305.5E2 CR

Specifications
Equipment
Related Products

Engine
Engine Model	Cat® C2.4
Net Power	44.1 HP / 32.9 kW
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269	44.1 HP / 32.9 kW
Bore	3.4 in / 87 mm
Displacement	146 in³ / 2.4 l
Stroke	4 in / 102.4 mm
Emissions	Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396	45.7 HP / 34.1 kW

Weights*
Operating Weight	11958 lb / 5423 kg
Weight - Canopy, Standard Stick	11503 lb / 5217 kg
Note	*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick	11958 lb / 5423 kg
Weight - Cab, Standard Stick	11863 lb / 5380 kg
Weight - Canopy, Long Stick	11596 lb / 5259 kg

Travel System
Maximum Traction Force - High Speed	6025 lb / 26.8 kN
Maximum Traction Force - Low Speed	10746 lb / 47.8 kN
Travel Speed - High	2.8 mile/h / 4.5 km/h
Travel Speed - Low	1.7 mile/h / 2.8 km/h
Gradeability - Maximum	30°
Ground Pressure - Cab	4.6 psi / 31.9 kPa
Ground Pressure - Canopy	4.5 psi / 31 kPa

Hydraulic System
Auxiliary Circuit - Primary (186 bar/2,734 psi)	21.1 gal/min / 80 l/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)	6.6 gal/min / 25 l/min
Digging Force - Stick - Long	5575 lb / 24.8 kN
Digging Force - Stick - Standard	6500 lb / 28.9 kN
Operating Pressure - Equipment	3553 psi / 245 bar
Operating Pressure - Swing	3132 psi / 216 bar
Operating Pressure - Travel	3553 psi / 245 bar
Pump Flow at 2,400 rpm	39.6 gal/min / 150 l/min
Digging Force - Bucket	11445 lb / 50.9 kN
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System
Machine Swing Speed	10 r/min
Boom Swing - Left - With Stop*	60°
Boom Swing - Left - Without Stop*	80°
Boom Swing - Right	50°
Note	*Automatic swing brake, spring applied, hydraulic release.

Blade
Width	78 in / 1980 mm
Height	14.8 in / 375 mm
Dig Depth	21.9 in / 555 mm
Lift Height	15.9 in / 405 mm

Service Refill Capacities
Cooling System	2.8 gal (US) / 10.5 l
Engine Oil	2.5 gal (US) / 9.5 l
Fuel Tank	16.6 gal (US) / 63 l
Hydraulic System	20.6 gal (US) / 78 l
Hydraulic Tank	18 gal (US) / 68.3 l

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 1.4 metric tonnes.

Cab
Dynamic Operator Sound Pressure Level (ISO 6396:2008)	81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*	97 dB(A)
Note	*European Union Directive “2000/14/EC”

Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)	ISO 12117-2
Tip Over Protective Structure (TOPS)	ISO 12117
Top Guard	ISO 10262 (Level I)

Dimensions - Long Stick
Boom Height - Shipping Position	85 in / 2150 mm
Boom In Reach	100 in / 2530 mm
Boom Swing - Left	27 in / 695 mm
Boom Swing - Right	31 in / 785 mm
Dig Depth	152 in / 3870 mm
Maximum Blade Depth	22 in / 555 mm
Maximum Blade Height	16 in / 405 mm
Maximum Dig Height	220 in / 5590 mm
Maximum Dump Clearance	161 in / 4080 mm
Maximum Reach	243 in / 6170 mm
Maximum Reach - Ground Level	237 in / 6020 mm
O/A Shipping Height	100 in / 2550 mm
O/A Shipping Length	215 in / 5460 mm
O/A Track Width	78 in / 1980 mm
O/A Undercarriage Length	102 in / 2580 mm
Swing Bearing - Height	24 in / 615 mm
Tail Swing	44 in / 1130 mm
Track Belt/Shoe Width	16 in / 400 mm
Vertical Wall	107 in / 2730 mm

