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309 CR VAB Mini Hydraulic Excavator
Net Power
69 hp
51.2 kW
Operating Weight
22,094 lb
10,020 kg
Dig Depth
150.2 in
3,815 mm
SPECIFICATIONS
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.
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
Blade
Width - Standard
97.2 in
2,470 mm
Width - Wide
103.9 in
2,640 mm
Height
17 in
431 mm
Certification - Cab
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
Dimensions - VAB In
Dig Depth
150.2 in
3,815 mm
Vertical Wall
99.2 in
2,520 mm
Maximum Reach at Ground Level
248 in
6,300 mm
Maximum Reach
256.5 in
6,515 mm
Maximum Dig Height
205.5 in
5,220 mm
Maximum Dump Clearance
135.8 in
3,450 mm
Boom in Reach
122.8 in
3,120 mm
Tail Swing with Counterweight
62.4 in
1,585 mm
Tail Swing without Counterweight
57.1 in
1,450 mm
Maximum Blade Height
16.1 in
408 mm
Maximum Blade Depth
19.1 in
484 mm
Cab Height
100 in
2,541 mm
Swing Bearing Height
29.8 in
756 mm
Overall Undercarriage Length
126 in
3,200 mm
Overall Shipping Length
255.7 in
6,495 mm
Boom Swing Right
37 in
935 mm
Boom Swing Left
24 in
605 mm
Track Belt/Shoe Width
17.7 in
450 mm
Overall Track Width
97.2 in
2,470 mm
Ground Clearance
14 in
356 mm
Stick Length
71.7 in
1,820 mm
Dimensions - VAB Out
Dig Depth
136.2 in
3,460 mm
Vertical Wall
146.7 in
3,725 mm
Maximum Reach at Ground Level
303.7 in
7,715 mm
Maximum Reach
310.4 in
7,885 mm
Maximum Dig Height
322 in
8,180 mm
Maximum Dump Clearance
247.4 in
6,285 mm
Boom in Reach
106.7 in
2,710 mm
Tail Swing with Counterweight
62.4 in
1,585 mm
Tail Swing without Counterweight
57.1 in
1,450 mm
Maximum Blade Height
16.1 in
408 mm
Maximum Blade Depth
19.1 in
484 mm
Cab Height
100 in
2,541 mm
Swing Bearing Height
29.8 in
756 mm
Overall Undercarriage Length
126 in
3,200 mm
Overall Shipping Length
255.7 in
6,495 mm
Boom Swing Right
37 in
935 mm
Boom Swing Left
24 in
605 mm
Track Belt/Shoe Width
17.7 in
450 mm
Overall Track Width
97.2 in
2,470 mm
Ground Clearance
14 in
356 mm
Stick Length
71.7 in
1,820 mm
Engine
Net Power
69 hp
51.2 kW
Engine Model
Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
69 hp
51.2 kW
Gross Power - ISO 14396
74.3 hp
55.4 kW
Bore
3.5 in
90 mm
Stroke
4.3 in
110 mm
Displacement
171 in³
2.8 l
Note
Meets U.S. EPA Tier 4 Final and EU Stage V emissions standards.
Note (1)
Advertised power is tested per the specified standard in effect at thetime of manufacture.
Note (2)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
62 gpm
233 L/min
Operating Pressure - Equipment
4,134 psi
285 bar
Operating Pressure - Travel
4,134 psi
285 bar
Operating Pressure - Swing
3,626 psi
250 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump
37 gpm
140 L/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4,134 psi
285 bar
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gpm
33 L/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4,134 psi
285 bar
Digging Force - Stick - Standard
9,509 lbf
42.3 kN
Digging Force - Bucket
13,946 lbf
62 kN
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Service Refill Capacities
Cooling System
2.6 gal (US)
10 l
Engine Oil
2.3 gal (US)
8.8 l
Fuel Tank
39 gal (US)
147 l
Hydraulic Tank
14 gal (US)
53 l
Hydraulic System
29 gal (US)
110 l
Sound
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
99 dB(A)
Note
European Union Directive "2000/14/EC"
Specifications
Note
The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage.
Sustainability
Recyclability
96%
Swing System
Machine Swing Speed
10 r/min
10 r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Travel System
Travel Speed - High
2.9 mile/h
4.7 km/h
Travel Speed - Low
1.6 mile/h
2.6 km/h
Maximum Traction Force - High Speed
7,419 lbf
33 kN
Maximum Traction Force - Low Speed
19,064 lbf
84.8 kN
Ground Pressure - Minimum Weight
5.2 psi
35.6 kPa
Ground Pressure - Maximum Weight
5.6 psi
38.9 kPa
Gradeability - Maximum
30 degrees
Weight Increase from Minimum Configuration
Counterweight
552 lb
250 kg
Counterweight (extra)
1,103 lb
500 kg
Standard Stick
77 lb
35 kg
Steel Tracks with Pads
728 lb
330 kg
Weights
Operating Weight
22,094 lb
10,020 kg
Minimum Operating Weight with Standard Stick*
20,264 lb
9,190 kg
Maximum Operating Weight with Standard Stick**
22,094 lb
10,020 kg
Note (1)
*Minimum Weight is based on steel 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, (500 kg/1,103 lb) counterweight, operator, full fuel tank, standard stick, blade, and no bucket.
- ENGINE
- Cat C2.8 Turbo Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) - Electronic Engine, Turbo, Fit-For-Life Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC) Aftertreatment System
- 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)
- HYDRAULICS
- Smart Tech Electronic Pump
- Electronic Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
- Dedicated Auxiliary Hydraulic Pump
- Power On Demand
- Hydraulic Temperature Monitoring
- Certified Accumulator
- HYDO™ Advanced Hydraulic Oil
- Ecology Drain
- 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
- Cab Mirrors (vary by region)
- 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
- Tie Down Eyes on Track Frame
- Greased and Lubricated Track
- Hydraulic Track Adjusters
- 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
- Lock Out/Tag Out Battery Disconnect
- Ignition Key Stop Switch
- Rear Camera
- GUARDING
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
- OTHER
- Locks on External Enclosure Doors
- Lockable Fuel Cap
- Beacon Socket
- Rear Reflectors
- HYDRAULICS
- Third Auxiliary
- OPERATOR ENVIRONMENT
- Push to Start with Bluetooth® Key
- Air Suspension Heated Seat
- Seat Belt Reminder System
- 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
- TECHNOLOGY
- Ease of Use Indicate
- Ease of Use E-Fence
- Ease of Use Laser Catcher
- Cat Grade Advanced 2D
- Cat Grade 3D
- 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
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Attachments including Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Boom Lowering Control Valve (Standard in Europe)
- Stick Lowering Control Valve (Standard in Europe)
- Certified Lifting Eye
- ELECTRICAL
- Travel Alarm
- Rear and Side Camera
- Rotating Beacon
- GUARDING
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
- Track Guards
- OTHER
- Counterweight (250 kg/551 lb)
- Counterweight (500 kg/1103 lb)
- Water Jacket Heater
- Refueling Pump
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