Mini Excavators 307.5

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Key Specs

Engine Model: Cat C2.4 Turbo; Cat C2.4 Turbo

Net Power: 46.8 hp; 34.9 kW

Operating Weight: 17886 lb; 8113 kg

307.5
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Overview

Mini Excavators Inspired by Our Customers

The Cat® 307.5 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of 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

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.

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 the Cat Stick Steer option. 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!

Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, and dig-to-blade allows for easy clean up.

Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent retractable seat belt 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.

Specifications Standard Equipment Optional Equipment

Product Specifications for 307.5

Engine

Engine Model	Cat C2.4 Turbo Cat C2.4 Turbo
Net Power	46.8 hp 34.9 kW
Displacement	148 in³ 2.43 l
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269	46.8 hp 34.9 kW
Bore	3.4 in 87 mm
Stroke	4 in 102 mm
Gross Power - ISO 14396	48.9 hp 36.5 kW

Weights

Operating Weight	17886 lb 8113 kg
Minimum Operating Weight with Cab*	16543 lb 7504 kg
Note (2)	Maximum Weight is based on steel tracks, extra counterweight operator, full fuel tank, standard stick, blade and bucket. Maximum Weight is based on steel tracks, extra counterweight operator, full fuel tank, standard stick, blade and bucket.
Maximum Operating Weight with Cab**	17886 lb 8113 kg
Note (1)	Minimum Weight is based on steel tracks, no extra counterweight, operator, full fuel tank, standard stick and bucket. Minimum Weight is based on steel tracks, no extra counterweight, operator, full fuel tank, standard stick and bucket.

Blade

Height	17 in 431 mm
Width	89.8 in 2280 mm

Travel System

Travel Speed - High	3.1 mile/h 5 km/h
Maximum Traction Force - High Speed	5856 lb 26.1 kN
Ground Pressure - Minimum Weight	4.7 psi 32.6 kPa
Travel Speed - Low	1.9 mile/h 3.1 km/h
Gradeability - Maximum	30 degrees 30 degrees
Maximum Traction Force - Low Speed	14035 lb 62.4 kN
Ground Pressure - Maximum Weight	5.1 psi 35.2 kPa

Dimensions - Standard Stick

Maximum Reach - Ground Level	242 in 6152 mm
Tail Swing without Extra Counterweight	71 in 1800 mm
Maximum Dig Height	289 in 7341 mm
Boom In Reach	66 in 1681 mm
O/A Shipping Length	242 in 6144 mm
Tail Swing with Counterweight	78.5 in 1995 mm
Maximum Blade Height	14 in 363 mm
Width over Upper House	88.6 in 2250 mm
Ground Clearance	15 in 370 mm
Maximum Reach	248 in 6297 mm
Track Belt/Shoe Width	18 in 450 mm
Boom Swing - Left	0 ° 0 °
O/A Track Width	87 in 2200 mm
Cab Height	100 in 2534 mm
Maximum Dump Clearance	208 in 5293 mm
Swing Bearing - Height	30 in 756 mm
Dig Depth	162 in 4107 mm
Maximum Blade Depth	16 in 414 mm
O/A Undercarriage Length	109 in 1760 mm
Boom Swing - Right	0 ° 0 °
Tail Swing without Counterweight	71 in 1800 mm
Transport Height	101 in 2558 mm
Vertical Wall	142 in 3604 mm
Stick Length	66 in 1665 mm
Tail Swing with Extra Counterweight	79 in 1995 mm

Service Refill Capacities

Fuel Tank	38 gal (US) 145 l
Engine Oil	2.5 gal (US) 9.5 l
Hydraulic Tank	14 gal (US) 53 l
Cooling System	2.6 gal (US) 10 l
Hydraulic System	27 gal (US) 104 l

Hydraulic System

Digging Force - Stick - Standard	8504 lb 37.8 kN
Auxiliary Circuit - Secondary - Pressure	4134 psi 285 bar
Digging Force - Stick - Long	7579 lb 33.7 kN
Auxiliary Circuit - Secondary - Flow	9 gpm 33 L/min
Operating Pressure - Swing	3626 psi 250 bar
Auxiliary Circuit - Primary - Pressure	4134 psi 285 bar
Pump Flow at 2,400 rpm	44 gpm 167 L/min
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment	4134 psi 285 bar
Operating Pressure - Travel	4134 psi 285 bar
Auxiliary Circuit - Primary - Flow	35 gpm 131 L/min
Digging Force - Bucket	12272 lb 54.6 kN

