Cat 309 CR VAB

Mini excavators

Hydraulische minigraafmachine 309 CR VAB

About the Cat 309 CR VAB

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.

Specifications

Engine

Net Power	70.3 HP
Engine Model	Cat C3.3B
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269	71.5 HP
Gross Power - ISO 14396	74.3 HP
Displacement	203 in³
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269	70.3 HP
Stroke	4.7 in
Bore	3.7 in

Weights

Operating Weight	20731 lb
Note (1)	*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.
Maximum Operating Weight with Cab*	21054 lb
Maximum Operating Weight with Cab**	20731 lb
Minimum Operating Weight with Cab*	19304 lb
Note	*Maximum Weight is based on steel tracks with rubber pads, 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, long stick, blade and no bucket.

Dimensions - VAB In

Dig Depth	154.8 in
Cab Height	99 in
Maximum Blade Depth	26.9 in
Maximum Blade Height	13.5 in
Stick Length	71.8 in
Maximum Reach	260.3 in
Tail Swing without Counterweight	57.1 in
Vertical Wall	133.6 in
Swing Bearing Height	31.4 in
Track Belt/Shoe Width	17.7 in
Boom Swing Right	37 in
Overall Track Width	97.2 in
Overall Shipping Length	227.2 in
Maximum Dump Clearance	143.4 in
Boom in Reach	112.3 in
Maximum Reach at Ground Level	252.1 in
Transport Height	99.6 in
Overall Undercarriage Length	126 in
Ground Clearance	13.5 in
Tail Swing with Counterweight	64.8 in
Maximum Dig Height	216.3 in
Boom Swing Left	24 in

Blade

Height	17 in
Width - Wide	103.9 in
Width - Standard	97.2 in

Hydraulic System

Operating Pressure - Travel	4134 psi
Auxiliary Circuit - Secondary - Flow	9 gal/min
Auxiliary Circuit - Primary (High Flow) - Pressure	4134 psi
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard	9500 lb
Auxiliary Circuit - Secondary - Pressure	4134 psi
Digging Force - Stick - Long	8023 lb
Digging Force - Bucket	13943 lb
Pump Flow at 2,400 rpm	62 gal/min
Auxiliary Circuit - Primary (High Flow) - Flow	37 gal/min
Operating Pressure - Swing	3626 psi
Operating Pressure - Equipment	4134 psi

Dimensions - Long Stick

Boom Swing - Right	37 in
Boom Swing - Left	24 in
Dig Depth	183.1 in
Stick Length	92.8 in
Maximum Reach - Ground Level	293.8 in
Maximum Blade Height	13.5 in
Cab Height	99 in
Transport Height	99 in
Boom In Reach	126.6 in
O/A Track Width	97.2 in
Ground Clearance	13.5 in
Swing Bearing - Height	28.7 in
Tail Swing without Counterweight	57.1 in
Tail Swing with Counterweight	64.8 in
Maximum Reach	300.7 in
Track Belt/Shoe Width	17.7 in
Vertical Wall	134.3 in
O/A Undercarriage Length	126 in
O/A Shipping Length	262.3 in
Maximum Dig Height	276.8 in
Maximum Dump Clearance	199.4 in
Maximum Blade Depth	26.9 in

Dimensions - VAB Out

Ground Clearance	13.5 in
Cab Height	99 in
Boom in Reach	117.9 in
Vertical Wall	138.7 in
Swing Bearing Height	31.4 in
Maximum Dump Clearance	251.6 in
Overall Undercarriage Length	126 in
Maximum Reach at Ground Level	304.4 in
Tail Swing without Counterweight	57.1 in
Maximum Reach	311 in
Track Belt/Shoe Width	17.7 in
Overall Shipping Length	281.8 in
Maximum Blade Depth	26.9 in
Maximum Dig Height	321.7 in
Overall Track Width	97.2 in
Tail Swing with Counterweight	64.8 in
Stick Length	71.8 in
Maximum Blade Height	13.5 in
Boom Swing Right	37 in
Boom Swing Left	24 in
Transport Height	96.5 in
Dig Depth	136.5 in

Dimensions - Standard Stick

Maximum Reach - Ground Level	273.6 in
Swing Bearing - Height	28.7 in
Stick Length	71.8 in
O/A Shipping Length	259 in
Maximum Blade Height	13.5 in
Boom In Reach	120.4 in
Tail Swing with Counterweight	64.8 in
Vertical Wall	118 in
Maximum Blade Depth	26.9 in
Ground Clearance	13.5 in
Maximum Reach	281.1 in
Transport Height	97.9 in
Cab Height	99 in
Boom Swing - Left	24 in
O/A Track Width	97.2 in
Boom Swing - Right	37 in
Maximum Dig Height	264.9 in
Tail Swing without Counterweight	57.1 in
Dig Depth	162 in
Maximum Dump Clearance	187.1 in
Track Belt/Shoe Width	17.7 in
O/A Undercarriage Length	126 in

Travel System

Ground Pressure - Minimum Weight	6 psi
Travel Speed - High	3.1 mile/h
Maximum Traction Force - High Speed	6497 lb
Travel Speed - Low	1.6 mile/h
Ground Pressure - Maximum Weight	6 psi
Maximum Traction Force - Low Speed	19064 lb
Gradeability - Maximum	30 degrees

Service Refill Capacities

Fuel Tank	39 gal (US)
Hydraulic System	28 gal (US)
Engine Oil	3 gal (US)
Cooling System	2.6 gal (US)
Hydraulic Tank	14 gal (US)

Swing System

Machine Swing Speed

10.6 r/min

Weight Increase from Minimum Configuration

Steel Tracks with Pads	728 lb
Long Stick	146 lb
Counterweight	552 lb

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.

Certification - Cab

Top Guard	ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS)	ISO 12117-2:2008
Tip Over Protective Structure (TOPS)	ISO 12117:1997

Sound

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”

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.

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.

Cat 309 CR VAB

About the Cat 309 CR VAB

Specifications

Engine

Weights

Dimensions - VAB In

Blade

Hydraulic System

Dimensions - Long Stick

Dimensions - VAB Out

Dimensions - Standard Stick

Travel System

Service Refill Capacities

Swing System

Weight Increase from Minimum Configuration

Specifications

Certification - Cab

Sound

Air Conditioning System