Dimensions - Standard Stick
Boom Height - Shipping Position	69 in / 1740 mm
Boom In Reach	94 in / 2400 mm
Boom Swing - Left	27 in / 695 mm
Boom Swing - Right	31 in / 785 mm
Dig Depth	137 in / 3470 mm
Maximum Blade Depth	22 in / 555 mm
Maximum Blade Height	16 in / 405 mm
Maximum Dig Height	210 in / 5330 mm
Maximum Dump Clearance	150 in / 3820 mm
Maximum Reach	228 in / 5790 mm
Maximum Reach - Ground Level	222 in / 5630 mm
O/A Shipping Height	100 in / 2550 mm
O/A Shipping Length	210 in / 5330 mm
O/A Track Width	78 in / 1980 mm
O/A Undercarriage Length	102 in / 2580 mm
Swing Bearing - Height	24 in / 615 mm
Tail Swing	44 in / 1130 mm
Track Belt/Shoe Width	16 in / 400 mm
Vertical Wall	92 in / 2330 mm

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)
Blade Down - Front	5710 lb / 2590 kg
Blade Down - Side	2844 lb / 1290 kg
Blade Up - Front	3417 lb / 1550 kg
Blade Up - Side	2535 lb / 1150 kg

Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)
Blade Down - Front	3042 lb / 1380 kg
Blade Down - Side	1521 lb / 690 kg
Blade Up - Front	1808 lb / 820 kg
Blade Up - Side	1367 lb / 620 kg

Operating Specifications
Counterweight	364.4 lb / 165.3 kg
Stick Length - Long	70 in / 1820 mm
Stick Length - Standard	55 in / 1420 mm

Undercarriage
Number of Carrier Rollers	1
Number of Track Rollers	4
Track Roller Type	Center Flange

Standard Equipment

ENGINE
- Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Diesel Particulate Filter (North America only)
- Diesel Oxidation Catalyst (North America only)
- Fuel and water separator
- Power on demand
HYDRAULIC SYSTEM
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
OPERATOR ENVIRONMENT
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- COMPASS: complete, operation, maintenance, performance and security system
  - Multiple languages
- Cup holder
- Hydraulic neutral lockout bar
- Literature holder
- Pattern changer (optional in Europe)
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
UNDERCARRIAGE
- Dozer blade with float function
- Track, rubber belt, 400 mm (16 in) width
- Tie down eyes on track frame
- Towing eye on base frame
FRONT LINKAGE
- 200 degree bucket rotation
- Certified lifting eye on bucket linkage (optional in Europe)
- Front shovel capable
- Thumb ready stick
ELECTRICAL
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
LIGHTS AND MIRRORS
- Boom light with time delay capability
SAFETY AND SECURITY
- Anti-theft system (COMPASS)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level 1)
- Travel alarm (optional in Europe)
TECHNOLOGY
- Product Link™

Optional Equipment

ENGINE
- Engine block heater
HYDRAULIC SYSTEM
- Quick coupler lines
- Boom lowering check valve
- Stick lowering check valve
- Secondary auxiliary hydraulic lines
OPERATOR ENVIRONMENT
- Cab:
  - Air conditioning
  - Heat
  - High back suspension seat
  - Interior light
  - Interlocking front window system
  - Radio
  - Windshield wiper
UNDERCARRIAGE
- Power angle blade
- Track, double grouser (steel), 400 mm (16 in)
- Track, double grouser (steel) with rubber pad, 400 mm (16 in)
FRONT LINKAGE
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
  - Auger, hammer, ripper
LIGHTS AND MIRRORS
- Light, cab with time delay capability
- Mirror, canopy right
- Mirror, canopy left
- Mirror, cab rear
SAFETY AND SECURITY
- Battery disconnect
- Beacon socket
- Front wire mesh guard
- Rearview camera
- Vandal guard
OTHER ATTACHMENTS

Flail Mowers

Flail Mowers are ideal for efficient cutting and mulching of vegetation and overgrowth.