Certification - Cab

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

Weight Increase from Minimum Configuration

Steel Tracks with Pads	661 lb 300 kg
Blade	734 lb 333 kg
Extra Counterweight	551 lb 250 kg
Long Stick	146 lb 66 kg
Counterweight	552 lb 250 kg

Dimensions - Long Stick

Tail Swing with Counterweight	78.5 in 1995 mm
Boom Swing - Right	0 ° 0 °
Width over Upper House	88.6 in 2250 mm
Boom Swing - Left	0 ° 0 °

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 â€œ2000/14/ECâ€ European Union Directive â€œ2000/14/ECâ€

Swing System

Machine Swing Speed

10 r/min 10 r/min

307.5 Standard Equipment

ENGINE

Automatic Swing Brake

Automatic Engine Shutdown

Automatic Engine Idle

Cat C2.4 Diesel Engine (China Nonroad Stage III) – Mechanical Engine, Turbo

Fuel Water Separator with Indicator

Automatic Two Speed Travel

Radial Seal – Double Element Air Filter

Extended Life Coolant, –37° C

HYDRAULICS

Power On Demand

Variable Displacement Piston Pump

Smart Tech Electronic Pump

Hydro Advanced Hydraulic Oil

Hydraulic Temperature Monitoring

Load Sensing/Flow Sharing Hydraulics

Certified Accumulator

OPERATOR ENVIRONMENT

ROPS – ISO 12117-2:2008

Mounting Bosses for Top and Front Guards

Top Guard – ISO 10262:1998 (Level II)

Fabric, High Back, Suspension Seat

Literature Holder

LED Interior Light

Assisted Front Window Overhead Storage

Hydraulic Lockout Controls

Cup Holder

Control Pattern Changer

Color LCD Monitor
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Hour Meter with Wake Up Switch
– Jog Dial Control Interface

Skylight

Retractable Seat Belt (51 mm)

Travel Pedals and Hand Levers

Adjustable Wrist Rests

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

Cat Key with Passcode Option

Molded Footrests

Rear Window Emergency Exit

Removable, Washable Floor Mat

HVAC with Automatic Temperature Control

Stick Steer Mode

TOPS – ISO 12117:1997

Radio – Bluetooth®, USB, Auxiliary, Microphone

Coat Hook

Sealed and Pressurized Cab

12V Power Socket

UNDERCARRIAGE

Tie Down Eyes on Track Frame

Hydraulic Track Adjusters

Greased and Lubricated Track

Steel Tracks (450 mm wide)

BOOM, STICK AND LINKAGES

One Piece Boom (3700 mm)

Standard Stick (1665 mm)

Front Shovel Capable

ELECTRICAL

12 Volt Electrical System

90 Ampere Alternator

850 CCA Maintenance Free Battery

Circuit Breaker

Ignition Key Stop Switch

Signaling/Warning Horn

Product Link™ Elite Lite (regulations apply)

307.5 Optional Equipment

OPERATOR ENVIRONMENT

Premium Monitor Package with Rear Camera

Security Key/Push to Start

ELECTRICAL

Travel Alarm

Rear Light

OTHER

Steel Tracks (600 mm wide)

Hammers

Counterweight, Extra

One-Way Auxiliary

Two-Way Auxiliary

Dozer Blade, Blade Float

Center Track Guard

Radiator Screen Guard

Water Jacket Heater

Ecology Drain for Engine

Product Specifications for 307.5

Download Print

Engine

Engine Model	Cat C2.4 Turbo Cat C2.4 Turbo
Net Power	46.8 hp 34.9 kW
Displacement	148 in³ 2.43 l
Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269	46.8 hp 34.9 kW
Bore	3.4 in 87 mm
Stroke	4 in 102 mm
Gross Power - ISO 14396	48.9 hp 36.5 kW

Weights

Operating Weight	17886 lb 8113 kg
Minimum Operating Weight with Cab*	16543 lb 7504 kg
Note (2)	Maximum Weight is based on steel tracks, extra counterweight operator, full fuel tank, standard stick, blade and bucket. Maximum Weight is based on steel tracks, extra counterweight operator, full fuel tank, standard stick, blade and bucket.
Maximum Operating Weight with Cab**	17886 lb 8113 kg
Note (1)	Minimum Weight is based on steel tracks, no extra counterweight, operator, full fuel tank, standard stick and bucket. Minimum Weight is based on steel tracks, no extra counterweight, operator, full fuel tank, standard stick and bucket.

