305 CR Mini Hydraulic Excavator

305 CR Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

4 Industry First Features

Cat Exclusives in a Mini Excavator
Up to 10% Lower Total Ownership Costs

with extended service intervals, lower repair costs and easy service access
Up to 20% More Performance

in lifting, digging and multi-function capability

Bore	3.3 in
Displacement	101 in³
Emissions	The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Engine Model	C1.7 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014	48.4 hp
Net Power	45 hp
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC	45 hp
Note	Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Stroke	3.9 in

Maximum Operating Weight with Cab**	12688 lb
Maximum Operating Weight with Canopy**	12469 lb
Minimum Operating Weight with Cab*	11234 lb
Minimum Operating Weight with Canopy*	11016 lb
Note (1)	*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Note (2)	**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Operating Weight	12688 lb

Boom Height - Shipping Position	74.6 in
Boom In Reach	101.6 in
Boom Swing - Left	615 mm
Boom Swing - Right	34.1 °
Dig Depth	144.5 in
Ground Clearance	13.2 in
Maximum Blade Depth	23.4 in
Maximum Blade Height	15.2 in
Maximum Dig Height	210.8 in
Maximum Dump Clearance	151.4 in
Maximum Reach	235.8 in
Maximum Reach - Ground Level	229.7 in
Note	*Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height	100.4 in
O/A Undercarriage Length	101.6 in
Overall Shipping Length*	210.2 in
Stick Length	63 in
Swing Bearing - Height	24.4 in
Tail Swing with Counterweight	47.2 in
Tail Swing without Counterweight	43.1 in
Track Belt/Shoe Width	15.7 in
Track Width	78 in
Vertical Wall	100.8 in

Boom Height - Shipping Position	71.7 in
Boom In Reach	101.2 in
Boom Swing - Left	24.2 °
Boom Swing - Right	34.1 °
Dig Depth	134.6 in
Ground Clearance	13.2 in
Maximum Blade Depth	23.4 in
Maximum Blade Height	15.2 in
Maximum Dig Height	205.3 in
Maximum Dump Clearance	145.7 in
Maximum Reach	226.6 in
Maximum Reach - Ground Level	220.1 in
Note	*Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height	100.4 in
O/A Undercarriage Length	101.6 in
Overall Shipping Length*	208.9 in
Stick Length	53.2 in
Swing Bearing - Height	24.4 in
Tail Swing with Counterweight	47.2 in
Tail Swing without Counterweight	43.1 in
Track Belt/Shoe Width	15.7 in
Vertical Wall	91.9 in

Gradeability - Maximum	30 degrees
Ground Pressure - Maximum Weight	4.7 psi
Ground Pressure - Minimum Weight	4 psi
Maximum Traction Force - High Speed	5553 lbf
Maximum Traction Force - Low Speed	11353 lbf
Travel Speed - High	3.1 mile/h
Travel Speed - Low	1.7 mile/h

Average Exterior Sound Pressure (ISO 6395:2008)	97 dB(A)
Note	The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. *The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
Operator Sound Pressure (ISO 6396:2008)	76 dB(A)

Auxiliary Circuit - Primary - Flow	21 gal/min
Auxiliary Circuit - Primary - Pressure	3843 psi
Auxiliary Circuit - Secondary - Flow	7 gal/min
Auxiliary Circuit - Secondary - Pressure	3843 psi
Digging Force - Bucket	11061 lbf
Digging Force - Stick - Long	5665 lbf
Digging Force - Stick - Standard	6362 lbf
Note	Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment	3843 psi
Operating Pressure - Swing	2901 psi
Operating Pressure - Travel	3843 psi
Pump Flow at 2,400 rpm	35 gal/min
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump