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Caterpillar
309 CR VAB Mini Hydraulic Excavator
Net Power
69.5 hp
51.8 kW
Operating Weight
21477 lb
9740 kg
Dig Depth
150.2 in
3815 mm
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.The 309 CR also features high flow hydraulics to handle power hungry attachments such as mulchers and brushcutters.
Media
Photos
Videos
Features
EASY TO OPERATE
STICK STEER TRAVEL MODE
BIG PERFORMANCE IN A MINI DESIGN
SAFETY ON THE JOB SITE
SIMPLE SERVICE FOR LESS DOWNTIME
LOWER OPERATING COSTS
UNMATCHED DEALER SUPPORT
SUSTAINABILITY
Details
Specifications
Specifications
| Spec | Value |
|---|---|
| Note | The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information. The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage. For specifications representing a 309 CR VAB with a Standard Undercarriage, please refer to the 308 CR information. |
Engine
| Spec | Value |
|---|---|
| Net Power | 69.5 hp 51.8 kW |
| Displacement | 203 in³ 3.33 l |
| Stroke | 4.7 in 120 mm |
| Bore | 3.7 in 94 mm |
| Gross Power – SAE J1995 | 74.3 hp 55.4 kW |
| Note | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
| Net Power – 2,200 rpm – ISO 9249:2007, 80/1269/EEC | 69.5 hp 51.8 kW |
| Engine Model – U.S. EPA Tier 4 Final/EU Stage V | Cat C3.3B Cat C3.3B |
Weights
| Spec | Value |
|---|---|
| Operating Weight | 21477 lb 9740 kg |
| Note (1) | *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. *Minimum Weight is based on rubber tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket. |
| Note (2) | **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. |
| Minimum Operating Weight* | 20121 lb 9125 kg |
| Maximum Operating Weight* | 21477 lb 9740 kg |
Weight Increase from Minimum Configuration
| Spec | Value |
|---|---|
| Steel Tracks with Pads | 728 lb 330 kg |
| Counterweight | 552 lb 250 kg |
| Standard Stick | 77 lb 35 kg |
Travel System
| Spec | Value |
|---|---|
| Ground Pressure – Minimum Weight | 5.1 psi 35.4 kPa |
| Travel Speed – High | 3.1 mile/h 4.9 km/h |
| Maximum Traction Force – High Speed | 6497 lbf 28.9 kN |
| Travel Speed – Low | 1.6 mile/h 2.6 km/h |
| Ground Pressure – Maximum Weight | 5.5 psi 37.8 kPa |
| Maximum Traction Force – Low Speed | 19064 lbf 84.8 kN |
| Gradeability – Maximum | 30 degrees 30 degrees |
Service Refill Capacities
| Spec | Value |
|---|---|
| Fuel Tank | 39 gal (US) 147 l |
| Hydraulic System | 29 gal (US) 110 l |
| Engine Oil | 3 gal (US) 11.2 l |
| Cooling System | 2.6 gal (US) 10 l |
| Hydraulic Tank | 14 gal (US) 53 l |
Hydraulic System
| Spec | Value |
|---|---|
| Operating Pressure – Travel | 4134 psi 285 bar |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Digging Force – Stick – Standard | 9509 lbf 42.3 kN |
| Digging Force – Bucket | 13946 lbf 62 kN |
| Pump Flow at 2,400 rpm | 62 gal/min 233 l/min |
| Operating Pressure – Swing | 3626 psi 250 bar |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Operating Pressure – Equipment | 4134 psi 285 bar |
| Maximum Auxiliary Circuit – Secondary – Flow at Pump | 9 gal/min 33 l/min |
| Maximum Auxiliary Circuit – Secondary – Pressure at Pump | 4134 psi 285 bar |
| Maximum Auxiliary Circuit – Primary – Flow at Pump | 35 gal/min 131 l/min |
| Maximum Auxiliary Circuit – Primary – Pressure at Pump | 4134 psi 285 bar |
| Maximum Auxiliary Circuit – Primary (High Flow) – Pressure at Pump | 4134 psi 285 bar |