Blade

Height	17 in 431 mm
Width	89.8 in 2280 mm

Travel System

Travel Speed - High	3.1 mile/h 5 km/h
Maximum Traction Force - High Speed	5856 lb 26.1 kN
Ground Pressure - Minimum Weight	4.7 psi 32.6 kPa
Travel Speed - Low	1.9 mile/h 3.1 km/h
Gradeability - Maximum	30 degrees 30 degrees
Maximum Traction Force - Low Speed	14035 lb 62.4 kN
Ground Pressure - Maximum Weight	5.1 psi 35.2 kPa

Dimensions - Standard Stick

Maximum Reach - Ground Level	242 in 6152 mm
Tail Swing without Extra Counterweight	71 in 1800 mm
Maximum Dig Height	289 in 7341 mm
Boom In Reach	66 in 1681 mm
O/A Shipping Length	242 in 6144 mm
Tail Swing with Counterweight	78.5 in 1995 mm
Maximum Blade Height	14 in 363 mm
Width over Upper House	88.6 in 2250 mm
Ground Clearance	15 in 370 mm
Maximum Reach	248 in 6297 mm
Track Belt/Shoe Width	18 in 450 mm
Boom Swing - Left	0 ° 0 °
O/A Track Width	87 in 2200 mm
Cab Height	100 in 2534 mm
Maximum Dump Clearance	208 in 5293 mm
Swing Bearing - Height	30 in 756 mm
Dig Depth	162 in 4107 mm
Maximum Blade Depth	16 in 414 mm
O/A Undercarriage Length	109 in 1760 mm
Boom Swing - Right	0 ° 0 °
Tail Swing without Counterweight	71 in 1800 mm
Transport Height	101 in 2558 mm
Vertical Wall	142 in 3604 mm
Stick Length	66 in 1665 mm
Tail Swing with Extra Counterweight	79 in 1995 mm

Service Refill Capacities

Fuel Tank	38 gal (US) 145 l
Engine Oil	2.5 gal (US) 9.5 l
Hydraulic Tank	14 gal (US) 53 l
Cooling System	2.6 gal (US) 10 l
Hydraulic System	27 gal (US) 104 l

Hydraulic System

Digging Force - Stick - Standard	8504 lb 37.8 kN
Auxiliary Circuit - Secondary - Pressure	4134 psi 285 bar
Digging Force - Stick - Long	7579 lb 33.7 kN
Auxiliary Circuit - Secondary - Flow	9 gpm 33 L/min
Operating Pressure - Swing	3626 psi 250 bar
Auxiliary Circuit - Primary - Pressure	4134 psi 285 bar
Pump Flow at 2,400 rpm	44 gpm 167 L/min
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment	4134 psi 285 bar
Operating Pressure - Travel	4134 psi 285 bar
Auxiliary Circuit - Primary - Flow	35 gpm 131 L/min
Digging Force - Bucket	12272 lb 54.6 kN

Certification - Cab

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

Weight Increase from Minimum Configuration

Steel Tracks with Pads	661 lb 300 kg
Blade	734 lb 333 kg
Extra Counterweight	551 lb 250 kg
Long Stick	146 lb 66 kg
Counterweight	552 lb 250 kg

Dimensions - Long Stick

Tail Swing with Counterweight	78.5 in 1995 mm
Boom Swing - Right	0 ° 0 °
Width over Upper House	88.6 in 2250 mm
Boom Swing - Left	0 ° 0 °

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 â€œ2000/14/ECâ€ European Union Directive â€œ2000/14/ECâ€

Swing System

Machine Swing Speed

10 r/min 10 r/min

307.5 Standard Equipment

ENGINE

Automatic Swing Brake

Automatic Engine Shutdown

Automatic Engine Idle

Cat C2.4 Diesel Engine (China Nonroad Stage III) – Mechanical Engine, Turbo

Fuel Water Separator with Indicator

Automatic Two Speed Travel

Radial Seal – Double Element Air Filter

Extended Life Coolant, –37° C

HYDRAULICS

Power On Demand

Variable Displacement Piston Pump

Smart Tech Electronic Pump

Hydro Advanced Hydraulic Oil

Hydraulic Temperature Monitoring

Load Sensing/Flow Sharing Hydraulics

Certified Accumulator

OPERATOR ENVIRONMENT

ROPS – ISO 12117-2:2008

Mounting Bosses for Top and Front Guards

Top Guard – ISO 10262:1998 (Level II)

Fabric, High Back, Suspension Seat

Literature Holder

LED Interior Light

Assisted Front Window Overhead Storage

Hydraulic Lockout Controls

Cup Holder

Control Pattern Changer

Color LCD Monitor
– Fuel Level and Coolant Temperature Gauges
– Maintenance and Machine Monitoring
– Performance and Machine Adjustments
– Numeric Security Code
– Multiple Languages
– Hour Meter with Wake Up Switch
– Jog Dial Control Interface