At a glance data:
Engine Model:
Cat® C2.8 Turbo
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.
Category:
Mini Excavators
Category:
Mini Excavators
Brand:
Cat
Brand:
Cat
Engine
Net Power:
69hp
Engine Model:
Cat® C2.8 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC:
69hp
Gross Power - ISO 14396:
74.3hp
Bore:
3.5in
Stroke:
4.3in
Displacement:
171in³
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.
Weights
Operating Weight:
22094lb
Minimum Operating Weight with Standard Stick*:
20264lb
Maximum Operating Weight with Standard Stick**:
22094lb
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.
Weight Increase from Minimum Configuration
Counterweight:
552lb
Counterweight (extra):
1103lb
Standard Stick:
77lb
Steel Tracks with Pads:
728lb
Travel System
Travel Speed - High:
2.9mile/h
Travel Speed - Low:
1.6mile/h
Maximum Traction Force - High Speed:
7419lbf
Maximum Traction Force - Low Speed:
19064lbf
Ground Pressure - Minimum Weight:
5.2psi
Ground Pressure - Maximum Weight:
5.6psi
Gradeability - Maximum:
30 degrees
Blade
Height:
17in
Service Refill Capacities
Cooling System:
2.6gal (US)
Engine Oil:
2.3gal (US)
Fuel Tank:
39gal (US)
Hydraulic Tank:
14gal (US)
Hydraulic System:
29gal (US)
Hydraulic System
Type:
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm:
62gpm
Operating Pressure - Equipment:
4134psi
Operating Pressure - Travel:
4134psi
Operating Pressure - Swing:
3626psi
Maximum Auxiliary Circuit - Primary - Flow at Pump:
37gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump:
4134psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump:
9gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump:
4134psi
Digging Force - Stick - Standard:
9509lbf
Digging Force - Bucket:
13946lbf
Note:
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Swing System
Machine Swing Speed:
10r/min
Boom Swing - Left:
60 degrees
Boom Swing - Right:
50 degrees
Blade
Width - Standard:
97.2in
Width - Wide:
103.9in
Certification - Cab
Roll Over Protective Structure (ROPS):
ISO 12117-2:2008
Top Guard:
ISO 10262:1998 (Level I)
Dimensions - VAB In
Dig Depth:
150.2in
Vertical Wall:
99.2in
Maximum Reach at Ground Level:
248in
Maximum Reach:
256.5in
Maximum Dig Height:
205.5in
Maximum Dump Clearance:
135.8in
Boom in Reach:
122.8in
Tail Swing with Counterweight:
62.4in
Tail Swing without Counterweight:
57.1in
Maximum Blade Height:
16.1in
Maximum Blade Depth:
19.1in
Cab Height:
100in
Swing Bearing Height:
29.8in
Overall Undercarriage Length:
126in
Overall Shipping Length:
255.7in
Boom Swing Right:
37in
Boom Swing Left:
24in
Track Belt/Shoe Width:
17.7in
Overall Track Width:
97.2in
Ground Clearance:
14in
Stick Length:
71.7in
Dimensions - VAB Out
Dig Depth:
136.2in
Vertical Wall:
146.7in
Maximum Reach at Ground Level:
303.7in
Maximum Reach:
310.4in
Maximum Dig Height:
322in
Maximum Dump Clearance:
247.4in
Boom in Reach:
106.7in
Tail Swing with Counterweight:
62.4in
Tail Swing without Counterweight:
57.1in
Maximum Blade Height:
16.1in
Maximum Blade Depth:
19.1in
Cab Height:
100in
Swing Bearing Height:
29.8in
Overall Undercarriage Length:
126in
Overall Shipping Length:
255.7in
Boom Swing Right:
37in
Boom Swing Left:
24in
Track Belt/Shoe Width:
17.7in
Overall Track Width:
97.2in
Ground Clearance:
14in
Stick Length:
71.7in
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).
Sound
Operator Sound Pressure (ISO 6396:2008):
72dB(A)
Average Exterior Sound Pressure (ISO 6395:2008):
99dB(A)
Note:
European Union Directive "2000/14/EC"
Sustainability
Recyclability:
96%
Specifications
Note:
The 309 CR VAB specifications are based on a machine configured with a Long (L) Undercarriage.
Standard Equipment
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
Optional Equipment
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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