309 CR VAB
Specifications
Overview
The Cat® 309 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 |
| Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 | 71.5 HP 53.3 kW | More |
| Gross Power - ISO 14396 | 74.3 HP 55.4 kW | More |
| Displacement | 203.0 in³ 3.33 l | 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 |
| Bore | 3.7 in 94.0 mm | More |
Weights
| Operating Weight | 20731.0 lb 9403.0 kg | More |
| Note (1) | *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. | More |
| Maximum Operating Weight with Cab* | 21054.0 lb 9550.0 kg | More |
| Maximum Operating Weight with Cab** | 20731.0 lb 9403.0 kg | More |
| Minimum Operating Weight with Cab* | 19304.0 lb 8756.0 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 |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. | More |
Dimensions - VAB In
| Cab Height | 99.0 in 2514.0 mm | More |
| Maximum Blade Depth | 26.9 in 684.0 mm | More |
| Maximum Blade Height | 13.5 in 342.0 mm | More |
| Stick Length | 71.8 in 1823.0 mm | More |
| Maximum Reach | 260.3 in 6612.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Vertical Wall | 133.6 in 3394.0 mm | More |
| Swing Bearing Height | 31.4 in 798.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| Boom Swing Right | 37.0 in 935.0 mm | More |
| Overall Track Width | 97.2 in 2470.0 mm | More |
| Overall Shipping Length | 227.2 in 5771.0 mm | More |
| Maximum Dump Clearance | 143.4 in 3643.0 mm | More |
| Boom in Reach | 112.3 in 2853.0 mm | More |
| Maximum Reach at Ground Level | 252.1 in 6403.0 mm | More |
| Transport Height | 99.6 in 2530.0 mm | More |
| Overall Undercarriage Length | 126.0 in 3200.0 mm | More |
| Ground Clearance | 13.5 in 343.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Maximum Dig Height | 216.3 in 5494.0 mm | More |
| Boom Swing Left | 24.0 in 604.0 mm | More |
| Dig Depth | 154.8 in 3931.0 mm | More |
Hydraulic System
| Operating Pressure - Travel | 4134.0 psi 285.0 bar | More |
| Auxiliary Circuit - Secondary - Flow | 9.0 gal/min 33.0 l/min | More |
| Auxiliary Circuit - Primary (High Flow) - Pressure | 4134.0 psi 285.0 bar | More |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump | More |
| Digging Force - Stick - Standard | 9500.0 lb 42.3 kN | More |
| Auxiliary Circuit - Secondary - Pressure | 4134.0 psi 285.0 bar | More |
| Digging Force - Stick - Long | 8023.0 lb 35.7 kN | More |
| Digging Force - Bucket | 13943.0 lb 62.0 kN | More |
| Pump Flow at 2,400 rpm | 62.0 gal/min 233.0 l/min | More |
| Auxiliary Circuit - Primary (High Flow) - Flow | 37.0 gal/min 140.0 l/min | More |
| Operating Pressure - Swing | 3626.0 psi 250.0 bar | More |
| Operating Pressure - Equipment | 4134.0 psi 285.0 bar | More |
Dimensions - Long Stick
| Boom Swing - Right | 37.0 in 935.0 mm | More |
| Boom Swing - Left | 24.0 in 604.0 mm | More |
| Dig Depth | 183.1 in 4650.0 mm | More |
| Stick Length | 92.8 in 2358.0 mm | More |
| Maximum Reach - Ground Level | 293.8 in 7462.0 mm | More |
| Maximum Blade Height | 13.5 in 342.0 mm | More |
| Cab Height | 99.0 in 2514.0 mm | More |
| Transport Height | 99.0 in 2514.0 mm | More |
| Boom In Reach | 126.6 in 3215.0 mm | More |
| O/A Track Width | 97.2 in 2470.0 mm | More |
| Ground Clearance | 13.5 in 343.0 mm | More |
| Swing Bearing - Height | 28.7 in 729.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Maximum Reach | 300.7 in 7637.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| Vertical Wall | 134.3 in 3411.0 mm | More |
| O/A Undercarriage Length | 126.0 in 3200.0 mm | More |
| O/A Shipping Length | 262.3 in 6662.0 mm | More |
| Maximum Dig Height | 276.8 in 7032.0 mm | More |
| Maximum Dump Clearance | 199.4 in 5065.0 mm | More |
| Maximum Blade Depth | 26.9 in 684.0 mm | More |
Dimensions - VAB Out
| Ground Clearance | 13.5 in 343.0 mm | More |
| Cab Height | 99.0 in 2514.0 mm | More |
| Boom in Reach | 117.9 in 2995.0 mm | More |
| Vertical Wall | 138.7 in 3524.0 mm | More |
| Swing Bearing Height | 31.4 in 798.0 mm | More |
| Maximum Dump Clearance | 251.6 in 6390.0 mm | More |
| Overall Undercarriage Length | 126.0 in 3200.0 mm | More |
| Maximum Reach at Ground Level | 304.4 in 7732.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Maximum Reach | 311.0 in 7900.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| Overall Shipping Length | 281.8 in 7158.0 mm | More |
| Maximum Blade Depth | 26.9 in 684.0 mm | More |
| Maximum Dig Height | 321.7 in 8171.0 mm | More |
| Overall Track Width | 97.2 in 2470.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Stick Length | 71.8 in 1823.0 mm | More |
