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14567889
- Machines
- Excavators
- Mini excavators (ton.)
- 306 CR VAB Mini Hydraulic Excavator
15699596
306 CR VAB Mini Hydraulic Excavator
Cat
Metric
Imperial
Net Power
41.7 kW
55.9 hp
Operating Weight
7150 kg
15766 lb
Dig Depth
2975 mm
117.1 in
Availability
The Cat® 306 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.
4 Industry First Features
Cat Exclusives in a Mini ExcavatorUp to 10% Lower Total Ownership Costs
with improved fuel efficiency and longer service intervalsUp to 20% More Performance
with customizable operator settings and improvements in lift, swing, travel and multifunctionALL DAY COMFORT
EASY TO OPERATE
STICK STEER TRAVEL MODE
SAFETY ON THE JOB SITE
SIMPLE SERVICE FOR LESS DOWNTIME
LOWER OPERATING COSTS
UNMATCHED DEALER SUPPORT
- The 306 CR VAB features a sealed and pressurized cab 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 Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. Travel with improved ergonomics, less effort and improved control is in your hands!
Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. An optional back-up camera, courtesy work lights and a fluorescent retractable seat belt with optional seat belt reminder system 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.
Engine
Net Power | 41.7 kW | 55.9 hp |
Displacement | 2.43 l | 148 in³ |
Bore | 87 mm | 3.4 in |
Engine Model | Cat C2.4 Turbo | |
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 41.7 kW | 55.9 hp |
Gross Power - ISO 14396 | 43.2 kW | 57.9 hp |
Note 1 | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. | |
Stroke | 102.4 mm | 4 in |
Note 2 | Advertised power is tested per the specific standard in effect at the time of manufacture. |
Weights
Operating Weight | 7150 kg | 15766 lb |
Note (2) | **Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, straight blade and no bucket. | |
Maximum Operating Weight with Cab** | 7248 kg | 15982 lb |
Minimum Operating Weight with Cab* | 6575 kg | 14498 lb |
Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket. |
Dimensions - VAB In
Dig Depth | 2975 mm | 117.1 in |
Tail Swing with Counterweight | 58 mm | 1475 in |
Ground Clearance | 306 mm | 12 in |
Boom Swing Right | 910 mm | 36 in |
Swing Bearing Height | 672 mm | 27 in |
Boom Swing Left | 735 mm | 29 in |
Maximum Blade Depth | 24 mm | 600 in |
Maximum Dig Height | 118.3 mm | 3005 in |
Maximum Blade Height | 415 mm | 16 in |
Track Belt/Shoe Width | 400 mm | 16 in |
Boom in Reach | 3276 mm | 129 in |
Overall Track Width | 78 mm | 1980 in |
Vertical Wall | 1470 mm | 57.9 in |
Cab Height | 2545 mm | 100 in |
Tail Swing without Counterweight | 1350 mm | 53 in |
Maximum Reach | 153.9 mm | 3910 in |
Maximum Reach at Ground Level | 3595 mm | 141.5 in |
Stick Length | 1580 mm | 62 in |
Overall Undercarriage Length | 2580 mm | 102 in |
Maximum Dump Clearance | 100.4 mm | 2550 in |
Overall Shipping Length with Counterweight without Attachment* | 5295 mm | 208.5 in |
Overall Shipping Length without Counterweight with Attachment* | 5430 mm | 213.8 in |
Overall Shipping Length without Counterweight without Attachment* | 5170 mm | 203.5 in |
Boom Height in Shipping Position with Attachment* | 2405 mm | 94.7 in |
Boom Height in Shipping Position without Attachment* | 2405 mm | 94.7 in |
Width Over Upper House | 1950 mm | 77 in |
Overall Shipping Length with Counterweight with Attachment* | 5555 mm | 218.7 in |
Weight Increase from Minimum Configuration
Long Stick | 44 kg | 97 lb |
Steel Tracks with Pads | 375 kg | 827 lb |
Counterweight | 250 kg | 551 lb |
Travel System
Travel Speed - High | 5 km/h | 3.1 mile/h |
Ground Pressure - Minimum Weight | 35.9 kPa | 5.2 psi |
Maximum Traction Force - High Speed | 31 kN | 6969 lbf |
Maximum Traction Force - Low Speed | 56 kN | 12589 lbf |
Travel Speed - Low | 2.8 km/h | 1.7 mile/h |
Ground Pressure - Maximum Weight | 39.5 kPa | 5.7 psi |
Gradeability - Maximum | 30 degrees |
Service Refill Capacities
Hydraulic Tank | 53 l | 14 gal (US) |
Engine Oil | 8 l | 2.1 gal (US) |
Fuel Tank | 130 l | 34.3 gal (US) |
Hydraulic System | 104 l | 27.5 gal (US) |
Cooling System | 10 l | 2.6 gal (US) |
Hydraulic System
Auxiliary Circuit - Primary - Flow | 90 l/min | 24 gal/min |
Auxiliary Circuit - Primary - Pressure | 24500 kPa | 3553 psi |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | |
Operating Pressure - Equipment | 24500 kPa | 3553 psi |
Digging Force - Stick - Long | 25.9 kN | 5823 lbf |
Auxiliary Circuit - Secondary - Pressure | 24500 kPa | 3553 psi |
Operating Pressure - Swing | 22500 kPa | 3263 psi |
Operating Pressure - Travel | 24500 kPa | 3553 psi |
Digging Force - Stick - Standard | 28.6 kN | 6430 lbf |
Auxiliary Circuit - Secondary - Flow | 33 l/min | 9 gal/min |
