4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

Mini Excavators 306 CR VAB

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Key Specs

Net Power: 55.9 HP; 41.7 kW

Operating Weight: 15766 lb; 7150 kg

Dig Depth: 117.1 in; 2975 mm

306 CR VAB
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Overview

Mini Excavators Inspired by Our Customers

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.

Benefits

4 Industry First Features

Cat Exclusives in a Mini Excavator

Up to 10% Lower Total Ownership Costs

with improved fuel efficiency and longer service intervals

Up to 20% More Performance

with customizable operator settings and improvements in lift, swing, travel and multifunction

Features At A Glance

ALL DAY COMFORT

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.

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 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!

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. 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.

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.

UNMATCHED DEALER SUPPORT

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.

Specifications Standard Equipment Optional Equipment

Product Specifications for 306 CR VAB

Engine

Net Power	55.9 HP 41.7 kW
Displacement	148 in³ 2.43 l
Bore	3.4 in 87 mm
Engine Model	Cat C2.4 Turbo Cat C2.4 Turbo
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269	55.9 HP 41.7 kW
Gross Power - ISO 14396	57.9 HP 43.2 kW
Note 1	Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Stroke	4 in 102.4 mm
Note 2	Advertised power is tested per the specific standard in effect at the time of manufacture. Advertised power is tested per the specific standard in effect at the time of manufacture.

Weights

Operating Weight	15766 lb 7150 kg
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 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**	15982 lb 7248 kg
Minimum Operating Weight with Cab*	14498 lb 6575 kg
Note (1)	Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket. Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket.

Weight Increase from Minimum Configuration

Long Stick	97 lb 44 kg
Steel Tracks with Pads	827 lb 375 kg
Counterweight	551 lb 250 kg

Travel System

Travel Speed - High	3.1 mile/h 5 km/h
Ground Pressure - Minimum Weight	5.2 psi 35.9 kPa
Maximum Traction Force - High Speed	6969 lbf 31 kN
Maximum Traction Force - Low Speed	12589 lbf 56 kN
Travel Speed - Low	1.7 mile/h 2.8 km/h
Ground Pressure - Maximum Weight	5.7 psi 39.5 kPa
Gradeability - Maximum	30 degrees 30 degrees

Service Refill Capacities

Hydraulic Tank	14 gal (US) 53 l
Engine Oil	2.1 gal (US) 8 l
Fuel Tank	34.3 gal (US) 130 l
Hydraulic System	27.5 gal (US) 104 l
Cooling System	2.6 gal (US) 10 l

Hydraulic System

Auxiliary Circuit - Primary - Flow	24 gal/min 90 l/min
Auxiliary Circuit - Primary - Pressure	3553 psi 24500 kPa
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment	3553 psi 24500 kPa
Digging Force - Stick - Long	5823 lbf 25.9 kN
Auxiliary Circuit - Secondary - Pressure	3553 psi 24500 kPa
Operating Pressure - Swing	3263 psi 22500 kPa
Operating Pressure - Travel	3553 psi 24500 kPa
Digging Force - Stick - Standard	6430 lbf 28.6 kN
Auxiliary Circuit - Secondary - Flow	9 gal/min 33 l/min
Digging Force - Bucket	11578 lbf 51.5 kN
Pump Flow at 2,400 rpm	40 gal/min 151 l/min

Swing System

Boom Swing - Right	65 degrees 65 degrees
Boom Swing - Left	60 degrees 60 degrees
Machine Swing Speed	11 r/min 11 r/min

Blade

Straight Blade Height	15.4 in 390 mm
Straight Blade Width	78 in 1980 mm

Certification - Cab

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

Sound

Average Exterior Sound Pressure (ISO 6395:2008)	99 dB(A) 99 dB(A)
Note	European Union Directive “2000/14/EC” 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. 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 In

