303 CR Mini Hydraulic Excavator

Overview

The Cat^® 303 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Cat Exclusives in a Mini Excavator

with more common parts, lower repair costs and tilt up cab

with programmable operator settings and faster cyle times

Net Power	23.6 hp
Engine Model	C1.1 Turbo
Bore	3 in
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC	23.6 hp
Emissions	Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Stroke	3.2 in
Note	Advertised power is tested per the specified standard in effect at the time of manufacture.
Displacement	69 in³
Gross Power - 2,400 rpm - SAE J1995:2014	24.7 hp

Operating Weight	7817 lb
Note (1)	*Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight.
EU: CE Plate Weight with Canopy***	6791 lb
Minimum Operating Weight with Canopy*	6670 lb
Minimum Operating Weight with Cab*	6924 lb
Note (3)	***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Maximum Operating Weight with Canopy**	7552 lb
EU: CE Plate Weight with Cab***	7012 lb
Maximum Operating Weight with Cab**	7817 lb
Note (2)	**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight.

Dig Depth	116.1 in
Boom Height - Shipping Position	75.6 in
Tail Swing with Counterweight	35 in
Track Belt/Shoe Width	11.8 in
Maximum Reach	206.3 in
Boom In Reach	74.2 in
Boom Swing - Right	34.3 in
Tail Swing	33.3 in
Maximum Dump Clearance	130.3 in
Ground Clearance	12.2 in
O/A Undercarriage Length	81.5 in
O/A Shipping Height	97.6 in
Track Width - Expanded	61 in
Maximum Blade Depth	21.1 in
Maximum Reach - Ground Level	201.2 in
Stick Length	61.4 in
Overall Shipping Length*	179.5 in
Maximum Dig Height	183.1 in
Swing Bearing - Height	22.4 in
Note	*Overall Shipping Length depends on blade position during shipment.
Tail Swing without Counterweight	30.5 in
Maximum Blade Height	15.2 in
Boom Swing - Left	25.2 in
Vertical Wall	81.5 in

Height	13.8 in
Width	61 in

Maximum Blade Depth	21.1 in
Tail Swing without Counterweight	30.5 in
Maximum Dig Height	177.6 in
O/A Undercarriage Length	81.5 in
Boom Height - Shipping Position	63 in
Vertical Wall	71.7 in
Overall Shipping Length*	177.6 in
Boom Swing - Left	25.2 in
O/A Shipping Height	97.6 in
Track Shoe Width	61 in
Boom Swing - Right	34.3 in
Tail Swing with Extra Counterweight	35 in
Swing Bearing - Height	22.4 in
Tail Swing	33.3 in
Maximum Blade Height	15.2 in
Dig Depth	104.3 in
Maximum Dump Clearance	124.8 in
Maximum Reach - Ground Level	190.2 in
Maximum Reach	196.1 in
Ground Clearance	12.2 in
Track Belt/Shoe Width	11.8 in
Boom In Reach	68.9 in
Stick Length	49.6 in
Note	*Overall Shipping Length depends on blade position during shipment.

Average Exterior Sound Pressure (ISO 6395:2008)	94 dB(A)
Operator Sound Pressure (ISO 6396:2008)	78 dB(A)
Note	European Union Directive “2000/14/EC”

Auxiliary Circuit - Primary - Flow	17 gpm
Auxiliary Circuit - Secondary - Pressure	3553 psi
Operating Pressure - Swing	2553 psi
Pump Flow at 2,400 rpm	26 gpm
Type	Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Standard	3732 lbf
Operating Pressure - Travel	3553 psi
Digging Force - Bucket	6385 lbf
Operating Pressure - Equipment	3553 psi
Auxiliary Circuit - Primary - Pressure	3553 psi
Auxiliary Circuit - Secondary - Flow	7 gpm
Digging Force - Stick - Long	3327 lbf
Note	* Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Gradeability - Maximum	30 degrees
Ground Pressure - Maximum Weight	4.7 psi
Ground Pressure - Minimum Weight	4 psi
Travel Speed - High	2.8 mile/h
Maximum Traction Force - Low Speed	7059 lbf
Travel Speed - Low	1.6 mile/h
Maximum Traction Force - High Speed	3305 lbf