309 CR VAB (Long Undercarriage)
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.
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.
Net Power
69.5 HP
Displacement
203 in³
Specification
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.
Specification
Value
Net Power
69.5 HP
Displacement
203 in³
Stroke
4.7 in
Bore
3.7 in
Gross Power - SAE J1995
74.3 HP
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 - 2,200 rpm - ISO 9249:2007, 80/1269/EEC
69.5 HP
Engine Model - U.S. EPA Tier 4 Final/EU Stage V
Cat C3.3B
Specification
Value
Operating Weight
21477 lb
Note (1)
*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.
Minimum Operating Weight*
20121 lb
Maximum Operating Weight*
21477 lb
Specification
Value
Steel Tracks with Pads
728 lb
Counterweight
552 lb
Standard Stick
77 lb
Specification
Value
Ground Pressure - Minimum Weight
5.1 psi
Travel Speed - High
3.1 mile/h
Maximum Traction Force - High Speed
6497 lbf
Travel Speed - Low
1.6 mile/h
Ground Pressure - Maximum Weight
5.5 psi
Maximum Traction Force - Low Speed
19064 lbf
Gradeability - Maximum
30 degrees
Specification
Value
Fuel Tank
39 gal (US)
Hydraulic System
29 gal (US)
Engine Oil
3 gal (US)
Cooling System
2.6 gal (US)
Hydraulic Tank
14 gal (US)
Specification
Value
Operating Pressure - Travel
4134 psi
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard
9509 lbf
Digging Force - Bucket
13946 lbf
Pump Flow at 2,400 rpm
62 gal/min
Operating Pressure - Swing
3626 psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment
4134 psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump
9 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump
35 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Primary (High Flow) - Pressure at Pump
4134 psi
Maximum Auxiliary Circuit - Primary (High Flow) - Flow at Pump
37 gal/min
Specification
Value
Machine Swing Speed
10.6 r/min
Boom Swing - Left
60 degrees
Boom Swing - Right
50 degrees
Specification
Value
Height
17 in
Width - Wide
103.9 in
Width - Standard
97.2 in
Specification
Value
Top Guard
ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Specification
Value
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A)
Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
Note
European Union Directive "2000/14/EC"
Specification
Value
Dig Depth
150.2 in
Cab Height
100 in
Maximum Blade Depth
19.1 in
Maximum Blade Height
16.1 in
Stick Length
71.7 in
Maximum Reach
256.5 in
Tail Swing without Counterweight
57.1 in
Vertical Wall
99.2 in
Swing Bearing Height
29.8 in
Track Belt/Shoe Width
17.7 in
Boom Swing Right
37 in
Overall Track Width
97.2 in
Overall Shipping Length
255.7 in
Maximum Dump Clearance
135.8 in
Boom in Reach
122.8 in
Maximum Reach at Ground Level
248 in
Transport Height
97.4 in
Overall Undercarriage Length
126 in
Ground Clearance
14 in
Tail Swing with Counterweight
62.4 in
Maximum Dig Height
205.5 in
Boom Swing Left
24 in
Specification
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.
Specification
Value
Ground Clearance
14 in
Cab Height
100 in
Boom in Reach
106.7 in
Vertical Wall
146.7 in
Swing Bearing Height
29.8 in
Maximum Dump Clearance
247.4 in
Overall Undercarriage Length
126 in
Maximum Reach at Ground Level
303.7 in
Tail Swing without Counterweight
57.1 in
Maximum Reach
310.4 in
Track Belt/Shoe Width
17.7 in
Overall Shipping Length
255.7 in
Maximum Blade Depth
19.1 in
Maximum Dig Height
322 in
Overall Track Width
97.2 in
Tail Swing with Counterweight
62.4 in
Stick Length
71.7 in
Maximum Blade Height
16.1 in
Boom Swing Right
37 in
Boom Swing Left
24 in
Transport Height
97.4 in
Dig Depth
136.2 in
Specification
Value
Recyclability
96%
- 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.
- Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.
- 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!
- Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, dig-to-blade allows easy clean up and long undercarriage provides improved stability.
- 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.
- 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.
- 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.
- 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.
- Dedicated auxiliary hydraulic pump is ideal for running power-hungry attachments while allowing the machine to simultaneously travel and multifunction. This feature allows consistent pressure to the auxiliary lines with no loss of hydraulic power keeping your attachment running at full power maintaining optimal productivity.
- The Cat® C3.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
- Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
- Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
- Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
- Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
- The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
- Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
- Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
- Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
- Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).
1312 mm (52 in)
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