Model	Working Width	Required Hydraulics	Drive Method
HMF110	40 in / 1000 mm	Standard Flow	V-Belt Drive

Heavy Duty Buckets - Mini Excavator

High strength buckets designed for maximum performance and value over a broad range of applications.

Model	Width	Rated Capacity	Weight
305 mm (12 in)	12 in / 305 mm	2.1 ft³ / 59.5 l	156.5 lb / 71 kg
406 mm (16 in)	16 in / 406 mm	2.7 ft³ / 76.5 l	174.2 lb / 79 kg
457 mm (18 in)	18 in / 457 mm	3.1 ft³ / 87.8 l	194 lb / 88 kg
508 mm (20 in)	20 in / 508 mm	3.6 ft³ / 101.9 l	207.2 lb / 94 kg
619 mm (24 in)	24.4 in / 619 mm	4.6 ft³ / 130.3 l	233.7 lb / 106 kg
762 mm (30 in)	30 in / 762 mm	6.1 ft³ / 172.7 l	280 lb / 127 kg
914 mm (36 in)	36 in / 914 mm	7.8 ft³ / 220.9 l	321.9 lb / 146 kg

Heavy Duty Capacity Buckets - Mini Excavator

Optimized geometry provides maximum digging force and material volume for heavy-duty applications.

Model	Width	Rated Capacity	Weight
305 mm (12 in)	12 in / 305 mm	2.9 ft³ / 82.1 l	185.2 lb / 84 kg
406 mm (16 in)	16 in / 406 mm	3.7 ft³ / 104.8 l	205 lb / 93 kg
457 mm (18 in)	18 in / 457 mm	4.4 ft³ / 124.6 l	227.1 lb / 103 kg
508 mm (20 in)	20 in / 508 mm	5.1 ft³ / 144.4 l	240.3 lb / 109 kg
619 mm (24 in)	24.4 in / 619 mm	6.4 ft³ / 181.2 l	271.2 lb / 123 kg
762 mm (30 in)	30 in / 762 mm	8.5 ft³ / 240.7 l	321.9 lb / 146 kg
914 mm (36 in)	36 in / 914 mm	10.6 ft³ / 300.2 l	368.2 lb / 167 kg

Augers

Designed to drill holes for footings, fencing, signs and trees.

Model	Drive Shaft Torque at Maximum Pressure	Drive Method	Mounting Bracket Design
A19B	3040 lb/ft / 4120 N·m	Gerotor Motor - Single Planetary Reduction	Mini Hydraulic Excavator
A26B	5040 lb/ft / 6830 N·m	Gerotor Motor - Double Planetary Reduction	Mini Hydraulic Excavator

Ditch Cleaning Buckets - Mini Excavator

Used in ditch cleaning, sloping, grading and other finishing work.

Model	Width	Rated Capacity	Weight
1000 mm (40 in)	39.4 in / 1000 mm	6 ft³ / 169.9 l	258.6 lb / 117.3 kg
1300 mm (51 in)	51.2 in / 1300 mm	7.8 ft³ / 220.3 l	260.6 lb / 118.2 kg
1600 mm (63 in)	63 in / 1600 mm	9.9 ft³ / 279.8 l	306.7 lb / 139.1 kg

Grading Buckets - Mini Excavator

For cleaning ditches, sloping, grading and other finishing work.

Model	Width	Rated Capacity	Weight
1200 mm (47 in)	47.2 in / 1200 mm	9.18 ft³ / 259.9 l	410.6 lb / 186.2 kg
1500 mm (59 in)	59.1 in / 1500 mm	11.65 ft³ / 329.9 l	491.4 lb / 222.9 kg

Tilting Ditch Cleaning Buckets - Mini Excavator