307.5 Mini Hydraulic Excavator

Overview

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.

Cat Exclusives in a Mini Excavator

with improved fuel efficiency and longer service intervals

with customizable operator settings and improvements in lift, swing, travel and multifunction

Net Power	54.8 hp
Displacement	148 in³
Gross Power - SAE J1995:2014	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
Engine Model	Cat C2.4 Turbo

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.

Dig Depth	182.8 in
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
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.

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

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 gpm
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 gpm
Maximum Auxiliary Circuit - Secondary - Pressure at Pump	4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump	35 gpm
Maximum Auxiliary Circuit - Primary - Pressure at Pump	4134 psi

Machine Swing Speed	10 r/min

Height	17 in
Width	90 in

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

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	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.

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.