Dig Depth	117.1 in 2975 mm
Tail Swing with Counterweight	1475 in 58 mm
Ground Clearance	12 in 306 mm
Boom Swing Right	36 in 910 mm
Swing Bearing Height	27 in 672 mm
Boom Swing Left	29 in 735 mm
Maximum Blade Depth	600 in 24 mm
Maximum Dig Height	3005 in 118.3 mm
Maximum Blade Height	16 in 415 mm
Track Belt/Shoe Width	16 in 400 mm
Boom in Reach	129 in 3276 mm
Overall Track Width	1980 in 78 mm
Vertical Wall	57.9 in 1470 mm
Cab Height	100 in 2545 mm
Tail Swing without Counterweight	53 in 1350 mm
Maximum Reach	3910 in 153.9 mm
Maximum Reach at Ground Level	141.5 in 3595 mm
Stick Length	62 in 1580 mm
Overall Undercarriage Length	102 in 2580 mm
Maximum Dump Clearance	2550 in 100.4 mm
Overall Shipping Length with Counterweight without Attachment*	208.5 in 5295 mm
Overall Shipping Length without Counterweight with Attachment*	213.8 in 5430 mm
Overall Shipping Length without Counterweight without Attachment*	203.5 in 5170 mm
Boom Height in Shipping Position with Attachment*	94.7 in 2405 mm
Boom Height in Shipping Position without Attachment*	94.7 in 2405 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length with Counterweight with Attachment*	218.7 in 5555 mm

Dimensions - VAB Out

Vertical Wall	3290 in 129.5 mm
Ground Clearance	306 in 12 mm
Boom in Reach	2642 in 104 mm
Dig Depth	3940 in 155.1 mm
Cab Height	2545 in 100 mm
Tail Swing with Counterweight	1475 in 58 mm
Maximum Reach at Ground Level	264 in 6705 mm
Maximum Dump Clearance	203 in 5155 mm
Maximum Blade Height	16 in 415 mm
Boom Swing Left	29 in 735 mm
Maximum Reach	269.9 in 6855 mm
Maximum Blade Depth	24 in 600 mm
Swing Bearing Height	27 in 672 mm
Stick Length	1980 in 78 mm
Boom Swing Right	910 in 36 mm
Tail Swing without Counterweight	1350 in 53 mm
Overall Track Width	1980 in 78 mm
Track Belt/Shoe Width	16 in 400 mm
Overall Undercarriage Length	102 in 2580 mm
Maximum Dig Height	6680 in 263 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length with Counterweight without Attachment*	208.5 in 5295 mm
Boom Height in Shipping Position without Attachment*	94.7 in 2405 mm
Overall Shipping Length without Counterweight without Attachment*	203.5 in 5170 mm
Boom Height in Shipping Position with Attachment*	94.7 in 2405 mm
Overall Shipping Length without Counterweight with Attachment*	213.8 in 5430 mm
Overall Shipping Length with Counterweight with Attachment*	218.7 in 5555 mm

Dimensions - Long Stick - VAB Out

Tail Swing without Counterweight	53 in 1350 mm
Maximum Reach at Ground Level	279.5 in 7100 mm
Overall Shipping Length with Counterweight with Attachment*	234.6 in 5960 mm
Boom Swing Right	36 in 910 mm
Ground Clearance	12 in 306 mm
Overall Shipping Length without Counterweight without Attachment*	204.9 in 5205 mm
Maximum Blade Height	16 in 415 mm
Overall Shipping Length without Counterweight with Attachment*	229.7 in 5835 mm
Tail Swing with Counterweight	58 in 1475 mm
Swing Bearing Height	27 in 672 mm
Stick Length	78 in 1980 mm
Overall Track Width	78 in 1980 mm
Width Over Upper House	77 in 1950 mm
Track Belt/Shoe Width	16 in 400 mm
Boom Swing Left	29 in 735 mm
Overall Shipping Length with Counterweight without Attachment*	209.8 in 5330 mm
Overall Undercarriage Length	102 in 2580 mm
Cab Height	100 in 2545 mm
Boom Height in Shipping Position without Attachment*	96.1 in 2440 mm
Boom in Reach	123.8 in 3144 mm
Maximum Dump Clearance	215.2 in 5465 mm
Dig Depth	170.9 in 4340 mm
Maximum Reach	285 in 7240 mm
Maximum Blade Depth	24 in 600 mm
Maximum Dig Height	275.4 in 6995 mm
Vertical Wall	146.5 in 3720 mm