Digging Force - Bucket | 51.5 kN | 11578 lbf |
Pump Flow at 2,400 rpm | 151 l/min | 40 gal/min |
Swing System
Boom Swing - Right | 65 degrees | |
Boom Swing - Left | 60 degrees | |
Machine Swing Speed | 11 r/min | 11 r/min |
Blade
Straight Blade Height | 390 mm | 15.4 in |
Straight Blade Width | 1980 mm | 78 in |
Certification - Cab
Top Guard | ISO 10262:1998 - Level II (Optional) |
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) | 99 dB(A) |
Note | European Union Directive “2000/14/EC” | |
Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | 72 dB(A) |
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 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes. |
Dimensions - VAB Out
Vertical Wall | 129.5 mm | 3290 in |
Ground Clearance | 12 mm | 306 in |
Boom in Reach | 104 mm | 2642 in |
Dig Depth | 155.1 mm | 3940 in |
Cab Height | 100 mm | 2545 in |
Tail Swing with Counterweight | 58 mm | 1475 in |
Maximum Reach at Ground Level | 6705 mm | 264 in |
Maximum Dump Clearance | 5155 mm | 203 in |
Maximum Blade Height | 415 mm | 16 in |
Boom Swing Left | 735 mm | 29 in |
Maximum Reach | 6855 mm | 269.9 in |
Maximum Blade Depth | 600 mm | 24 in |
Swing Bearing Height | 672 mm | 27 in |
Stick Length | 78 mm | 1980 in |
Boom Swing Right | 36 mm | 910 in |
Tail Swing without Counterweight | 53 mm | 1350 in |
Overall Track Width | 78 mm | 1980 in |
Track Belt/Shoe Width | 400 mm | 16 in |
Overall Undercarriage Length | 2580 mm | 102 in |
Maximum Dig Height | 263 mm | 6680 in |
Width Over Upper House | 1950 mm | 77 in |
Overall Shipping Length with Counterweight without Attachment* | 5295 mm | 208.5 in |
Boom Height in Shipping Position without Attachment* | 2405 mm | 94.7 in |
Overall Shipping Length without Counterweight without Attachment* | 5170 mm | 203.5 in |
Boom Height in Shipping Position with Attachment* | 2405 mm | 94.7 in |
Overall Shipping Length without Counterweight with Attachment* | 5430 mm | 213.8 in |
Overall Shipping Length with Counterweight with Attachment* | 5555 mm | 218.7 in |
Dimensions - Long Stick - VAB Out
Tail Swing without Counterweight | 1350 mm | 53 in |
Maximum Reach at Ground Level | 7100 mm | 279.5 in |
Overall Shipping Length with Counterweight with Attachment* | 5960 mm | 234.6 in |
Boom Swing Right | 910 mm | 36 in |
Ground Clearance | 306 mm | 12 in |
Overall Shipping Length without Counterweight without Attachment* | 5205 mm | 204.9 in |
Maximum Blade Height | 415 mm | 16 in |
Overall Shipping Length without Counterweight with Attachment* | 5835 mm | 229.7 in |
Tail Swing with Counterweight | 1475 mm | 58 in |
Swing Bearing Height | 672 mm | 27 in |
Stick Length | 1980 mm | 78 in |
Overall Track Width | 1980 mm | 78 in |
Width Over Upper House | 1950 mm | 77 in |
Track Belt/Shoe Width | 400 mm | 16 in |
Boom Swing Left | 735 mm | 29 in |
Overall Shipping Length with Counterweight without Attachment* | 5330 mm | 209.8 in |
Overall Undercarriage Length | 2580 mm | 102 in |
Cab Height | 2545 mm | 100 in |
Boom Height in Shipping Position without Attachment* | 2440 mm | 96.1 in |
Boom in Reach | 3144 mm | 123.8 in |
Maximum Dump Clearance | 5465 mm | 215.2 in |
Dig Depth | 4340 mm | 170.9 in |
Maximum Reach | 7240 mm | 285 in |
Maximum Blade Depth | 600 mm | 24 in |
Maximum Dig Height | 6995 mm | 275.4 in |
Vertical Wall | 3720 mm | 146.5 in |
Dimensions - Long Stick - VAB In
Dig Depth | 3240 mm | 127.6 in |
Boom Height in Shipping Position without Attachment* | 2440 mm | 96.1 in |
Cab Height | 2545 mm | 100 in |
Boom Swing Left | 735 mm | 29 in |
Tail Swing without Counterweight | 1350 mm | 53 in |
Track Belt/Shoe Width | 400 mm | 16 in |
Ground Clearance | 306 mm | 12 in |
Maximum Blade Depth | 600 mm | 24 in |
Overall Shipping Length without Counterweight with Attachment* | 5835 mm | 5205 mm |
Maximum Blade Height | 415 mm | 16 in |
Overall Shipping Length with Counterweight without Attachment* | 5330 mm | 209.8 in |
Maximum Dump Clearance | 2480 mm | 97.6 in |
Width Over Upper House | 1950 mm | 77 in |
Overall Shipping Length without Counterweight with Attachment* | 229.7 in | 204.9 in |
Stick Length | 1580 mm | 62 in |
Maximum Reach at Ground Level | 3980 mm | 156.7 in |
Vertical Wall | 1895 mm | 74.6 in |
Boom in Reach | 3341 mm | 131.5 in |
Maximum Dig Height | 2960 mm | 116.5 in |
Swing Bearing Height | 672 mm | 27 in |
Overall Undercarriage Length | 2580 mm | 102 in |
Tail Swing with Counterweight | 1475 mm | 58 in |
Overall Track Width | 1980 mm | 78 in |
Overall Shipping Length with Counterweight with Attachment* | 5960 mm | 234.6 in |
Boom Swing Right | 910 mm | 36 in |
Maximum Reach | 4255 mm | 167.5 in |
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306 CR VAB Mini Hydraulic Excavator
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