| Maximum Auxiliary Circuit – Primary (High Flow) – Flow at Pump | 37 gal/min 140 l/min |
Swing System
| Spec | Value |
|---|---|
| Machine Swing Speed | 10.6 r/min 10.6 r/min |
| Boom Swing – Left | 60 degrees 60 degrees |
| Boom Swing – Right | 50 degrees 50 degrees |
Blade
| Spec | Value |
|---|---|
| Height | 17 in 431 mm |
| Width – Wide | 103.9 in 2640 mm |
| Width – Standard | 97.2 in 2470 mm |
Certification - Cab
| Spec | Value |
|---|---|
| Top Guard | ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
Sound
| Spec | Value |
|---|---|
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) 99 dB(A) |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) 72 dB(A) |
| Note | European Union Directive "2000/14/EC" European Union Directive "2000/14/EC" |
Dimensions - VAB In
| Spec | Value |
|---|---|
| Dig Depth | 150.2 in 3815 mm |
| Cab Height | 100 in 2541 mm |
| Maximum Blade Depth | 19.1 in 484 mm |
| Maximum Blade Height | 16.1 in 408 mm |
| Stick Length | 71.7 in 1820 mm |
| Maximum Reach | 256.5 in 6515 mm |
| Tail Swing without Counterweight | 57.1 in 1450 mm |
| Vertical Wall | 99.2 in 2520 mm |
| Swing Bearing Height | 29.8 in 756 mm |
| Track Belt/Shoe Width | 17.7 in 450 mm |
| Boom Swing Right | 37 in 935 mm |
| Overall Track Width | 97.2 in 2470 mm |
| Overall Shipping Length | 255.7 in 6495 mm |
| Maximum Dump Clearance | 135.8 in 3450 mm |
| Boom in Reach | 122.8 in 3120 mm |
| Maximum Reach at Ground Level | 248 in 6300 mm |
| Transport Height | 97.4 in 2475 mm |
| Overall Undercarriage Length | 126 in 3200 mm |
| Ground Clearance | 14 in 356 mm |
| Tail Swing with Counterweight | 62.4 in 1585 mm |
| Maximum Dig Height | 205.5 in 5220 mm |
| Boom Swing Left | 24 in 605 mm |
Air Conditioning System
| Spec | Value |
|---|---|
| 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. |
Dimensions - VAB Out
| Spec | Value |
|---|---|
| Ground Clearance | 14 in 356 mm |
| Cab Height | 100 in 2541 mm |
| Boom in Reach | 106.7 in 2710 mm |
| Vertical Wall | 146.7 in 3725 mm |
| Swing Bearing Height | 29.8 in 756 mm |
| Maximum Dump Clearance | 247.4 in 6285 mm |
| Overall Undercarriage Length | 126 in 3200 mm |
| Maximum Reach at Ground Level | 303.7 in 7715 mm |
| Tail Swing without Counterweight | 57.1 in 1450 mm |
| Maximum Reach | 310.4 in 7885 mm |
| Track Belt/Shoe Width | 17.7 in 450 mm |
| Overall Shipping Length | 255.7 in 6495 mm |
| Maximum Blade Depth | 19.1 in 484 mm |
| Maximum Dig Height | 322 in 8180 mm |
| Overall Track Width | 97.2 in 2470 mm |
| Tail Swing with Counterweight | 62.4 in 1585 mm |
| Stick Length | 71.7 in 1820 mm |
| Maximum Blade Height | 16.1 in 408 mm |
| Boom Swing Right | 37 in 935 mm |
| Boom Swing Left | 24 in 605 mm |
| Transport Height | 97.4 in 2475 mm |
| Dig Depth | 136.2 in 3460 mm |
Sustainability
| Spec | Value |
|---|---|
| Recyclability | 96% 96% |
Standard Equipment
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
- Dedicated Auxiliary Hydraulic Pump
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
- 90 Ampere Alternator
- Circuit Breaker
- 850 CCA Maintenance Free Battery
- Battery Disconnect
- Ignition Key Stop Switch
OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors
Optional Equipment
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
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