| Maximum Blade Height | 13.5 in 342.0 mm | More |
| Boom Swing Right | 37.0 in 935.0 mm | More |
| Boom Swing Left | 24.0 in 604.0 mm | More |
| Transport Height | 96.5 in 2452.0 mm | More |
| Dig Depth | 136.5 in 3468.0 mm | More |
Dimensions - Standard Stick
| Maximum Reach - Ground Level | 273.6 in 6951.0 mm | More |
| Swing Bearing - Height | 28.7 in 729.0 mm | More |
| Stick Length | 71.8 in 1823.0 mm | More |
| O/A Shipping Length | 259.0 in 6578.0 mm | More |
| Maximum Blade Height | 13.5 in 342.0 mm | More |
| Boom In Reach | 120.4 in 3058.0 mm | More |
| Tail Swing with Counterweight | 64.8 in 1645.0 mm | More |
| Vertical Wall | 118.0 in 2998.0 mm | More |
| Maximum Blade Depth | 26.9 in 684.0 mm | More |
| Ground Clearance | 13.5 in 343.0 mm | More |
| Maximum Reach | 281.1 in 7140.0 mm | More |
| Transport Height | 97.9 in 2487.0 mm | More |
| Cab Height | 99.0 in 2514.0 mm | More |
| Boom Swing - Left | 24.0 in 604.0 mm | More |
| O/A Track Width | 97.2 in 2470.0 mm | More |
| Boom Swing - Right | 37.0 in 935.0 mm | More |
| Maximum Dig Height | 264.9 in 6729.0 mm | More |
| Tail Swing without Counterweight | 57.1 in 1450.0 mm | More |
| Dig Depth | 162.0 in 4115.0 mm | More |
| Maximum Dump Clearance | 187.1 in 4753.0 mm | More |
| Track Belt/Shoe Width | 17.7 in 450.0 mm | More |
| O/A Undercarriage Length | 126.0 in 3200.0 mm | More |
Travel System
| Ground Pressure - Minimum Weight | 6.0 psi 38.0 kPa | More |
| Travel Speed - High | 3.1 mile/h 4.9 km/h | More |
| Maximum Traction Force - High Speed | 6497.0 lb 28.9 kN | More |
| Travel Speed - Low | 1.6 mile/h 2.6 km/h | More |
| Ground Pressure - Maximum Weight | 6.0 psi 40.8 kPa | More |
| Maximum Traction Force - Low Speed | 19064.0 lb 84.8 kN | More |
| Gradeability - Maximum | 30 degrees 30 degrees | More |
Swing System
| Machine Swing Speed | 10.6 r/min 10.6 r/min | More |
Specifications
| Note | The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information. The 309 CR specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR with a Standard Undercarriage, please refer to the 308 CR information. | 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 |
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
309 CR VAB Standard Equipment
ENGINE
- Extended Life Coolant, –37° C (–35° F)
- Ecology Drain
- Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
- Automatic Two Speed Travel
- Automatic Engine Shutdown
- Radial Seal – Double Element Air Filter
- Automatic Swing Brake
- Automatic Engine Idle
- Fuel Water Separator with Indicator
HYDRAULICS
- Case Drain Line
- Hydraulic Temperature Monitoring
- Hydro Advanced Hydraulic Oil
- Certified Accumulator
- Power On Demand
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Smart Tech Electronic Pump
OPERATOR ENVIRONMENT
- Rear Window Emergency Exit
- Assisted Front Window Overhead Storage
- 12V Power Socket
- Travel Pedals and Hand Levers
- Travel Cruise Control
- LED Interior Light
- Coat Hook
- Cat Key with Passcode Option
- Fabric, High Back, Suspension Seat
- Stick Steer Mode
- ROPS – ISO 12117-2:2008
- Removable, Washable Floor Mat
- Literature Holder
- 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 - Mounting Bosses for Top and Front Guards
- Sealed and Pressurized Cab
- Radio – Bluetooth®, USB, Auxiliary, Microphone
- Skylight
- Integrated Lower Front Window
- HVAC with Automatic Temperature Control
- Retractable Seat Belt (75 mm/3 in)
- TOPS – ISO 12117:1997
- Top Guard – ISO 10262:1998 (Level II)
- Cup Holder
- Hydraulic Lockout Controls
- Control Pattern Changer
- Operator Sound Pressure 72 dB(A) ISO 6396:2008
- Molded Footrests
- Adjustable Wrist Rests
UNDERCARRIAGE
- Tie Down Eyes on Track Frame
- Dozer Blade
- Dozer Float
- Bolt-on, Reversible Wear Edge
- Steel Tracks (450 mm/17.7 in wide)
- Hydraulic Track Adjusters
- Greased and Lubricated Track
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)
309 CR VAB Optional Equipment
OPERATOR ENVIRONMENT
- Air Suspension Heated Seat
- Rain Visor
ELECTRICAL
- Rearview Camera
- Rotating Beacon
OTHER
- Boom and Stick Hose Burst Check Valves
- Bucket Linkage with Lift Eye
- Track Guides
- Attachments including Buckets, Augers and Hammers
- Wide Steel Tracks (600 mm/23.6 in)
- 2nd Auxiliary Hydraulic Lines
- Wide Dozer Blade
- Additional Counterweight
- Water Jacket Heater
- Refueling Pump
- Cab Guarding
- Travel Alarm (standard in some regions)
Related Products
Attachments
Digging Buckets - Mini Excavator
