Depth: 16 in
Cab Height: 100 in
Track Belt/Shoe Width: 18 in

Dimensions - Short Stick - VAB Out

Maximum Reach: 305 in
Swing Bearing Height: 30 in
Maximum Dig Height: 317 in
Maximum Reach at Ground Level: 298 in
Maximum Blade Depth: 16 in
Overall Shipping Length: 254 in
Boom in Reach: 97 in
Vertical Wall: 138 in
Maximum Dump Clearance: 243 in
Overall Track Width: 91 in
Tail Swing without Counterweight: 57 in
Boom Swing Right: 37 in
Cab Height: 100 in
Overall Undercarriage Length: 113 in
Ground Clearance: 14 in
Track Belt/Shoe Width: 18 in
Stick Length: 66 in
Transport Height: 92 in
Boom Swing Left: 24 in
Tail Swing with Counterweight: 62 in
Maximum Blade Height: 15 in
Dig Depth: 130 in

Sustainability

Recyclability: 96%

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‚Äôve 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).

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. (for use of blends higher than 20% biodiesel, consult your Cat dealer)

Engine
- Cat C3.3 Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Swing Brake
- Automatic Two Speed Travel
- Fuel Water Separator with Indicator
- Radial Seal – Double Element Air Filter
- Extended Life Coolant, –37° C ( –35° F)
- Ecology Drain
Hydraulics
- Smart Tech Electronic Pump
- Electronic Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Power On Demand
- Hydraulic Temperature Monitoring
- Certified Accumulator
- HYDO Advanced Hydraulic Oil
Operator Environment
- Top Guard ISO 10262 1998 Level I
- ROPS ISO 12117-2:2008
- Sealed and Pressurized Cab
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer
- Adjustable Wrist Rests
- Molded Footrests
- Removable, Washable Floor Mat
- Travel Pedals and Hand Levers
- Cat Key with Passcode Option
- HVAC with Automatic Temperature Control
- Hydraulic Lockout Controls
- Integrated Lower Front Window
- Assisted Front Window Overhead Storage
- Rear Window Emergency Exit
- Fabric, High Back, Suspension Seat
- Retractable Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- LED Interior Light
- Literature Holder
- Mounting Bosses for Top and Front Guards
- 12V Power Socket
- Radio – Bluetooth, Auxiliary, Microphone, USB (charging only)
- Skylight
- Signaling/Warning Horn
- Cab and (left side) Boom Work Lights
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)
  – Jog Dial Interface
  – Fuel Level and Coolant Temperature Gauges
  – Maintenance and Machine Monitoring
  – Performance and Machine Adjustments
  – Numeric Security Code
  – Multiple Languages
  – Camera Ready (IP68 & IP69K)
  – Hour Meter with Wake Up Switch
Undercarriage
- Greased and Lubricated Track
- Hydraulic Track Adjusters
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
Boom, Stick And Linkages
- Variable Angle Boom
- Standard Stick (1820 mm/71.7 in)
- Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler (not available in all regions)
- Thumb Ready (not available in all regions)
Electrical
- 12 Volt Electrical System
- 60 Ampere Alternator
- Circuit Breaker
- 900 CCA Maintenance Free Battery
- Battery Disconnect
- Ignition Key Stop Switch
Other
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors

Operator Environment
- Push to Start with Bluetooth^® Key
- Air Suspension Heated Seat
- Rain Visor
- Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option)
  – Touch Screen
  – Site Reference System
  – High Definition Camera Capable (IP68 & IP69K)
  – Numeric Security Code
Undercarriage
- Wide Dozer Blade
- Steel Tracks (450 mm/17.7 in wide)
- Wide Steel Tracks (600 mm/23.6 in)
- Steel Track with Rubber Pads
- Track Guides
Boom, Stick And Linkages
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Certified Lifting Eye
Electrical
- Product Link Elite (regulations apply)
- Travel Alarm
- Rearview Camera
- Rotating Beacon
Guarding
- Mesh Front Guard ISO 10262 1998 Level I
- Heavy Duty Front Guard ISO 10262 1998 Level II
- Overhead Cab Guard ISO 10262 1998 Level II
- Polycarbonate Front Window EN356 P5A
- Track Guards
Other
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump