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["thumbnail"]=> string(111) "" ["features"]=> array(40) { ["14059121**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C091604" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(29) "Comfort and Ease of Operation" ["short_description"]=> string(99) "Class leading space and top level features contribute to a comfortable and productive environment ." ["long_description"]=> string(202) "Cab or canopy, the 303.5C CR offers a spacious and comfortable work area with expansive legroom. Compact radius design gives greater machine versatility and the capability to work within confined areas." } ["14059127**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(25) "Impressive Cab Dimensions" ["short_description"]=> string(233) "The CR C Series gives the operator a comfortable and spacious working environment with excellent visibility. The clear flat floor space and superior operator legroom provide high levels of operator comfort and help minimize fatigue ." ["long_description"]=> string(0) "" } ["14059128**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(25) "Optional Air Conditioning" ["short_description"]=> string(88) "Optional air conditioning or fan and sun blind package offers further operator comfort ." ["long_description"]=> string(0) "" } ["14059122**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(16) "Sliding Cab Door" ["short_description"]=> string(120) "The sliding door system offers good access and maintains the machine's compact dimensions to reduce the risk of damage ." ["long_description"]=> string(0) "" } ["14059123**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(29) "Fully Pilot Operated Controls" ["short_description"]=> string(174) "Pilot operated controls on all services including travel levers and dozer function ensure that "as new" levels of controllability are maintained throughout the machine life ." ["long_description"]=> string(0) "" } ["14059125**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(28) "Automatic Two Speed Function" ["short_description"]=> string(143) "Improves machine maneuverability around the job site. Increased productivity by balancing high speed travel requirements with controllability ." ["long_description"]=> string(0) "" } ["14059126**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(51) "Joystick Mounted Auxiliary and Boom Swing Functions" ["short_description"]=> string(102) "The new joystick mounted position of these functions gives œfingertip control and a clear cab floor ." ["long_description"]=> string(0) "" } ["14059129**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(21) "Compact Radius Design" ["short_description"]=> string(289) "Compact radius design gives greater machine versatility and the capability to work within confined areas. The radius of the upper body stays within the width of the undercarriage so the operator can concentrate on the work being done without having to worry about the back of the machine ." ["long_description"]=> string(0) "" } ["14059124**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(39) "High Level of Standard Comfort Features" ["short_description"]=> string(128) "Reclining suspension seat, power point, adjustable wrist rests and a cup holder are standard features on the Cat C CR machines ." ["long_description"]=> string(0) "" } ["14059095**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(27) "Performance and Versatility" ["short_description"]=> string(103) "The range of CatŪ buckets and hydraulically powered tools are machine matched to optimize performance ." ["long_description"]=> string(199) "High dig forces, fast cycle times and high bucket rotation angles deliver the productivity that customers demand. A choice of stick lengths and Cat Work Tools makes the 303.5C CR even more versatile." } ["14059101**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C143712" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(33) "Exceptionally High Digging Forces" ["short_description"]=> string(124) "High digging forces and fast cycle times ensure that the Cat 303.5C CR delivers the productivity demanded by our customers ." ["long_description"]=> string(0) "" } ["14059199**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(19) "Turbocharged Engine" ["short_description"]=> string(156) "Three cylinder diesel engine in the 303.5C CR provides massive power, coupled with a variable displacement pump, making it ideal for work at high altitude ." ["long_description"]=> string(0) "" } ["14059104**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(13) "Stick Options" ["short_description"]=> string(79) "A choice of standard or long stick enables matching of machine to application ." ["long_description"]=> string(0) "" } ["14059103**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C080612" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(12) "Bucket Angle" ["short_description"]=> string(95) "High rotation bucket angle combines good spoil retention and flat back trench characteristics ." ["long_description"]=> string(0) "" } ["14059099**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C091611" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(24) "Wide Range of Work Tools" ["short_description"]=> string(288) "These tools are designed to get the best out of the machine and deliver excellent value through high productivity and long life. Tools include:
  • Digging buckets
  • Ditch cleaning buckets
  • Angling ditching buckets
  • Hydraulic hammers
  • Augers
" ["long_description"]=> string(0) "" } ["14059097**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C091609" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(30) "Auxiliary Lines and Connectors" ["short_description"]=> string(212) "The auxiliary lines and connectors including quick connections are fitted as standard, meaning the 303.5C CR comes ready to work. Hammer (one-way) and auger (two-way) auxiliary lines are also fitted as standard ." ["long_description"]=> string(0) "" } ["14059100**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C080615" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(24) "Mechanical Quick Coupler" ["short_description"]=> string(223) "The Cat Quick Coupler makes tool changes fast and easy. Maximizing performance and compatible with all standard work tools. Work tool versatility is further enhanced with the option of a second additional auxiliary supply ." ["long_description"]=> string(0) "" } ["14059102**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(26) "Dozer Blade Float Function" ["short_description"]=> string(131) "The dozer float enables easy ground levelling for landscaping and finishing applications, as well as more efficient site clean-up ." ["long_description"]=> string(0) "" } ["14059106**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C147807" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(19) "Low Operating Costs" ["short_description"]=> string(108) "Good access to main check points and major components makes servicing and maintaining the 303.5C CR easier ." ["long_description"]=> string(215) "Robust, reliable and easily serviced are key attributes of the C Series CR design. Service points are easily accessed through rear door and side cover, and a 500-hour engine oil change period lowers operating costs." } ["14059107**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(19) "Swing Out Rear Door" ["short_description"]=> string(189) "Provides access to major components and service points:
  • Engine oil check and fill
  • Vertically mounted engine oil filter
  • Starter motor
  • Alternator
" ["long_description"]=> string(0) "" } ["14059109**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(41) "S·O·SSM Oil Sampling Valve" ["short_description"]=> string(74) "Allows easy sampling of the hydraulic fluid for preventative maintenance ." ["long_description"]=> string(0) "" } ["14059111**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(37) "500 Hour Oil and Filter Change Period" ["short_description"]=> string(47) "Reduces operating costs and machine down time ." ["long_description"]=> string(0) "" } ["14059108**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(17) "Lifting Side Hood" ["short_description"]=> string(223) "Allows excellent access to:
  • Air filter
  • Main implement valve
  • Auxiliary change over valve
  • Accumulator
  • Fuel filter
  • Hydraulic tank
  • Radiator and oil cooler
" ["long_description"]=> string(0) "" } ["14059112**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(13) "Front Linkage" ["short_description"]=> string(102) "Protected front linkage lines are routed above the boom and stick to help reduce damage and downtime ." ["long_description"]=> string(0) "" } ["14059113**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(13) "End Dampening" ["short_description"]=> string(149) "End dampening on both boom and stick cylinders reduces shock loading, increasing component life and improving soil retention when loading at height ." ["long_description"]=> string(0) "" } ["14059114**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(14) "Liner Bearings" ["short_description"]=> string(103) "Liner bearings in the swing casting deliver longer component life and reduced parts replacement costs ." ["long_description"]=> string(0) "" } ["14059087**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(25) "Angle Blade Configuration" ["short_description"]=> string(79) "Increased versatility and productivity are offered with the CatŪ angle blade . " ["long_description"]=> string(154) "The versatility and productivity of the Cat C Series machine can be made even more productive by ordering the hydraulic angling dozer blade configuration." } ["14059088**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C143922" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(28) "Versatility and Productivity" ["short_description"]=> string(104) "The Cat C Series machine can be increased even further by ordering the angle dozer blade configuration ." ["long_description"]=> string(0) "" } ["14059093**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C143921" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(18) "Strong and Durable" ["short_description"]=> string(155) "The Cat hydraulic angle blade is engineered to be strong and durable with a hardened steel wear edge and good protection to cylinders and hydraulic lines ." ["long_description"]=> string(0) "" } ["14059094**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C143874" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(23) "Angle Blade Positioning" ["short_description"]=> string(208) "The angle blade can be positioned straight ahead or angled up to 25 degrees to the left or right reducing the number of times required to back-up and reposition when backfilling thus reducing operation time ." ["long_description"]=> string(0) "" } ["14059091**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(20) "Single Control Lever" ["short_description"]=> string(215) "All dozer functions are controlled from inside the cab, with fully proportional fingertip control to position the blade at any angle, from the start to 25 degrees left or right while travelling in either direction ." ["long_description"]=> string(0) "" } ["14059092**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(18) "Full Pilot Control" ["short_description"]=> string(150) "Full pilot control means no cables or linkages to wear, keeping as new controllability throughout the machines life and reducing maintenance costs ." ["long_description"]=> string(0) "" } ["14059089**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(68) "Load Sensing Hydraulics, High Traction Force and Auto 2-Speed Travel" ["short_description"]=> string(140) "These features are standard on the Cat C Series CR machines and ideally suited for getting the best out of the angling blade installation . " ["long_description"]=> string(0) "" } ["14059090**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C144623" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(26) "Excellent Blade Visibility" ["short_description"]=> string(266) "The compact radius design of the Cat C Series machine gives excellent visibility to the blade in any position, allowing the blade to be positioned behind the operator and away from the front linkage for better access when back dragging and finishing in tight areas ." ["long_description"]=> string(0) "" } ["14059115**"]=> array(6) { ["img"]=> string(111) "" ["image_id"]=> string(7) "C053804" ["image_type"]=> string(5) "1 2**" ["heading"]=> string(16) "Customer Support" ["short_description"]=> string(74) "Industry-leading customer support is provided by the CatŪ dealer network ." ["long_description"]=> string(180) "Caterpillar dealers offer unmatched customer support with excellent equipment management services and fast parts availability, resulting in maximum uptime and minimum repair costs." } ["14059116**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(9) "Selection" ["short_description"]=> string(249) "Make detailed comparisons of the machines under consideration before you purchase. Your Cat dealer can give you precise answers to your questions, as well as estimate component life, preventive maintenance cost and the true cost of lost production ." ["long_description"]=> string(0) "" } ["14059117**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(8) "Purchase" ["short_description"]=> string(317) "Look past initial price. Consider the flexible financing options available, as well as day-to-day operating costs. Look at dealer services that can be included in the cost of the machine to yield lower equipment owning and operating costs over the long haul. Your Cat dealer can provide a package to meet your needs ." ["long_description"]=> string(0) "" } ["14059118**"]=> array(5) { ["image_id"]=> string(0) "" ["image_type"]=> NULL ["heading"]=> string(9) "Operation" ["short_description"]=> string(169) "Improving operating techniques can boost your profits. Your Cat dealer has training literature, video tapes, classes and other ideas to help increase your productivity ." 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  • S·O·SSM and Coolant Sampling and Technical Analysis
  • Maintenance contracts
  • Scheduled technical inspections
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Products

