308 CR VAB
Specifications
Overview
The Cat® 308 CR Variable Angle Boom (VAB) Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications. The Variable Angle Boom provides the maximum in linkage flexibility in tight applications.
| Engine Model | Cat C3.3B Cat C3.3B | More |
| Net Power | 70.3 HP 52.4 kW | More |
| Bore | 3.7 in 94.0 mm | More |
| Displacement | 203.0 in³ 3.33 l | More |
| Gross Power - ISO 14396 | 74.3 HP 55.4 kW | More |
| Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 | 71.5 HP 53.3 kW | More |
| Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 | 70.3 HP 52.4 kW | More |
| Stroke | 4.7 in 120.0 mm | More |
Weights
| Operating Weight | 20906.0 lb 9483.0 kg | More |
| Maximum Operating Weight with Cab* | 20906.0 lb 9483.0 kg | More |
| Note | *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, standard stick, blade and no bucket. | More |
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. 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. | More |
Dimensions - VAB In
| Boom Swing Left | 20.0 in 503.0 mm | More |
| Boom Swing Right | 38.0 in 963.0 mm | More |
| Boom in Reach | 112.3 in 2853.0 mm | More |
| Cab Height | 99.2 in 2520.0 mm | More |
| Dig Depth | 154.5 in 3925.0 mm | More |
| Ground Clearance | 13.7 in 349.0 mm | More |
| Maximum Blade Depth | 16.1 in 408.0 mm | More |
| Maximum Blade Height | 14.5 in 369.0 mm | More |
| Maximum Dig Height | 216.6 in 5500.0 mm | More |
| Maximum Dump Clearance | 143.7 in 3649.0 mm | More |
| Maximum Reach | 260.3 in 6612.0 mm | More |
| Maximum Reach at Ground Level | 252.0 in 6402.0 mm | More |
| Overall Shipping Length | 235.0 in 5969.0 mm | More |
| Overall Track Width | 90.6 in 2300.0 mm | More |
| Overall Undercarriage Length | 113.9 in 2892.0 mm | More |
| Stick Length | 71.8 in 1823.0 mm | More |
| Swing Bearing Height | 28.9 in 735.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| Transport Height | 105.2 in 2673.0 mm | More |
| Vertical Wall | 133.4 in 3388.0 mm | More |
Dimensions - VAB Out
| Boom Swing Left | 20.0 in 503.0 mm | More |
| Boom Swing Right | 38.0 in 963.0 mm | More |
| Boom in Reach | 117.9 in 2995.0 mm | More |
| Cab Height | 99.2 in 2520.0 mm | More |
| Dig Depth | 136.3 in 3462.0 mm | More |
| Ground Clearance | 13.7 in 349.0 mm | More |
| Maximum Blade Depth | 16.1 in 408.0 mm | More |
| Maximum Blade Height | 14.5 in 369.0 mm | More |
| Maximum Dig Height | 321.9 in 8177.0 mm | More |
| Maximum Dump Clearance | 251.8 in 6396.0 mm | More |
| Maximum Reach | 311.8 in 7919.0 mm | More |
| Maximum Reach at Ground Level | 305.1 in 7750.0 mm | More |
| Overall Shipping Length | 282.7 in 7180.0 mm | More |
| Overall Track Width | 90.6 in 2300.0 mm | More |
| Overall Undercarriage Length | 113.9 in 2892.0 mm | More |
| Stick Length | 71.8 in 1823.0 mm | More |
| Swing Bearing Height | 28.9 in 735.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| Transport Height | 94.5 in 2399.0 mm | More |
| Vertical Wall | 138.5 in 3518.0 mm | More |
Hydraulic System
| Auxiliary Circuit - Primary - Flow | 35.0 gal/min 131.0 l/min | More |
| Auxiliary Circuit - Primary - Pressure | 4134.0 psi 285.0 bar | More |
| Auxiliary Circuit - Secondary - Flow | 9.0 gal/min 33.0 l/min | More |
| Auxiliary Circuit - Secondary - Pressure | 4134.0 psi 285.0 bar | More |
| Digging Force - Bucket | 13946.0 lb 62.0 kN | More |
| Digging Force - Stick - Standard | 9205.0 lb 40.9 kN | More |
| Operating Pressure - Equipment | 4134.0 psi 285.0 bar | More |
| Operating Pressure - Swing | 3626.0 psi 250.0 bar | More |
| Operating Pressure - Travel | 4134.0 psi 285.0 bar | More |
| Pump Flow at 2,400 rpm | 44.0 gal/min 167.0 l/min | More |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump | More |
Swing System
| Machine Swing Speed | 10.6 r/min 10.6 r/min | More |
Travel System
| Gradeability - Maximum | 30 degrees 30 degrees | More |
| Ground Pressure - Maximum Weight | 6.0 psi 41.16 kPa | More |
| Maximum Traction Force - High Speed | 6250.0 lb 27.8 kN | More |
| Maximum Traction Force - Low Speed | 15175.0 lb 67.5 kN | More |
| Travel Speed - High | 3.2 mile/h 5.1 km/h | More |
| Travel Speed - Low | 1.9 mile/h 3.1 km/h | More |
Benefits & Features
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 helps 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.
Equipment
308 CR VAB Standard Equipment
ENGINE
- Cat C3.3B 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
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Power On Demand
- Hydraulic Temperature Monitoring
- Certified Accumulator
- Hydro Advanced Hydraulic Oil
OPERATOR ENVIRONMENT
- Sealed and Pressurized Cab
- Operator Sound Pressure 72 dB(A) ISO 6396:2008
- 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
- 12V Power Socket
- Radio – Bluetooth®, USB, Auxiliary, Microphone
- Skylight
- Mounting Bosses for Top and Front Guards
- ROPS – ISO 12117-2:2008
- TOPS – ISO 12117:1997
- Top Guard – ISO 10262:1998 (Level II)
- Color LCD Monitor
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Camera Ready
– Hour Meter with Wake Up Switch
– Jog Dial Control Interface
UNDERCARRIAGE
- Greased and Lubricated Track
- Hydraulic Track Adjusters
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
- Rubber Tracks
BOOM, STICK AND LINKAGES
- Variable Angle Boom
- Standard Stick (1823 mm/71.8 in)
- Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
- Thumb Ready (not available in all regions)
- Certified Lifting Eye (not available in all regions)
ELECTRICAL
- 12 Volt Electrical System
- 90 Ampere Alternator
- 850 CCA Maintenance Free Battery
- Circuit Breaker
- Ignition Key Stop Switch
- Signaling/Warning Horn
- Product Link™ Elite Lite (regulations apply)
308 CR VAB Optional Equipment
OPERATOR ENVIRONMENT
- Rain Visor
- Air Suspension Heated Seat
ELECTRICAL
- Rearview Camera
- Rotating Beacon
OTHER
- Attachments including Buckets, Augers and Hammers
- Steel Tracks (450 mm/17.7 in wide)
- Steel Track with Rubber Pads
- Wide Steel Tracks (600 mm/23.6 in)
- Wide Dozer Blade
- 2nd Auxiliary Hydraulic Lines
- Boom and Stick Hose Burst Check Valves
- Bucket Linkage with Lift Eye
- Track Guides
- Water Jacket Heater
- Refueling Pump
- Cab Guarding
- Travel Alarm (standard in some regions)
