307.5 Mini Hydraulic Excavator

307.5 Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

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More Comfort – More Performance – More Versatility

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

Engine

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

Weights

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.
Note (2)	**Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Operating Weight	17905 lb

Dimensions - Long Stick

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

Weight Increase from Minimum Configuration

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

Travel System

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

Service Refill Capacities

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

Hydraulic System

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

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
Tip Over Protective Structure (TOPS)	ISO 12117:1997
Top Guard	ISO 10262:1998 (Level I)

Sound

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

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

Boom In Reach	66.2 in
Cab Height	100 in
Dig Depth	161.4 in
Ground Clearance	14.6 in
Height - Boom Transport - No Tools	101.2 in
Height - Boom Working - With Tools	107.5 in
Maximum Blade Depth	16 in
Maximum Blade Height	14.6 in
Maximum Dig Height	289.3 in
Maximum Dump Clearance	208.6 in
Maximum Reach	247.9 in
Maximum Reach - Ground Level	242.1 in
Note (1)	Boom Height when stick is pinned in transport position with no attachments.
Note (2)	Boom Height when stick is pinned in working position with attachments. Standard Stick offers only one pin position.
O/A Track Width	86.6 in
O/A Undercarriage Length	108.7 in
Overall Shipping Length - with Counterweight	245.3 in
Overall Shipping Length - without Counterweight	240.2 in
Stick Length	65.6 in
Swing Bearing - Height	29.7 in
Tail Swing with Counterweight	76 in
Tail Swing without Counterweight	70.9 in
Track Belt/Shoe Width	17.7 in
Vertical Wall	141.6 in
Width over Upper House	88.6 in