Dimensions - Long Stick - VAB In

Dig Depth	127.6 in 3240 mm
Boom Height in Shipping Position without Attachment*	96.1 in 2440 mm
Cab Height	100 in 2545 mm
Boom Swing Left	29 in 735 mm
Tail Swing without Counterweight	53 in 1350 mm
Track Belt/Shoe Width	16 in 400 mm
Ground Clearance	12 in 306 mm
Maximum Blade Depth	24 in 600 mm
Overall Shipping Length without Counterweight with Attachment*	5205 mm 5835 mm
Maximum Blade Height	16 in 415 mm
Overall Shipping Length with Counterweight without Attachment*	209.8 in 5330 mm
Maximum Dump Clearance	97.6 in 2480 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length without Counterweight with Attachment*	204.9 in 229.7 in
Stick Length	62 in 1580 mm
Maximum Reach at Ground Level	156.7 in 3980 mm
Vertical Wall	74.6 in 1895 mm
Boom in Reach	131.5 in 3341 mm
Maximum Dig Height	116.5 in 2960 mm
Swing Bearing Height	27 in 672 mm
Overall Undercarriage Length	102 in 2580 mm
Tail Swing with Counterweight	58 in 1475 mm
Overall Track Width	78 in 1980 mm
Overall Shipping Length with Counterweight with Attachment*	234.6 in 5960 mm
Boom Swing Right	36 in 910 mm
Maximum Reach	167.5 in 4255 mm

306 CR VAB Standard Equipment

OPERATOR ENVIRONMENT – CAB

Top Guard ISO 10262 1998 Level I

ROPS ISO 12117-2:2008

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

Hydraulic Lockout Controls

High Back, Suspension Seat

Retractable Seat Belt (75 mm/3 in)

Coat Hook

Cup Holder

Literature Holder

Mounting Bosses for Top and Front Guards

Signaling/Warning Horn

Cab and (left side) Boom Work Lights

Utility Space for Mobile Phone

Next Generation Color LCD Monitor (IP66)
– 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

OPERATOR ENVIRONMENT – CAB ONLY

Operator Sound Pressure 72 dB(A) ISO 6396:2008

HVAC with Automatic Temperature Control

Integrated Lower Front Window

Assisted Front Window Overhead Storage

Rear Window Emergency Exit

LED Interior Light

12V Power Socket

Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only)

Skylight

Jog dial interface

UNDERCARRIAGE

Greased and Lubricated Track

Hydraulic Track Adjusters

Tie Down Eyes on Track Frame

Dozer Straight Blade

Dozer Float

Bolt-on, Reversible Wear Edge

Rubber Tracks

BOOM, STICK AND LINKAGES

Variable Angle Boom

Standard Stick (1580 mm/62.2 in)

Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools

Thumb Ready

2nd Auxiliary Hydraulic Lines

Boom Lowering Check Valve

Stick Lowering Check Valve

ELECTRICAL

12 Volt Electrical System

90 Ampere Alternator

650 CCA Maintenance Free Battery

Battery Disconnect

Circuit Breaker

Ignition Key Stop Switch

Signaling/Warning Horn

Product Link™ Basic (regulations apply)

Travel Alarm

OTHER

Locks on External Enclosure Doors

Lockable Fuel Cap

Beacon Socket

Rear Reflectors

306 CR VAB Optional Equipment

OPERATOR ENVIRONMENT – CAB

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

Seat Belt Reminder System

OPERATOR ENVIRONMENT – CAB ONLY

Cab Heat Only

Air Suspension Heated Seat

UNDERCARRIAGE

Angle Blade

Extra Tool Carrier (XTC)

Steel Tracks (450 mm/17.7 in wide)

Steel Track with Rubber Pads

BOOM, STICK AND LINKAGES

Long Stick (190 mm/78 in)

Attachments including Buckets, Augers and Hammers

Certified Lifting Eye

ELECTRICAL

Product Link Elite (regulations apply)

Camera

Rotating Beacon

GUARDING

Heavy Duty Front Guard ISO 10262 1998 Level II

Mesh Front Guard ISO 10262 1998 Level I

Overhead Cab Guard ISO 10262 1998 Level II

Polycarbonate Front Window EN356 P5A (Cab Only)

Track Guards

OTHER

Additional Counterweight

Water Jacket Heater

Refueling Pump

Product Specifications for 306 CR VAB

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Engine

Net Power	55.9 HP 41.7 kW
Displacement	148 in³ 2.43 l
Bore	3.4 in 87 mm
Engine Model	Cat C2.4 Turbo Cat C2.4 Turbo
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269	55.9 HP 41.7 kW
Gross Power - ISO 14396	57.9 HP 43.2 kW
Note 1	Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Stroke	4 in 102.4 mm
Note 2	Advertised power is tested per the specific standard in effect at the time of manufacture. Advertised power is tested per the specific standard in effect at the time of manufacture.

Weights

Operating Weight	15766 lb 7150 kg
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 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**	15982 lb 7248 kg
Minimum Operating Weight with Cab*	14498 lb 6575 kg
Note (1)	Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket. Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade and no bucket.

Weight Increase from Minimum Configuration

Long Stick	97 lb 44 kg
Steel Tracks with Pads	827 lb 375 kg
Counterweight	551 lb 250 kg

Travel System

Travel Speed - High	3.1 mile/h 5 km/h
Ground Pressure - Minimum Weight	5.2 psi 35.9 kPa
Maximum Traction Force - High Speed	6969 lbf 31 kN
Maximum Traction Force - Low Speed	12589 lbf 56 kN
Travel Speed - Low	1.7 mile/h 2.8 km/h
Ground Pressure - Maximum Weight	5.7 psi 39.5 kPa
Gradeability - Maximum	30 degrees 30 degrees

Service Refill Capacities

Hydraulic Tank	14 gal (US) 53 l
Engine Oil	2.1 gal (US) 8 l
Fuel Tank	34.3 gal (US) 130 l
Hydraulic System	27.5 gal (US) 104 l
Cooling System	2.6 gal (US) 10 l

Hydraulic System

Auxiliary Circuit - Primary - Flow	24 gal/min 90 l/min
Auxiliary Circuit - Primary - Pressure	3553 psi 24500 kPa
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment	3553 psi 24500 kPa
Digging Force - Stick - Long	5823 lbf 25.9 kN
Auxiliary Circuit - Secondary - Pressure	3553 psi 24500 kPa
Operating Pressure - Swing	3263 psi 22500 kPa
Operating Pressure - Travel	3553 psi 24500 kPa
Digging Force - Stick - Standard	6430 lbf 28.6 kN
Auxiliary Circuit - Secondary - Flow	9 gal/min 33 l/min
Digging Force - Bucket	11578 lbf 51.5 kN
Pump Flow at 2,400 rpm	40 gal/min 151 l/min

Swing System

Boom Swing - Right	65 degrees 65 degrees
Boom Swing - Left	60 degrees 60 degrees
Machine Swing Speed	11 r/min 11 r/min

Blade

Straight Blade Height	15.4 in 390 mm
Straight Blade Width	78 in 1980 mm

Certification - Cab

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

Sound

Average Exterior Sound Pressure (ISO 6395:2008)	99 dB(A) 99 dB(A)
Note	European Union Directive “2000/14/EC” European Union Directive “2000/14/EC”
Operator Sound Pressure (ISO 6396:2008)	72 dB(A) 72 dB(A)

Air Conditioning System

Air Conditioning

Dimensions - VAB In

Dig Depth	117.1 in 2975 mm
Tail Swing with Counterweight	1475 in 58 mm
Ground Clearance	12 in 306 mm
Boom Swing Right	36 in 910 mm
Swing Bearing Height	27 in 672 mm
Boom Swing Left	29 in 735 mm
Maximum Blade Depth	600 in 24 mm
Maximum Dig Height	3005 in 118.3 mm
Maximum Blade Height	16 in 415 mm
Track Belt/Shoe Width	16 in 400 mm
Boom in Reach	129 in 3276 mm
Overall Track Width	1980 in 78 mm
Vertical Wall	57.9 in 1470 mm
Cab Height	100 in 2545 mm
Tail Swing without Counterweight	53 in 1350 mm
Maximum Reach	3910 in 153.9 mm
Maximum Reach at Ground Level	141.5 in 3595 mm
Stick Length	62 in 1580 mm
Overall Undercarriage Length	102 in 2580 mm
Maximum Dump Clearance	2550 in 100.4 mm
Overall Shipping Length with Counterweight without Attachment*	208.5 in 5295 mm
Overall Shipping Length without Counterweight with Attachment*	213.8 in 5430 mm
Overall Shipping Length without Counterweight without Attachment*	203.5 in 5170 mm
Boom Height in Shipping Position with Attachment*	94.7 in 2405 mm
Boom Height in Shipping Position without Attachment*	94.7 in 2405 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length with Counterweight with Attachment*	218.7 in 5555 mm

Dimensions - VAB Out

Vertical Wall	3290 in 129.5 mm
Ground Clearance	306 in 12 mm
Boom in Reach	2642 in 104 mm
Dig Depth	3940 in 155.1 mm
Cab Height	2545 in 100 mm
Tail Swing with Counterweight	1475 in 58 mm
Maximum Reach at Ground Level	264 in 6705 mm
Maximum Dump Clearance	203 in 5155 mm
Maximum Blade Height	16 in 415 mm
Boom Swing Left	29 in 735 mm
Maximum Reach	269.9 in 6855 mm
Maximum Blade Depth	24 in 600 mm
Swing Bearing Height	27 in 672 mm
Stick Length	1980 in 78 mm
Boom Swing Right	910 in 36 mm
Tail Swing without Counterweight	1350 in 53 mm
Overall Track Width	1980 in 78 mm
Track Belt/Shoe Width	16 in 400 mm
Overall Undercarriage Length	102 in 2580 mm
Maximum Dig Height	6680 in 263 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length with Counterweight without Attachment*	208.5 in 5295 mm
Boom Height in Shipping Position without Attachment*	94.7 in 2405 mm
Overall Shipping Length without Counterweight without Attachment*	203.5 in 5170 mm
Boom Height in Shipping Position with Attachment*	94.7 in 2405 mm
Overall Shipping Length without Counterweight with Attachment*	213.8 in 5430 mm
Overall Shipping Length with Counterweight with Attachment*	218.7 in 5555 mm

Dimensions - Long Stick - VAB Out

Tail Swing without Counterweight	53 in 1350 mm
Maximum Reach at Ground Level	279.5 in 7100 mm
Overall Shipping Length with Counterweight with Attachment*	234.6 in 5960 mm
Boom Swing Right	36 in 910 mm
Ground Clearance	12 in 306 mm
Overall Shipping Length without Counterweight without Attachment*	204.9 in 5205 mm
Maximum Blade Height	16 in 415 mm
Overall Shipping Length without Counterweight with Attachment*	229.7 in 5835 mm
Tail Swing with Counterweight	58 in 1475 mm
Swing Bearing Height	27 in 672 mm
Stick Length	78 in 1980 mm
Overall Track Width	78 in 1980 mm
Width Over Upper House	77 in 1950 mm
Track Belt/Shoe Width	16 in 400 mm
Boom Swing Left	29 in 735 mm
Overall Shipping Length with Counterweight without Attachment*	209.8 in 5330 mm
Overall Undercarriage Length	102 in 2580 mm
Cab Height	100 in 2545 mm
Boom Height in Shipping Position without Attachment*	96.1 in 2440 mm
Boom in Reach	123.8 in 3144 mm
Maximum Dump Clearance	215.2 in 5465 mm
Dig Depth	170.9 in 4340 mm
Maximum Reach	285 in 7240 mm
Maximum Blade Depth	24 in 600 mm
Maximum Dig Height	275.4 in 6995 mm
Vertical Wall	146.5 in 3720 mm

Dimensions - Long Stick - VAB In

Dig Depth	127.6 in 3240 mm
Boom Height in Shipping Position without Attachment*	96.1 in 2440 mm
Cab Height	100 in 2545 mm
Boom Swing Left	29 in 735 mm
Tail Swing without Counterweight	53 in 1350 mm
Track Belt/Shoe Width	16 in 400 mm
Ground Clearance	12 in 306 mm
Maximum Blade Depth	24 in 600 mm
Overall Shipping Length without Counterweight with Attachment*	5205 mm 5835 mm
Maximum Blade Height	16 in 415 mm
Overall Shipping Length with Counterweight without Attachment*	209.8 in 5330 mm
Maximum Dump Clearance	97.6 in 2480 mm
Width Over Upper House	77 in 1950 mm
Overall Shipping Length without Counterweight with Attachment*	204.9 in 229.7 in
Stick Length	62 in 1580 mm
Maximum Reach at Ground Level	156.7 in 3980 mm
Vertical Wall	74.6 in 1895 mm
Boom in Reach	131.5 in 3341 mm
Maximum Dig Height	116.5 in 2960 mm
Swing Bearing Height	27 in 672 mm
Overall Undercarriage Length	102 in 2580 mm
Tail Swing with Counterweight	58 in 1475 mm
Overall Track Width	78 in 1980 mm
Overall Shipping Length with Counterweight with Attachment*	234.6 in 5960 mm
Boom Swing Right	36 in 910 mm
Maximum Reach	167.5 in 4255 mm