Caterpillar Equipment

303.5C CR Mini Hydraulic Excavator

Engineered by Cat to deliver high levels of productivity, versatility and serviceability .


Comfort and Ease of Operation


Cab or canopy, the 303.5C CR offers a spacious and comfortable work area with expansive legroom. Compact radius design gives greater machine versatility and the capability to work within confined areas.

Impressive Cab Dimensions


Optional Air Conditioning


Sliding Cab Door


Fully Pilot Operated Controls


Automatic Two Speed Function


Joystick Mounted Auxiliary and Boom Swing Functions


Compact Radius Design


High Level of Standard Comfort Features


Performance and Versatility


High dig forces, fast cycle times and high bucket rotation angles deliver the productivity that customers demand. A choice of stick lengths and Cat Work Tools makes the 303.5C CR even more versatile.

Exceptionally High Digging Forces


Turbocharged Engine


Stick Options


Bucket Angle


Wide Range of Work Tools


Auxiliary Lines and Connectors


Mechanical Quick Coupler


Dozer Blade Float Function


Low Operating Costs


Robust, reliable and easily serviced are key attributes of the C Series CR design. Service points are easily accessed through rear door and side cover, and a 500-hour engine oil change period lowers operating costs.

Swing Out Rear Door


S·O·SSM Oil Sampling Valve


500 Hour Oil and Filter Change Period


Lifting Side Hood


Front Linkage


End Dampening


Liner Bearings


Angle Blade Configuration


The versatility and productivity of the Cat C Series machine can be made even more productive by ordering the hydraulic angling dozer blade configuration.

Versatility and Productivity


Strong and Durable


Angle Blade Positioning


Single Control Lever


Full Pilot Control


Load Sensing Hydraulics, High Traction Force and Auto 2-Speed Travel


Excellent Blade Visibility


Customer Support


Caterpillar dealers offer unmatched customer support with excellent equipment management services and fast parts availability, resulting in maximum uptime and minimum repair costs.

Selection


Purchase


Operation


Equipment Maintenance Services


Unmatched Product Support



Engine

Engine model

Mitsubishi S3Q2-T

Net power

39 hp

Gross power

40.5 hp

Weights

Operating weight

8356 lb

Operating weight with cab

8620 lb

Dimensions

Max digging depth - standard stick

10.3 ft

Max reach ground level - standard stick

17.2 ft

Engine Dimensions

Bore

3.5 in

Stroke

4.1 in

Displacement

116 in3

Travel System

Travel speed - high

2.9 mph

Travel speed - low

1.6 mph

Gradeability (max) - high

30 Degrees

Hydraulic System

Operating pressures - equipment

3553 psi

Operating pressure - travel

3553 psi

Operating pressure - swing

2625 psi

Auxiliary circuit - primary (245 bar, 3550 psi)

15.9 gal/min

Digging forces - stick (standard)

4856 lb

Digging force - stick (long)

4384 lb

Digging force - bucket

8498 lb

Swing System

Machine swing speed

9 RPM

Boom swing - left (without stop)

70 Degrees

Boom swing - left (with stop)

55 Degrees

Boom Swing - right

50 Degrees

Sound Levels

Canopy

80 dB(A)

Cab

78 dB(A)

Blade

Width

70 in

Height

13 in

Dig depth

18 in

Lift height

16 in

Service Refill Capacities

Cooling system

1.6 gal

Engine oil

1.6 gal

Fuel tank

13.5 gal

Hydraulic tank

9.8 gal

Hydraulic system

17.2 gal

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