307.5 - Tier 4 / Stage V

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An extensive line of Cat® mini hydraulic excavators offers the performance to dig in and be productive on every job.

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Specifications

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 .90 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.

Blade

Height

17 in 431 mm
Width

90 in 2280 mm

Certification - Cab

Roll Over Protective Structure (ROPS)

ISO 12117-2:2008
Top Guard

ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)

ISO 12117:1997

Dimensions - Long Stick

Dig Depth

182.8 in 4642 mm
Cab Height

100 in 2541 mm
Maximum Blade Height

14.6 in 370 mm
Track Belt/Shoe Width

17.7 in 450 mm
Maximum Dump Clearance

225.1 in 5717 mm
O/A Undercarriage Length

108.7 in 2760 mm
O/A Track Width

86.6 in 2200 mm
Vertical Wall

161.9 in 4113 mm
Width over Upper House

88.6 in 2250 mm
Boom In Reach

88.6 in 2250 mm
Stick Length

86.9 in 2208 mm
Tail Swing with Counterweight

76 in 1930 mm
Maximum Reach

267.9 in 6805 mm
Ground Clearance

14.6 in 370 mm
Swing Bearing - Height

29.7 in 756 mm
Tail Swing without Counterweight

70.9 in 1800 mm
Maximum Dig Height

305.7 in 7765 mm
Maximum Blade Depth

16 in 407 mm
Maximum Reach - Ground Level

262.6 in 6670 mm
Height - Boom Transport - No Tools

100.4 in 2550 mm
Overall Shipping Length - without Counterweight

240.9 in 6120 mm
Overall Shipping Length - with Counterweight

246.1 in 6250 mm
Note (1)

Boom Height when stick is pinned in transport position with no attachments.
Height - Boom Working - With Tools

124 in 3150 mm
Note (2)

Boom Height when stick is pinned in working position with attachments.

Dimensions - Standard Stick

Tail Swing with Counterweight

76 in 1930 mm
Vertical Wall

141.6 in 3597 mm
Tail Swing without Counterweight

70.9 in 1800 mm
Stick Length

65.6 in 1665 mm
Boom In Reach

66.2 in 1681 mm
Track Belt/Shoe Width

17.7 in 450 mm
Ground Clearance

14.6 in 370 mm
O/A Track Width

86.6 in 2200 mm
Maximum Reach - Ground Level

242.1 in 6151 mm
O/A Undercarriage Length

108.7 in 2760 mm
Width over Upper House

88.6 in 2250 mm
Maximum Reach

247.9 in 6297 mm
Swing Bearing - Height

29.7 in 756 mm
Maximum Blade Height

14.6 in 370 mm
Maximum Blade Depth

16 in 407 mm
Dig Depth

161.4 in 4100 mm
Maximum Dump Clearance

208.6 in 5300 mm
Cab Height

100 in 2541 mm
Maximum Dig Height

289.3 in 7348 mm
Height - Boom Working - With Tools

107.5 in 2730 mm
Overall Shipping Length - with Counterweight

245.3 in 6230 mm
Note (2)

Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
Overall Shipping Length - without Counterweight

240.2 in 6100 mm
Height - Boom Transport - No Tools

101.2 in 2570 mm
Note (1)

Boom Height when stick is pinned in transport position with no attachments.

Engine

Net Power

54.8 hp 40.9 kW
Engine Model

Cat C2.4 Turbo
Displacement

148 in³ 2.43 l
Gross Power - SAE J1995:2014

57.9 hp 43.2 kW
Bore

3.4 in 87 mm
Stroke

4 in 102.4 mm
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269

54.8 hp 40.9 kW

Hydraulic System

Type

Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing

3626 psi 250 bar
Note

Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm

44 gal/min 167 l/min
Digging Force - Stick - Standard

8504 lb 37.8 kN
Operating Pressure - Travel

4134 psi 285 bar
Operating Pressure - Equipment

4134 psi 285 bar
Digging Force - Stick - Long

7579 lb 33.7 kN
Digging Force - Bucket

12272 lb 54.6 kN
Maximum Auxiliary Circuit - Secondary - Flow at Pump

9 gal/min 33 l/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump

4134 psi 285 bar
Maximum Auxiliary Circuit - Primary - Flow at Pump

35 gal/min 131 l/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump

4134 psi 285 bar

Service Refill Capacities

Cooling System

2.6 gal (US) 10 l
Hydraulic System

29 gal (US) 110 l
Hydraulic Tank

14 gal (US) 53 l
Fuel Tank

38 gal (US) 145 l
Engine Oil

2.5 gal (US) 9.5 l

Sound

Operator Sound Pressure (ISO 6396:2008)

72 dB(A) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)

98 dB(A) 98 dB(A)
Note

European Union Directive “2000/14/EC”

Sustainability

Recyclability

96%

Swing System

Machine Swing Speed

10 r/min 10 r/min

Travel System

Maximum Traction Force - Low Speed

14035 lb 62.4 kN
Maximum Traction Force - High Speed

5856 lb 26.1 kN
Travel Speed - High

3.1 mile/h 5 km/h
Ground Pressure - Maximum Weight

5.5 psi 37.7 kPa
Travel Speed - Low

1.9 mile/h 3.1 km/h
Gradeability - Maximum

30 degrees
Ground Pressure - Minimum Weight

5.1 psi 34.8 kPa

Weight Increase from Minimum Configuration

Long Stick

181 lb 82 kg
Counterweight

552 lb 250 kg
Steel Tracks with Pads

628 lb 285 kg

Weights

Operating Weight

17905 lb 8120 kg
Note (2)

**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Maximum Operating Weight with Cab**

17905 lb 8120 kg
Minimum Operating Weight with Cab*

16549 lb 7505 kg
Note (1)

*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

Benefits

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 Cat Stick Steer. 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 blade float allows for easy grading.

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.

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.

SUSTAINABILITY

The Cat® C2.4 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels up to: 20% biodiesel FAME (fatty acid methyl ester) * or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.
Auto Idle helps reduce unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.
Engine Idle Shutdown Timer reduces fuel burn, greenhouse gas emissions and unnecessary idle time by shutting down the machine after a pre-set idling period.
Cruise control helps you maintain a constant speed as you travel across your jobsite saving fuel and reducing greenhouse gas emissions.
The Cat® Seat Belt Reminder provides audible and visual warnings to remind operators to buckle up during machine operation. The easy-to-install system is compatible with all equipment brands to help ensure operator safety.
Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.
Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.(if equipped)
Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.(if equipped)
Cat Grade with advanced 2D and 3D technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy. (if equipped).

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel. (for use of blends higher than 20% biodiesel, consult your Cat dealer)

Equipment Info