The Cat® 302 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Engine
Net Power
21 hp
Engine Model
C1.1
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
21 hp
Gross Power - SAE J1995:2014
21.6 hp
Bore
77 mm
Stroke
81 mm
Displacement
1.1 l
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (1)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Weights
Operating Weight
2262 kg
Minimum Operating Weight with Canopy*
1918 kg
Maximum Operating Weight with Canopy**
2081 kg
Minimum Operating Weight with Cab*
2057 kW
Maximum Operating Weight with Cab**
2262 kg
EU: CE Plate Weight with Canopy***
2045 kg
EU: CE Plate Weight with Cab***
2140 kg
Note (1)
*Minimum Weight is based on rubber tracks, operator, fixed undercarriage and full fuel tank.
Note (2)
**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
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.
Weight Increase from Minimum Configuration
Long Stick
8 kg
Steel Tracks
60 kg
Expandable Undercarriage
96 kg
Travel System
Travel Speed - High
4.4 km/h
Travel Speed - Low
2.9 km/h
Maximum Traction Force - High Speed
13.2 kN
Maximum Traction Force - Low Speed
20 kN
Ground Pressure - Minimum Weight
23.7 kPa
Ground Pressure - Maximum Weight
26.8 kPa
Gradeability - Maximum
30 degrees
Service Refill Capacities
Cooling System
3.9 l
Engine Oil
4.4 l
Fuel Tank
26 l
Hydraulic Tank
18 l
Hydraulic System
26 l
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
66 L/min
Operating Pressure - Equipment
245 bar
Operating Pressure - Travel
245 bar
Operating Pressure - Swing
147 bar
Auxiliary Circuit - Primary - Flow
33 L/min
Auxiliary Circuit - Primary - Pressure
245 bar
Auxiliary Circuit - Secondary - Flow
14 L/min
Auxiliary Circuit - Secondary - Pressure
245 bar
Digging Force - Stick - Standard
11.3 kN
Digging Force - Stick - Long
9.8 kN
Digging Force - Bucket
19.6 kN
Swing System
Machine Swing Speed
9.8 r/min
Blade
Width*
1090 mm
Height
225 mm
Note
*Expanded – 1400 mm (55 in)
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level I)
Dimensions - Standard Stick
Dig Depth
2370 mm
Vertical Wall
1850 mm
Maximum Reach - Ground Level
4040 mm
Maximum Reach
4110 mm
Maximum Dig Height
3550 mm
Maximum Dump Clearance
2560 mm
Boom In Reach
1660 mm
Tail Swing
750 mm
Maximum Blade Height
285 mm
Maximum Blade Depth
295 mm
Boom Height - Shipping Position
1070 mm
O/A Shipping Height
2300 mm
Swing Bearing - Height
442 mm
O/A Undercarriage Length
1850 mm
Overall Shipping Length*
3900 mm
Boom Swing - Right
50 °
Boom Swing - Left
65 °
Track Belt/Shoe Width
250 mm
Track Width - Retracted
1090 mm
Track Width - Expanded
1400 mm
Minimum Ground Clearance Below Undercarriage
150 mm
Stick Length
960 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Dimensions - Long Stick
Dig Depth
2570 mm
Vertical Wall
1940 mm
Maximum Reach - Ground Level
4210 mm
Maximum Reach
4270 mm
Maximum Dig Height
3620 mm
Maximum Dump Clearance
2640 mm
Boom In Reach
1660 mm
Tail Swing
750 mm
Maximum Blade Height
285 mm
Maximum Blade Depth
295 mm
Boom Height - Shipping Position
1020 mm
O/A Shipping Height
2300 mm
Swing Bearing - Height
442 mm
O/A Undercarriage Length
1850 mm
Boom Swing - Right
50 °
Overall Shipping Length*
3880 mm
Boom Swing - Left
65 °
Track Belt/Shoe Width
250 mm
Track Width - Retracted
1090 mm
Track Width - Expanded
1400 mm
Minimum Ground Clearance Below Undercarriage
150 mm
Stick Length
1160 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).