The Cat® 301.7 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
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Engine
Net Power
21.0 HP
15.7 kW
Engine Model
C1.1
C1.1
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Bore
3.0 in
77.0 mm
Note (2)
Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Stroke
3.2 in
81.0 mm
Displacement
69.0 in³
1.1 l
Note
Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Net power is tested per ISO 9249:2007 and 80/1269/EEC.
Note (1)
Engine power is tested per ISO 14396:2002.
Engine power is tested per ISO 14396:2002.
Gross Power - SAE J1995:2014
21.6 HP
16.1 kW
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
21.0 HP
15.7 kW
Weights
Operating Weight
4222.0 lb
1915.0 kg
Minimum Operating Weight with Canopy*
3946.0 lb
1790.0 kg
Maximum Operating Weight with Canopy**
4222.0 lb
1915.0 kg
Note (2)
**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
Note (1)
*Minimum Weight is based on rubber tracks, operator, expandable undercarriage and full fuel tank.
*Minimum Weight is based on rubber 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.
***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
EU: CE Plate Weight***
4167.0 lb
1890.0 kg
Dimensions - Long Stick
Dig Depth
100.0 in
2540.0 mm
Tail Swing
25.6 in
650.0 mm
O/A Shipping Height
90.6 in
2300.0 mm
Maximum Blade Height
10.6 in
270.0 mm
Minimum Ground Clearance Below Undercarriage
5.5 in
140.0 mm
O/A Undercarriage Length
62.6 in
1590.0 mm
Boom Height - Shipping Position
40.9 in
1040.0 mm
Maximum Dump Clearance
98.8 in
2510.0 mm
Track Belt/Shoe Width
9.1 in
230.0 mm
Maximum Dig Height
137.4 in
3490.0 mm
Track Width - Expanded
51.18 in
1300.0 mm
Maximum Reach - Ground Level
159.8 in
4060.0 mm
Swing Bearing - Height
17.4 in
442.0 mm
Boom Swing - Left
65.0 °
65.0 °
Stick Length
45.7 in
1160.0 mm
Vertical Wall
74.4 in
1890.0 mm
Track Width - Retracted
39.0 in
990.0 mm
Boom Swing - Right
50.0 °
50.0 °
Note
*Overall Shipping Length depends on blade position during shipment.
*Overall Shipping Length depends on blade position during shipment.
Maximum Reach
162.6 in
4130.0 mm
Boom In Reach
63.8 in
1620.0 mm
Overall Shipping Length*
141.3 in
3590.0 mm
Maximum Blade Depth
10.4 in
265.0 mm
Blade
Height
8.9 in
225.0 mm
Note
*Expanded – 1300 mm (51 in)
*Expanded – 1300 mm (51 in)
Width*
39.0 in
990.0 mm
Hydraulic System
Operating Pressure - Equipment
3553.4 psi
245.0 bar
Operating Pressure - Swing
2132.1 psi
147.0 bar
Digging Force - Stick - Standard
2135.7 lbf
9.5 kN
Pump Flow at 2,400 rpm
17.4 gal/min
66.0 l/min
Auxiliary Circuit - Primary - Pressure
3553.4 psi
245.0 bar
Digging Force - Bucket
3641.9 lbf
16.2 kN
Auxiliary Circuit - Secondary - Pressure
3553.4 psi
245.0 bar
Operating Pressure - Travel
3553.4 psi
245.0 bar
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow
3.7 gal/min
14.0 l/min
Auxiliary Circuit - Primary - Flow
8.7 gal/min
33.0 l/min
Digging Force - Stick - Long
1865.9 lbf
8.3 kN
Dimensions - Standard Stick
Track Belt/Shoe Width
9.1 in
230.0 mm
Overall Shipping Length*
142.5 in
3620.0 mm
Track Width - Expanded
51.18 in
1300.0 mm
O/A Undercarriage Length
62.6 in
1590.0 mm
Maximum Reach - Ground Level
153.5 in
3900.0 mm
Boom Height - Shipping Position
42.9 in
1090.0 mm
Boom Swing - Left
65.0 °
65.0 °
Maximum Reach
156.3 in
3970.0 mm
Maximum Blade Depth
10.4 in
265.0 mm
Dig Depth
92.5 in
2350.0 mm
Maximum Dump Clearance
96.5 in
2450.0 mm
Maximum Blade Height
10.6 in
270.0 mm
Tail Swing
25.6 in
650.0 mm
Boom In Reach
64.2 in
1630.0 mm
Minimum Ground Clearance Below Undercarriage
5.5 in
140.0 mm
O/A Shipping Height
90.6 in
2300.0 mm
Swing Bearing - Height
17.4 in
442.0 mm
Stick Length
37.8 in
960.0 mm
Vertical Wall
70.9 in
1800.0 mm
Boom Swing - Right
50.0 °
50.0 °
Track Width - Retracted
39.0 in
990.0 mm
Maximum Dig Height
135.0 in
3430.0 mm
Note
*Overall Shipping Length depends on blade position during shipment.
*Overall Shipping Length depends on blade position during shipment.
Travel System
Maximum Traction Force - High Speed
2675.2 lbf
11.9 kN
Travel Speed - High
2.7 mile/h
4.4 km/h
Ground Pressure - Maximum Weight
4.4 psi
30.0 kPa
Travel Speed - Low
1.8 mile/h
2.9 km/h
Maximum Traction Force - Low Speed
4136.5 lbf
18.4 kN
Gradeability - Maximum
30 degrees
30 degrees
Ground Pressure - Minimum Weight
4.0 psi
27.9 kPa
Service Refill Capacities
Engine Oil
1.2 gal (US)
4.4 l
Hydraulic Tank
4.8 gal (US)
18.0 l
Fuel Tank
5.8 gal (US)
22.0 l
Cooling System
1.0 gal (US)
3.9 l
Hydraulic System
6.9 gal (US)
26.0 l
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
93.0 dB(A)
93.0 dB(A)
Note
European Union Directive “2000/14/EC”
European Union Directive “2000/14/EC”
Weight Increase from Minimum Configuration
Steel Tracks
110.0 lb
50.0 kg
Long Stick
22.0 lb
10.0 kg
Expandable Undercarriage
Standard
Standard
Heavy Counterweight
148.0 lb
67.0 kg
Swing System
Machine Swing Speed
9.8 r/min
9.8 r/min
Certification - Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
ISO 12117-2:2008
Top Guard
ISO 10262:1998 (Level I)
ISO 10262:1998 (Level I)
Tip Over Protective Structure (TOPS)
ISO 12117:1997
ISO 12117:1997