306 CR VAB Standard Equipment

OPERATOR ENVIRONMENT – CAB

Top Guard ISO 10262 1998 Level I

ROPS ISO 12117-2:2008

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

Hydraulic Lockout Controls

High Back, Suspension Seat

Retractable Seat Belt (75 mm/3 in)

Coat Hook

Cup Holder

Literature Holder

Mounting Bosses for Top and Front Guards

Signaling/Warning Horn

Cab and (left side) Boom Work Lights

Utility Space for Mobile Phone

Next Generation Color LCD Monitor (IP66)
– 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

OPERATOR ENVIRONMENT – CAB ONLY

Operator Sound Pressure 72 dB(A) ISO 6396:2008

HVAC with Automatic Temperature Control

Integrated Lower Front Window

Assisted Front Window Overhead Storage

Rear Window Emergency Exit

LED Interior Light

12V Power Socket

Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only)

Skylight

Jog dial interface

UNDERCARRIAGE

Greased and Lubricated Track

Hydraulic Track Adjusters

Tie Down Eyes on Track Frame

Dozer Straight Blade

Dozer Float

Bolt-on, Reversible Wear Edge

Rubber Tracks

BOOM, STICK AND LINKAGES

Variable Angle Boom

Standard Stick (1580 mm/62.2 in)

Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools

Thumb Ready

2nd Auxiliary Hydraulic Lines

Boom Lowering Check Valve

Stick Lowering Check Valve

ELECTRICAL

12 Volt Electrical System

90 Ampere Alternator

650 CCA Maintenance Free Battery

Battery Disconnect

Circuit Breaker

Ignition Key Stop Switch

Signaling/Warning Horn

Product Link™ Basic (regulations apply)

Travel Alarm

OTHER

Locks on External Enclosure Doors

Lockable Fuel Cap

Beacon Socket

Rear Reflectors

306 CR VAB Optional Equipment

OPERATOR ENVIRONMENT – CAB

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

Seat Belt Reminder System

OPERATOR ENVIRONMENT – CAB ONLY

Cab Heat Only

Air Suspension Heated Seat

UNDERCARRIAGE

Angle Blade

Extra Tool Carrier (XTC)

Steel Tracks (450 mm/17.7 in wide)

Steel Track with Rubber Pads

BOOM, STICK AND LINKAGES

Long Stick (190 mm/78 in)

Attachments including Buckets, Augers and Hammers

Certified Lifting Eye

ELECTRICAL

Product Link Elite (regulations apply)

Camera

Rotating Beacon

GUARDING

Heavy Duty Front Guard ISO 10262 1998 Level II

Mesh Front Guard ISO 10262 1998 Level I

Overhead Cab Guard ISO 10262 1998 Level II

Polycarbonate Front Window EN356 P5A (Cab Only)

Track Guards

OTHER

Additional Counterweight

Water Jacket Heater

Refueling Pump

See how 306 CR VAB compares against frequently compared products.

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306 CR VAB

Net Power: 55.9 HP; 41.7 kW
Operating Weight: 15766 lb; 7150 kg
Dig Depth: 117.1 in; 2975 mm

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306 CR

Net Power: 55.9 HP; 41.7 kW
Operating Weight: 15766 lb; 7150 kg
Dig Depth: 162 in; 4110 mm

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307.5

Net Power: 54.8 HP; 40.9 kW
Operating Weight: 17905 lb; 8120 kg
Dig Depth: 182.8 in; 4642 mm

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306 CR VAB Mini Hydraulic Excavator

Take the interactive virtual product tour to explore the great features and benefits of the 306 CR VAB

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Compatible Technology and Services

Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.

Equipment Management

VisionLink®

VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

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VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.

Explore Technology