Cat 307.5

Mini Excavators

About the Cat 307.5

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.

Specifications

Engine

Engine Model	Cat C2.4 Turbo
Net Power	54.8 HP
Displacement	148 in³
Gross Power - SAE J1995	57.9 HP
Bore	3.4 in
Stroke	4 in
Rated Net Power - 2,400 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269	54.8 HP

Weights

Operating Weight	17905 lb
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
Minimum Operating Weight with Cab*	16549 lb
Note (1)	*Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, standard stick, blade and no bucket.

Weight Increase from Minimum Configuration

Long Stick	181 lb
Counterweight	552 lb
Steel Tracks with Pads	628 lb

Travel System

Maximum Traction Force - Low Speed	14035 lb
Maximum Traction Force - High Speed	5856 lb
Travel Speed - High	3.1 mile/h
Ground Pressure - Maximum Weight	5.5 psi
Travel Speed - Low	1.9 mile/h
Gradeability - Maximum	30 degrees
Ground Pressure - Minimum Weight	5.1 psi

Service Refill Capacities

Cooling System	2.6 gal (US)
Hydraulic System	29 gal (US)
Hydraulic Tank	14 gal (US)
Fuel Tank	38 gal (US)
Engine Oil	2.5 gal (US)

Hydraulic System

Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing	3626 psi
Note	Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Pump Flow at 2,400 rpm	44 gal/min
Digging Force - Stick - Standard	8504 lb
Operating Pressure - Travel	4134 psi
Operating Pressure - Equipment	4134 psi
Digging Force - Stick - Long	7579 lb
Digging Force - Bucket	12272 lb
Maximum Auxiliary Circuit - Secondary - Flow at Pump	9 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump	4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump	35 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump	4134 psi

Swing System

Machine Swing Speed

10 r/min

Blade

Height	17 in
Width	90 in

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

Sound

Operator Sound Pressure (ISO 6396:2008)	72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)	98 dB(A)
Note	European Union Directive “2000/14/EC”

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.

Dimensions - Standard Stick

Tail Swing with Counterweight	76 in
Vertical Wall	141.6 in
Tail Swing without Counterweight	70.9 in
Stick Length	65.6 in
Boom In Reach	66.2 in
Track Belt/Shoe Width	17.7 in
Ground Clearance	14.6 in
O/A Track Width	86.6 in
Maximum Reach - Ground Level	242.1 in
O/A Undercarriage Length	108.7 in
Width over Upper House	88.6 in
Maximum Reach	247.9 in
Swing Bearing - Height	29.7 in
Maximum Blade Height	14.6 in
Maximum Blade Depth	16 in
Dig Depth	161.4 in
Maximum Dump Clearance	208.6 in
Cab Height	100 in
Maximum Dig Height	289.3 in
Height - Boom Working - With Tools	107.5 in
Overall Shipping Length - with Counterweight	245.3 in
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
Height - Boom Transport - No Tools	101.2 in
Note (1)	Boom Height when stick is pinned in transport position with no attachments.

Dimensions - Long Stick

Cab Height	100 in
Maximum Blade Height	14.6 in
Track Belt/Shoe Width	17.7 in
Maximum Dump Clearance	225.1 in
O/A Undercarriage Length	108.7 in
O/A Track Width	86.6 in
Dig Depth	182.8 in
Vertical Wall	161.9 in
Width over Upper House	88.6 in
Boom In Reach	88.6 in
Stick Length	86.9 in
Tail Swing with Counterweight	76 in
Maximum Reach	267.9 in
Ground Clearance	14.6 in
Swing Bearing - Height	29.7 in
Tail Swing without Counterweight	70.9 in
Maximum Dig Height	305.7 in
Maximum Blade Depth	16 in
Maximum Reach - Ground Level	262.6 in
Height - Boom Transport - No Tools	100.4 in
Overall Shipping Length - without Counterweight	240.9 in
Overall Shipping Length - with Counterweight	246.1 in
Note (1)	Boom Height when stick is pinned in transport position with no attachments.
Height - Boom Working - With Tools	124 in
Note (2)	Boom Height when stick is pinned in working position with attachments.

Features

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.